资源简介 无锡市前洲中学2013届九年级10月反馈练习语文试题本试卷分试题和答题卷两部分,所有答案一律写在答题卷上。考试时间为150分钟。试卷满分为130分。一、语言积累与运用(共15分)1.下列各组词语中读音和书写全部正确的一项是 ( )(3分)A. 惬(qiàn)意 拾级而上 B. 姿雎(suì) 消声匿迹C. 精髓(suǐ ) 分道扬镳 D. 雀跃(qǜè) 不置保贬2. 对下列文段中加点词解释有误的一项是 ( )(3分)乃丹书帛曰“陈胜王”,置人所罾鱼腹中。卒买鱼烹食,得鱼腹中书,固以怪之矣。又间令吴广之次所旁丛祠中,夜篝火,狐鸣呼曰“大楚兴,陈胜王”。…… A.书:字条。 B.罾:用网捕。C.以:同“已”已经。 D.怪:对……感到奇怪。3.下列句子中没有语病的一项是( )(3分)A. 盛夏时节的太湖是个收获的季节。B. 真正地亲近自然,融入自然,这样,我们的情感就会更加丰富,我们的生活就会更加美好。C. 食品是否安全是人们身体健康的基本保障,所以食品生产企业要高度重视食品安全。D.最新调查表明,我国大约有72﹪左右的青少年认为“诚实守信”是做人的基本准则。4.下列句中加点的词语使用不正确的一项是( )(2分)A.温家宝在会见安南特使时指出:当务之急是保障叙利亚平民的生命安全,各方要立即停止行动。B.近年来,随着华裔青年林书豪奇迹般地崛起美国蓝坛,华裔“虎妈式”教育再次成为社会热议焦点。C.2012年预期房价将有所回落,但总体降幅不会很大,人们希望的一触即发的情景是不会出现的。D.中方再次敦促菲律宾切实尊重中国的领土主权,停止一切挑衅,拿出诚意与中方进行认真的外交对话。5.依次填入下面横线上的语句,顺序最恰当的一项是( )(2分)我一直认为,在这个世界上, 。①最有价值的,是恬淡宁静的心和丰富无悔的回忆,②最温暖的,是纯洁无瑕的真挚感情;③而所有这一切的拥有,都需要用善良、单纯做底色。④最悦目的,是纤尘未染的青山绿水;A.④②③① B.①②④③ C.②④③① D.④②①③6.对下面这段话的理解不正确的一项是( )(2分)音乐大师贝多芬32岁时耳突然聋了。当时,他心情痛苦,绝望至极,甚至一度产生过自杀的念头,还写过遗书。但他并没有自杀,反而以更大的勇气和毅力克服了困难,完成了《英雄交响曲》、《田园交响曲》等伟大创作。他的最后一部杰作《第九交响曲》是在他的听觉完全丧失以后完成的。A. 逆境能使人发奋图强。 B. 战胜自己,就是强者C. 人要经得起困难的考验 D. 最杰出的作品往往是在生命的最后时刻完成的。二、阅读分析(共49分)(一)(12分)蒙恬者,其先齐人也。恬大父蒙骜,自齐事秦昭王,官至上卿。骜子曰武,武子曰恬。恬尝书狱典文学。始皇二十三年,蒙武为秦裨将军,与王翦攻楚,大破之,杀项燕。二十四年,蒙武攻楚,虏楚王。蒙恬弟毅。 始皇二十六年,蒙恬因家世得为秦将,攻齐,大破之,拜为内史。秦已并天下,乃使蒙恬将三十万众北逐戎狄,收河南。筑长城,因地形,用制险塞,起临洮,至辽东,延袤万余里。于是渡河,据阳山,逶蛇而北。暴师于外十余年,居上郡。是时蒙恬威振匈奴。始皇甚尊宠蒙氏,信任贤之。而亲近蒙毅,位至上卿,出则参乘,入则御前。恬任外事而毅常为内谋,名为忠信,故虽诸将相莫敢与之争焉。7.下列句中的“之”和“故虽诸将相莫敢与之争焉”中“之”的意义和用法相同的一项是(2分)( )A.怅恨久之 B.楚人怜之C.何陋之有 D.辍耕之垄上8.下面关于本语段内容表述有误的一项是(2分)( )A. 蒙恬的先辈是齐国人,在其祖父这一辈才从齐国到秦国去的。B. 蒙恬早年并非是将军,后来由于出身将门做了秦国的将军。C. 秦始皇非常推崇蒙氏一族,对蒙恬和他的弟弟蒙毅都很信任。D. 蒙恬和他的士兵曾在外东征西讨了十余年,最后才在上郡安定下来。9.解释下列句中加点的词(4分)①自齐事秦昭王 事: ②大破之 破:③据阳山,逶蛇而北 北: ④信任贤之 贤:10.翻译下列句子(4分)(1)蒙恬者,其先齐人也。(2分)翻译:(2)乃使蒙恬将三十万众北逐戎狄。(2分)翻译:(二)移家别湖上亭 【唐】戎昱 (3分)好是春风湖上亭,柳条藤蔓系离情。 黄莺久住浑相识,欲别频啼四五声。11. 阅读上面的诗歌,然后回答问题。(1)诗人用一个“系”字写出了柳条藤蔓怎样的特点?(1分)(2)诗歌体现了诗人怎样的思想情感?(2分)__(三)(6分)①现在,我们都应该清醒地认识到,对石油过分依赖,会让国家安全、经济安全及环境安全遭受威胁。但文明不能因此停下前进的步伐,我们必须找到新的能源来保障世界运输系统的顺利运转。以非粮原料或农业废弃物为原料转化的液态燃料——纤维素生物燃料有利于环境安全,技术可行性强,近期内最有希望替代传统化石能源。②生物燃料可以用植物或植物制品为原材料。目前,第一代生物燃料以可食用作物为原料,主要包括玉米、大豆(美国)、甘蔗(巴西)。用可食用作物制造生物燃料是最简单可行的,因为把这些可食用作物转化为燃料的技术是现成的。然而,第一代生物燃料并非长久之计,原因很简单:没有足够的耕地能够满足发达国家10%的液态燃油原料需求。 ③第二代生物燃料主要以纤维素质材料为原料,如富含纤维素、生长迅速的草本植物,可转化为草油的原料有很多,从木材废料(锯木屑、木质建筑残片)到农业废弃物(玉米秸秆、小麦茎秆),再到“能源作物”(生长迅速、纤维含量高、专门种植用作草油原料的草本和木本植物)。这些原料作物耕作成本低、量大,更关键的是,这些作物的种植生产不会干扰和危及粮食生产。大多数能源作物能够在不能用作农田的边际土地上快速生长。还有一些能够在被废水或者重金属污染的土壤中生长并净化土壤,如生长周期较短的灌木柳树。④纤维素类植物生物质(指某一系统中全部或特定的生物总量)丰富,能够可持续地收获,来制造生物燃料。美国农业部和能源部的研究显示,在不减少作为人类食物、动物饲料及出口生物质份额的前提下,美国每年能够生产13亿吨(干重)生物质。如此大量的生物质每年至少能够产生1,000亿加仑(约3,790亿升)草油,大约相当于每年美国汽油、柴油消耗总量的一半。放眼全球,每年纤维素类生物质生产量能够转化的生物燃料相当于340亿~1,600亿桶原油,已经超过了目前全球每年30亿桶原油的消耗量。纤维素类生物质能够转化成任何类型的燃料,如乙醇、普通汽油、柴油,甚至航空燃油。⑤人类历史上的能源新纪元──草油时代也许很快就要到来。12.第二代生物燃料的优势是什么?(2分)答:13.选文第②段中加点词“主要”能否删去?为什么?(2分)答:14.说说选文第④段划线句子使用的说明方法及作用。(2分)答:(四)有所畏惧(5分)郭庆晨 ①在对待“畏惧”的问题上,一直有两种说法,一种是 “无所畏惧”,一种是“有所畏惧”。年轻的时候,听到的多是对无所畏惧的推崇,加之年轻气盛,便总有一种大无畏的劲头。待过了知天命之年,身上的锐气消减,有些事就不免畏首畏尾、怕这怕那。经历了这两种说法的打架,心里常常会困惑:是无所畏惧对,还是有所畏惧对?琢磨的结果是:人当有所畏惧。 ②自古以来,圣人们就明白这样的道理:人生在世,就需有所敬畏。也就是说,要秉持一些基本的原则和操守,知道哪些事情该做,哪些事情不该做。孔子就曾说过:“君子有三畏:畏天命,畏大人,畏圣人之言。小人不知天命而不畏也。”荀子则认为:“君子大心则敬天而道,小心则畏义而节”;“小人则不然,大心则慢而暴,小心则淫而倾。”他们不但指明了敬畏的对象,而且把有无敬畏精神视为“君子”和“小人”的分界线。由此可见,有所敬畏对于人们在世上安身立命的重要程度。 ③有所畏惧能够使人严于律己、谨慎为官、堂堂做人。东汉杨震升任东莱太守,上任途中经过昌邑。昌邑县令王密是杨震荐举的官员。闻知恩公到来,王密带十斤黄金于夜晚前往馆驿拜访杨震。杨震不受。王密以为他故作客气,说:“夜幕无知者。”杨震来气了,反驳道:“天知、地知、你知、我知,怎说无知?”从此,“四知”便传为佳话,流传至今。 ④无所畏惧者往往过高地估计自己的能力,因有恃无恐而栽跟头,而且会栽得很惨。这其中,《三国演义》中几个人物的命运就很典型。比如何进。东汉末年,汉灵帝驾崩,大将军何进贵为国舅,又是辅政大臣,可谓权倾天下。这时,有人提醒他宦官张让、段珪等人(即“十常侍”)要谋反。可何进并不以为然,说:“吾掌天下之权,十常侍敢待如何?” 结果怎么样?时间不长,何进就身首异处了。杀他的人正是十常侍。这是恃权而无恐。 ⑤经验证明,与无所畏惧、有恃无恐相伴的,往往是失败;相反,倒是有所敬畏、自知自律常常与成功为伍。这是因为,无所敬畏的人不懂得人并不能主宰一切,需要敬重“神灵”、敬重自然、敬重百姓的道理。既然违背了客观规律,所谓的“无所畏惧”也就只能是盲目的“无畏”,顶多也就是蛮勇罢了。这跟真正意义上的“大无畏精神”实在是相去甚远,不能同日而语。15.本文的中心论点是什么?(3分)答:16.选文第③段主要运用了什么论证方法?有何作用?(2分)答:(五)凝望一棵开花的树(13分)王长敏①我在杂乱的、破旧的村庄,寂寞地走过漫长的雨季。将我年少时的眼光,从晦暗的日子里打捞出来的是一棵棵开花的树,它们以一串串卓然不俗的花擦亮了我的眼睛,也洗净了我的灵魂。②整个春天我仰望着天空,看一棵棵沉默不语的树正吐露芳香,我常在一棵树下站定,想探访一棵会开花的树的秘密,我惊奇一棵会开花的树:洋槐树的树皮,被四季的风雨雕刻成皱巴巴的脸,在这随处丛生,其貌不扬的树上,当一串串白白的、黄黄的、亮闪闪的花儿挂满枝头的时候,一个杂乱无章的村庄因此而变得诗意葱茏。那一串串的花朵上浅下暗,像盛满香料的杯子,清清的花香在春风里一次次掠过纯净,宽广的天空,让一个没有风景的村庄香飘四方。我蓦然发现一棵棵开花的树才是村庄的灵魂,一串串,一朵朵花才是树的灵魂。一棵开花的树多么遵守季节的秩序,每一个春天的到来,就把洁白的灵魂挂在树梢上,它们之所以选择了那样的高度,是为逃避一双肮脏的手掌,或低俗或恶俗的攻击 ③和一个村庄一样卑微的洋槐树、苦楝树、椿树、石榴树、梨树,它们和乡村的房屋,农舍,田野的庄稼一样保持着永久的沉默。但它们用芳醇的花香,或苦味的花香,向尘世表达出很智慧,很超脱的喜悦,我在整个春天被这浓郁的香气迷住了。我看见了生活里的大美和大雅。④我在书本垒砌的阶梯上爬行,一棵棵开花树站立成我精神的守望者,我是五月出生,和石榴花同期,我自信在我的生命里流淌着有志者事竟成的力量。也许被那时的贫穷,闭塞,落后,愚昧的乡村生活所苦。或被满地烂泥堆积的土路,破旧不堪的屋舍等杂乱无章的凄凉风景所伤,我逃跑般离开了村庄,一去再也没有回头,仿佛心有余悸对那个村庄再作回忆,我向往富足,自由,浪漫的城市生活。我在一本本书里寻找出路,在一门门学问中学下去,我掌握着先进实用的技术。我从一个单位调换到另一个单位,我认识许多该认识和不该认识的人,我看见了不该看见的东西,我认识了被物质欲望燃烧得忘却灵魂存在的男人和女人,看清了争名夺利者的丑陋灵魂,我被虚情假意的友情爱情蒙骗着。在夜深人静的时候,我看见了自己多么孤独的灵魂,心头涌动着无限抑郁的烦闷。我想关掉手机,关上防盗门离开人群过一段净心的生活,在红尘滚滚里这是不可能的,许多莫名其妙的流言将会把人淹死。⑤远离了故土,远离了那蓊蓊郁郁的开花的树,一个极度困惑,极度迷茫的时间段,我在一个不经意的日子听到了古筝,在一曲曲琴韵里寻找到了一片片苍苍的森林,梨花或洋槐花灼灼的白光正在阳光里复制我年少的梦。沉默不语的树啊,我蓦然发现万叶吟风的夏夜,一棵开花的树的语言就是古筝琴韵,我从小未曾见到的古筝,我一接触它竟无师自通地和它沟通了,像一见钟情的恋人。仿佛与树相伴的日子我就听懂这种音乐所表达的深沉的感情。在每一个酒醉的夜深人静,一曲曲古筝伴随我,洗涤了我心灵上的尘土。我自认为我是认真地、小心地一路走过来的,我已拥有许多知识和学问,其实我的纯洁的灵魂正不知不觉地被物欲抽走了。⑥当我开始把目光从城市的名枷利锁里收回,投入大自然的一棵自由开花的树,一棵开花的树的精神正注入我的思想,我的目光有了阳光和绿色可以停留,有了自由呼吸的纯净空气,我脱离了低俗的生活,我的目光和灵魂渐渐变得宽广而清澈。17.文章第(2)段中作者说“我惊奇一棵会开花的树”,“惊奇”的原因是什么?(2分)答:18.题目《凝望一棵会开花的树》中的“凝望”一词作何解释?表达了作者怎样的情感?(3分)答:19.请你从散文语言描写的角度来赏析文中画线的句子(4分)。答:20.“一棵开花的树的精神正注入我的思想”中的“精神”指什么?对我产生了怎样的影响?(4分)答:(六)(10分)21.根据课文默写(10分)(1) 关关雎鸠,在河之洲。 ,君子好逑。(2)愿将腰下剑, 。(3) ,正是河豚欲上时。(4)蒹葭苍苍 ,白露为霜。 ,在水一方。(5)羌笛何须怨杨柳, 。(6) ,望峰息心; ,窥谷忘反。(7)我想: ,无所谓无的。这正如地上的路; ,,也便成了路。三、表达与交流(共66分)(一)(6分)22. 有这样一位年轻人,大学毕业后,加入NBA,曾分别与金州勇士队和休斯顿火箭队签约,但只能作为替补上场。进入纽约尼克斯队后开始受到瞩目,成为首发球员,职业生涯头五场首发共得136分,为1974年之后NBA最佳,并当选NBA东部周最佳球员。他,就是林书豪,他的表现引起了全美乃至全球华人的极大关注,一时之间他成为家喻户晓的篮球明星。有人说,他的成功来自于坚持,有人说他的成功来自于机遇,也有人说他的成功来自于目标明确。作为中学生的你,认为一个人的成功最关键的是什么?请发表你的看法,100字左右。(二)(60分)23.作文题目:你是我的一本书要求:⑴请你联系自己的生活体验,写一篇不少于600字的记叙文。⑵文中不得出现真实的人名、校名。⑶书写工整,卷面整洁。九年级语文反馈练习答卷2012.10一、语言积累与运用(共15分,)1.(3分)( ) 2. (3分)( ) 3.(3分) ( )4.(2分)( ) 5. (2分)( ) 6.(2分) ( )二、阅读分析(共49分)(一)文言文阅读(12分)7.(2分)( ) 8. (2分) ( )9.(4分)(1)( ) (2)( ) (3)( ) (4)( )10. (1) (2分)(2) (2分)(二)诗歌赏析(3分)11.(1) (1分)(2) (2分)(三)(6分)12.(2分)13.(2分)14.(2分)(四)有所畏惧(5分)15. (2分)16.(3分)(五)凝望一棵开花的树(13分)17.(2分)18.(3分)19.(4分)20.(4分)(六)(10分)21.根据课文默写(10分)(1) (2)(3) (4)(5)(6)(7)三、表达与交流(共66分)(一)(6分)22. (5×20=100字)(二)(60分)23. 题目:你是我的一本书500600700800900九年级语文10月反馈练习答案(二)(3分)11.(1)用“系”字既切合柳条藤蔓修长柔软的特点,又写出了柳条藤蔓牵衣拉裾的动作。(写出长的特点即可。)(1分)(2)体现了诗人对故居一草一木依恋难舍的深厚情感。(2分)(五)(13分)17.(2分,意思对即给分)使其貌不扬的树变得美丽起来,让杂乱无章的村庄也因此而变得诗意葱茏。18.(3分,意思对即给分)“凝望”:集中目力远望(目不转睛的看)(1分),表达了作者对开花的树的惊奇、喜爱、赞美和敬重之情(2分,没有“敬重”的意思扣一分)19.(4分,意思对即给分)“像盛满香料的杯子”使用了比喻的修辞手法(1分),形象地写出了花香的浓郁(1分),“掠过”一词突出了花香随风飘散的情态,“一次次”则突出了香气之浓,花期之长(1分),全句表达了作者对开花的树的喜爱和赞美之情(1分)20.(4分,意思对即给分)精神:卑微、沉默、其貌不扬,但它们用花香,向尘世表达出很智慧、很超脱的喜悦(2分)。 影响:我脱离了低俗的生活,我的目光和灵魂渐渐变得宽广而清澈。(或:擦亮了我的眼睛,也洗净了我的灵魂。我看见了生活中的大美和大雅,洗涤了我心灵上的尘土)(2分)(六)21.略三、22. (6分)观点明确,条理清楚,语言精练、流畅,得6分。观点明确,条理清楚,语言通顺,得5分。有观点,条理较清楚,语言较通顺,得4分。23.作文切入分47分 无锡市前洲中学2013届九年级10月反馈练习英语试题一、 听力测试 ( 本大题共20 分,每小题1分 )第一节(共10小题)听下面10段短对话,每段对话后有一个小题,从题中A、B、C三个选项中选出最佳选项。听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话读两遍。( )1. Which is the man’s favourite animal A. B. C.( )2. What did Walter do yesterday A. B. C.( )3. What will people use in this city in ten years A. B. C.( )4. Where does Mary want to go this summer vacation A. B. C.( )5. When did the movie begin A. At 8:20. B. At 8: 30. C. At 8:50.( )6. Where does the conversation probably take place A. In a hospital. B. In the restaurant. C. In a meeting room.( )7. What subject does the woman like better A. Maths. B. Science. C. Both math and science.( )8. What will the woman do A. She will give the present back to the man.B. She will keep the present.C. She will buy the present for the man.( )9. How much is the red T-shirt A. $15. B. $20. C. $25.( )10. What do you know about Miss Anna A. She wasn’t angry at all.B. She didn’t say anything.C. She was so angry that she said a lot.第二节 听对话和短文回答问题你将听到两段对话和一篇短文,各听两遍。听每段对话或短文前,你将有时间阅读相关小题,每小题5秒钟;听完后,每小题你还有5秒钟的时间选出你认为最合适的备选答案。听第一段对话,回答第11-12小题。( )11. Why does the girl feel nervous before going to Switzerland A. Because she doesn’t know the language.B. Because she has never been abroad.C. Because she doesn’t know the culture there.( )12. What should the girl do if she goes to a party in Switzerland A. She can’t be late .B. She should buy a present.C. She should take some flowers .听第二段对话,回答第13-15小题。( )13. How does the woman feel after the long trip A. Very tired. B. OK. C. Quite sleepy.( )14. How long will it take them to get home A. A few minutes. B. About an hour. C. About two hours.( )15. Where may the conversation happen A. At the train station. B. At the airport. C. At the bus stop.听一篇短文,回答第16-20小题。( ) 16. Most thieves will save themselves by ________ when they are in trouble.A. running away B. killing people C. making up stories( ) 17. The shop owner caught the man who was trying to take away __________.A. some money B. a necklace C. a car( ) 18. At first the shop owner wanted to ________ when he caught the thief.A. call the police B. throw him out of the shop C. kill him( ) 19. Do you think the thief really wanted to buy the beautiful necklace A. Yes, because his wife liked it a lot.B. Yes, but he only wanted a cheaper one.C. No, he just made an excuse.( ) 20. What do you think the shop owner would feel when the thief asked for something cheaper A. He would feel very angry and would like to send him to the police station at once.B. He would feel sorry and went to get a cheaper necklace for him.C. he would feel worried because he didn’t have anything cheaper.二、单项填空(本大题共14分,每小题1分)( ) 21. —Have you seen __________ pen I left it here just now.—Is it ___________ yellow one I think I saw it somewhere.A. a, the B. the; the C. the; a D. a; a( )22. It’s crazy _____ little Tom _____ online for the whole weekend. How angry his mother is!A. for; chatting B. of; to chat C. about; to chat D. about; chatting( )23. Don’t worry. He is ____________ to take care of little Betty.A. enough carefully B. carefully enoughC. enough careful D. careful enough( )24. The shy girl was asked some questions by the teacher, but she answered _____ of them.A. all B. both C. none D. some( )25. —Would you mind_____________ over and having a look at your new garden —_____________. You’re welcome.A. me to come; Yes, I do B. me come ; Never mindC. my came ; Yes, please D. my coming; Not at all( )26. My friend Anna _____ text messages to me on the mobile phone. But now she _____ e-mails on QQ.A. is used to send; used to send B. is used to sending; used to sendC. used to send; is used to sending D. used to send; used to send( )27. I’d like to find _________ to read on the journey, and _________ will do.A. something; everything B. something; somethingC. anything; everything D. something; anything( )28. Young people usually____ city life to country life while old people _____ enjoy country life.A. would rather; prefer B. prefer; would ratherC. would rather; would rather D. prefer; prefer( )29. The little boy has __________ strange questions that nobody can answer all of them.A. so many B. so much C. such many D. such much( )30. They everything, so they each other from time to time.A. argue with; are angry with B. argue with; are angry toC. argue about; feel angry with D. argue about; don’t angry with( )31. I was told that Cai Lin and Wang Dong’s wedding _____ the morning of October1.A. was taken place; in B. takes place; on C. took place; on D. was happened; in( )32. — Helen, will you be at the party tonight — Yes, but I have so much homework to do that I really _____.A. can’t B. mustn’t C. won’t D. shouldn’t( )33. My father finally gave up __________ two years ago because he had a bad cough. It wasn’t easy for him _____________.A. smoking, giving it up B. to smoke, to give it upC. smoking, to give it up D. smoking, to give up it( )34. —I’ll fly to Qingdao for my holiday this weekend.—Wonderful! __________A. Why not B. I hope so. C. With pleasure. D. Have a good time!三、完形填空 先通读下面的短文,掌握其大意, 然后在每小题所给的四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 (本大题共10分,每小题1分)Henry found a job on a bookstore after he finished middle school. He wouldn’t do anything but wanted to get __35__. Mr. King thought he was very lazy and was going to send him away. Henry was afraid and had to work hard.It was a __36__ morning. It was snowing and there was thin ice on the streets. __37__ people went to buy books and the young man had nothing to do. He hated reading, so he watched the __38__. Suddenly he saw a bag fall off a truck and it __39__ by the other side of the street.“It must be full of expensive things,” Henry said to himself. “ I have to get it, or others will take it away.”Henry went out of the shop and ran across the street. A driver __40__ him and began to whistle, but he didn’t __41__ it and went on running. The man drove to the side , __42__ a big tree and was hurt in the accident. Two weeks later Henry was taken to court(法庭). A judge (法官)asked if he heard the whistle when he was running __43__ the street. He said that something was wrong with his ears and he could hear nothing.“But you’ve heard me this time,” said the judge.“Oh, I’m sorry. Now I can hear you with one ear.”“__44__ the ear with your hand and listen to me with your deaf one. Well, can you hear me ” “No, I can’t, sir.”( )35. A. strong B. rich C. careful D. clever( )36. A. warm B. cool C. cold D. hot( )37. A. Few B. A few C. Many D. Some( )38. A. trucks B. roads C. traffic D. cars( )39. A. stolen B. broken C. landed D. found( )40. A. met B. hit C. shouted D. saw( )41. A. understand B. take C. listen D. hear( )42. A. planted B. fired C. drove D. hit( )43. A. through B. across C. along D. down( )44. A. Touch B. Feel C. Cover D. Press四.阅读理解 阅读下面的短文并选择最佳答案。(本大题共26分,每小题2分)(A)Harry Potter and the Deathly HallowsBy J. K. RowlingPaperback, 784 pages.Publisher: Arthur a Levine (07/07/2009)Reading level: Age: 9—12Price: $16.69 Deceptively DeliciousBy Jessica SeinfeldHardcover, 204 pages.Publisher (出版商): Collins (09/01/2007)Reading Level: ParentsPrice: $12.83Rich Dad, Poor DadBy Robert T. KiyosakiPaperback, 266 pagesPublisher: Business Plus (01/01/2010)Reading Level: Age 20—25Price: $5.59 The RoadBy Cormac McCarthyPaperback, 304 pages.Publisher: Vintage Books (09/11/2007)Reading Level: AdultsPrice: $5.50( )45. Which of the following books is the newest in print A. Rich Dad ,Poor Dad B. Deceptively DeliciousC. Harry Potter and the Deathly Hallows D .The Road( )46. Among the books, there is/are ______________ written for adults.A. one B. two C . three D. four( )47. We can learn from the form(图表) that _______________.A. J .K Rowling ’s book is the most expensive among the four books.B. Deceptively Delicious and The Road came out on the same day.C. The Road is the thinnest of the four.D. Rich Dad, Poor Dad is hardcover(精装本).(B)Once there was a piano player in a bar(酒吧). People came just to hear him play. But one night, a lady asked him to sing a song. “I don't sing,” said the man. But the lady told the waiter, ‘I'm tired of listening to the piano. I want the player to sing!’The waiter shouted across the room, ‘Hey, friend! If you want to get your money, sing a song!’So he did. He had never sung in public before. Now he was singing for the very first time! Nobody had ever heard the song Mona Lisa sung so beautifully!He had talent(天赋) he was sitting on! He may have lived the rest of his life as a no-name piano player in a no-name bar. But once he found, by accident (偶然), that he could sing well, he went on working hard and became one of the best-known singers in the US. His name was Nat King Cole.You, too, have skills and abilities. You may not feel that your talent is great, but it may be better than you think. With hard work, most skills can be improved. Besides, you may have no success at all if you just sit on your talent.( )48. The lady asked the player to sing a song because ______________.A. she had paid him for this B. she knew him very wellC. she wanted to have a change D. she enjoyed his singing( )49. Nat King Cole succeeded because ______________.A. the lady helped him a lot B. he caught the chanceC. he continued to play in the bar D. he stopped playing the piano( )50. From the story we know if you have some talent, you should ______________.A. hide it and wait B. ask others for helpC. pay no attention to it D. work hard to improve yourself(c)According to (根据) some researchers, you should not praise (赞美) children for everything that they do. It does not help them build self-confidence.Most parents and teachers agree that praise can help increase (增强) children’s self-confidence —the more, the better. However, some other researchers say that only proper praise is good for children. If adults praise everything children do, it makes children look for praise all the time, not trying to do their best. “Teachers should not say ‘Well done’ or ‘Nice work’ when a child does anything. They should encourage him or her to continue to improve,” some researchers advise.Another idea is that children with high self-confidence are happier, and they do better at school. About this, Marshall Duke, a researcher in children, says, “Self-confidence does not make children happier, get more, or become able to do more. Finding a child’s strengths (强项) and developing them help build confidence more than too much praise does. Praise will lose its effect if it is given equally to all students.”“It’s important to tell children the truth about what they’ve done. Honest feedback (反馈) is far better than empty praise,” Duke adds. “People have got into the habit of not telling children when they’re wrong. That makes it hard for them to deal with difficulties when they grow up. That’s just what the world is.”( )51. In order to build children’s self-confidence, some researchers advise parents to _________.A. make children live more happilyB. let their children do more difficult workC. help their children do better in schoolD. encourage their children to improve( )52. What fact does the passage lead you to believe A. Praise makes children become successful.B. Children with high self-confidence are happier than others.C. The same praise for all children has no meaning.D. Giving praise to children is more important than finding their strengths.( )53. What does the underlined word “it” in the third paragraph refer to (涉及) A. The effect. B. The praise. C. The strength. D. The confidence.(D)It’s well known that different foods provide us with different kinds of energy, and a balance of different kinds of food is good for our health. Here is a general introduction to the main food groups in our daily diet. Knowing about the different food groups can help us to keep healthy.Grains (谷物)Grains include all of those food made from wheat (小麦), rice and other grain products. These foods provide us with fiber (纤维) and iron. There are two main types of grains: whole grains and refined (精制的) grains. Refined grains are lower in fiber than whole grains. It is important to get different kinds of grains, such as those found in bread and rice.Vegetables and fruitsThis group includes all types of fruits and vegetables, which can provide us with vitamins that we need every day, including vitamins B and C. Try to eat brightly-coloured fruits and vegetables as they have more vitamins. It’s necessary for us to eat fruits and vegetables every day, or drink a glass of fruit juice instead.Meat productsThis group is mainly made up of meat and fish. These foods provide us with the protein (蛋白质) that our body needs. Try to eat about 170 to 200 grams of meat products every day so that we can get all the protein we need.Milk productsMilk products include milk and cheeses. They provide us with calcium (钙) and vitamin D. Try to eat or drink milk products every day, like a cup of milk, or 50 grams of cheese.( )54. What can we know about fruits A. Fruits with brighter colours are richer in vitamins.B. Fresh fruits have more vitamins than fruit juice.C. Fruits provide the same vitamins as milk products.D. There are only two kinds of vitamins in fruit.( )55. From the 4th paragraph, we can learn that ___________.A. meat products provide us with all kinds of energyB. meat products are rich in proteinC. meat products are made from refined grainsD. meat products are not a good choice if we want to keep healthy( )56. What is the passage mainly about A. It tells us how we can get enough energy in our daily diet.B. It talks about the importance of meat products in our diet.C. It introduces four different kinds of food groups.D. It gives a lot of advice on how to balance our diet.( )57. We would probably find this passage in ___________.A. a business newspaper B. a fashion magazineC. an advertising poster D. a health magazine第 Ⅱ 卷 ( 主观题,共40分)五、词汇运用 (本大题共8分,每小题1分)1. Keeping __ (日记)can help you remember things well.2. Are you ______________ (满意) with what he had done 3. The doctor _____________ (建议) him not to drink to much wine last week.4. The hotel has no _______________ (可获得的) rooms at present.5. We are proud that China has __ _ (success) sent up another spaceship into space.6. Give me your ___ (decide) now, stop playing for time, Tom!7. Can you help me find a few_______________(different) between the two pictures 8. After walking along the lake and enjoying the nice view there, she felt much __________.(relax)六、动词填空(本大题共8分,每小题1分)1. Over the past five years, those businessmen _______________( give ) thousands of dollars to charities.2. Grandfather was made _____ ( work ) over ten hours a day when he was young.3. Dr Ma ________ ( prefer) country life when he was old.4. When I found him in the reading room, he _____________ ( write ) something in his notebook.5. Travellers _____________( tell) that it’s wise to take a map and some food and drinks.6. If Mr. Wang cannot repair my old watch, I ___ ( buy ) a new one.7. Do you think he has any difficulty ________________( choose ) what course to study 8. _________ the bridge over the river ___________(build) in 1940 七、短文填空 先通读下面的短文,然后根据短文内容和所给首字母,在空格内填入一个适当的词,使短文意思完整。所填单词必须在答题卡标有题号的横线上完整写出。 (本大题共5分,每格0.5分)Water is a very important part of our environment. It is f________(1) covering nearly three quarters of the earth’s surface (表面). It is n_________ (2) for life. In fact, we can survive much l_________ (3) without food than without water to drink. Every l________ (4) thing needs water. Without it, plants and trees will not g________ (5), fish, dolphins and other aquatic (水中的) life will have nowhere to live, and some animals that find their food in the water will have nothing to eat. Water is also a p_________ (6) fact(因素)to keep the balance of nature.Do you know that most of the world’s people c________(7) get clean water directly(直接) The fresh water (淡水) in lakes and rivers for drinking, washing, cooking is now becoming much l________ (8). So it’s high time for us to take quick a________ (9) to protect water resource. We are very sad to live in a country where clean water is r________ (10) out from our taps. It is up to you to be responsible (负责任的) users of the clean water on the earth.八、完成句子(本大题共9分,每小题1.5分)1.Jim富有创造力, 能想出那么容易的方法。Jim is creative enough_______________________________ an easy way.2. 看这本书让我想起了自己的童年。__________________________________________ my own childhood.3. 想要获取成功,不轻易放弃是非常重要的。It’s important __________________________________if you want to have success.4. 这台打印机有什么问题吗?______________________________________ the printer 5. 我不知道他表哥花了多长时间写这篇文章。I don’t know _______________________________________ write the article.6. 跟看书相比,他更乐意去做实验。He ________________________________________________ read a book.九、书面表达(本大题共10分)假设你叫Tom,请你给班主任Mr. Hu写一封推荐信,推荐George当班长,信中须对George进行全面介绍,推荐信必须包含以下要点:要点:1. 有许多优秀的个人特质, 是班长最合适的人选;2. 勤奋, 成绩优秀;平时注重细节;3. 乐于助人,当别人生气时,George常帮助他们平静下来;4. 为人慷慨,每月向慈善机构捐零花钱;5. 做事有条理,能组织好各种班级活动。注意:1. 推荐信须包括所给内容要点,要求语句通顺,意思连贯;词数在80个左右;2. 推荐信的开头和结尾已给出,不计入总词数,请根据要求完成推荐信的剩余部分。Dear Mr. Hu,I am writing to recommend George as our monitor. I think George___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________I think George has all the qualities to be a good monitor. I hope you agree with me.Yours sincerely, Tom九年级英语反馈练习听力稿2012.10听力测试:(共20分)第一部分 听对话回答问题(10分)本部分共有10道小题,每小题你将听到一段对话,每段对话听两遍。在听每段对话前,你将有5秒钟的时间阅读题目;听完后,你还有5秒钟的时间选出你认为最合适的备选答案。1. W: Tom , What animals do you like M: I love many animals like elephants and penguins, but I like pandas best.2. W: Did you watch TV yesterday morning, Walter M: No, I didn’t. I went to buy some food for lunch.3. M: Will people use bikes or buses in this city in ten years W: Neither. They will use cars.4. M: Have you ever been to Shanghai, Mary W: No, never. But I want to go there this summer vacation.5.M: When did you arrive at the cinema W: At ten to nine. The film had been on for 30 minutes.6.W: Waiter, can we sit at the table by the window M: OK. This way, please.7.M: How do you like these subjects W: I prefer science to maths.8.M: Here’s a present for you. I’m sorry that it’s too late.W: Thank you all the same. Better later than never.9.M: How much is the red T-shirt W: The red T-shirt 50 dollars for two.10.W: Wasn’t Miss Anna angry M: Yes, she was too angry to say anything.第二部分 听对话和短文回答问题你将听到两段对话和一篇短文,各听两遍。听每段对话或短文前,你将有时间阅读相关小题,每小题5秒钟;听完后,每小题你还有5秒钟的时间选出你认为最合适的备选答案。听第一段对话,回答第11-12小题。W: I’m going to Switzerland, but I am a little nervous.M: Why are you nervous W: Because I don’t know the culture there.M: Take it easy!I’m glad to tell you what you should do. Above all , don’t be late! Being on time is very important there, because they care about time.W: I know their watches are very famous.M: I’d like to buy such a famous watch for my father as a Father’s Day present.W: That’s a nice idea.听第二段材料,回答16-20小题。M: Hi, grandma. It’s so good to see you again.W: Nice to see you, Jack.M: How is your flight W: Fine. It took me about ten hours to get here.M: That’s a long trip. You must be very tired.W: I’m OK. I slept all the way.M: Let’s go home. Our car is waiting outside.W: How long will it take to get home M: About two hours if the traffic is good.听一篇短文,回答第16-20小题。Not all the thieves are lucky enough to get what they want. Sometimes they will be unhappy if they are caught stealing by other people. Most thieves will save themselves by making up stories when they are in trouble. A small shop sold a lot of nice jewelry, and the owner was always careful to look after the things. One day when a thief came and tried to take a beautiful necklace, the owner of the shop caught him at once and went to call the police to come. “Please don’t do that!” the thief said. “I have a wife and three children at home. And I will pay for the necklace.” The owner of the shop felt sorry for the man and he didn’t want to have trouble with the police, so he agreed that the man should pay for the necklace. But when he gave the necklace to the thief and asked him to pay the money, the man looked surprised and said, “I don’t want to get anything as expensive as that. Do you have anything cheaper ”前洲中学九年级英语反馈练习卷答案 2012.10九、书面表达I am writing to recommend George as our monitor. I think George will be an excellent monitor because he has many good personal qualities. He is the most suitable person for the post. George is hard-working. He always gets good marks in tests. He pays attention to details. He is helpful. George often helps others calm down when they are/ become angry. He is generous. Ever month he donates pocket money to charities. George is a creative person. George is also organized. He is able to organize all kinds of class activities well.I think George has all the qualities to be a good monitor. I hope you agree with me.Yours sincerely, Tom无锡市前洲中学2013届九年级10月反馈练习物理试题一、选择题(本题共12小题,每小题2分,共24分.每小题给出的四个选项中只有一个正确)1.下图1中属于费力杠杆的是2.学校升国旗的旗杆上有一滑轮,升旗时往下拉动绳子,国旗会上升,对于该滑轮,说法正确的是A.这是一个动滑轮,可省力 B.这是一个定滑轮,可省力C.这是一个动滑轮,可改变施力方向 D.这是一个定滑轮,可改变施力方向3.如图2所示的杠杆是平衡的,如果在支点左侧的钩码下方,再挂一只相同的钩码,要使杠杆重新平衡A. 在右侧的钩码下再加挂一只相同的钩码B. 将右侧的钩码往右移一格C. 将左侧的钩码往左移一格D. 将左侧的钩码往左移半格4.林雨将两只鸡蛋举高2米,所做的功最接近于A. 0.02 J B. 0.2 J C .2J D.20 J5.关于做功和功率的说法中正确的是( )A.有力作用在物体上,力—定对物体做功B.在光滑水平面上做匀速直线运动的物体,没有力做功C.物体受到的作用力越大,力对物体做功就越多D.力对物体做功越多,功率就越大6.用四只完全相同的滑轮和两根相同的绳子组成如图3所示的甲、乙两个滑轮组,不计绳子与滑轮的摩擦,则( )A.甲较省力且机械效率较高B.乙较省力且机械效率较高C.两个滑轮组省力程度不同,机械效率相同D.两个滑轮组省力程度相同,机械效率不同7.如图4所示,是甲乙两物体做功和所需时间的关系图象,由图可知 ( )A.P甲>P乙 B.P甲8.甲、乙两台机器,甲做的功是乙做的功的2倍,而乙所用的时间是甲所用的时间的2倍,则甲、乙两台机器的功率关系是 ( )A.P甲:P乙=4:1 B.P甲:P乙=1:4.C.P甲:P乙=2:1; D.P甲:P乙=1:19.一个工人用如图5所示的滑轮组提起2000N的货物,所用的拉力是800N,绳子自由端被拉下4m,下面说法正确的是( )A.总功是3200J,效率是40% B.有用功是8000J,效率是40% C.有用功是3200J,效率是62.5%D.总功是3200J,效率是62.5%10.我们小时候都玩过秋千吧,闭上眼睛,那种时高时低的感觉如同在飞……,你知道其中能量的转化吗?对于图6中荡秋千的小孩,下列分析错误的是( )A.小孩在A点具有最大动能 B.小孩在B点势能最小C.小孩从B荡到C的过程中,动能转化为势能D.如果没有能量损失,他将一直荡下去11.假设一架战斗机正在空中某一高度做匀速飞行,另一架空中加油机给其加油,如图7所示,加油后战斗机仍以原来的高度和速度做匀速飞行,则战斗机的: ( )A.动能增加,势能减少,机械能不变B.动能不变,势能不变,机械能不变C.动能减少,势能不变,机械能减少D.动能增加,势能增加,机械能增加12.如图8所示,将同一物体分别沿光滑的斜面AB、AC以相同的速度从底部匀速拉到顶点A,已知AB>AC,施加的力分别为F1、F2,拉力做的功为W1、W2,拉力做功的功率分别为P1、P2,则下列判断中正确的是 ( ) )A.F1B.F1>F2 , W1>W2 , P1>P2C.F1D.F1P2二、填空题(每空1分,共24分)13.人们常用的镊子是一种杠杆。如图9所示,用镊子夹取物体时,手压在B处,则支点在 __________处,它是 杠杆(填“省力”、“费力”或“等臂”)。14.如图10所示,轻质杠杆OA的中点悬挂一重G=60N的物体,在A端施加一竖直向上的力F,杠杆在水平位置平衡,则F= N。保持F的方向不变,在将杠杆从A位置匀速提到B位置的过程中,力F将 (变大/不变/变小)15.在“5.12汶川地震”抢险救灾前线,一辆柳州市生产的装载机5s内将一块重20000N的巨石匀速举高3m,装载机的举力对巨石做功为__________J,举力做功的功率______W.16.某商场二楼到三楼的自动扶梯高度是4m扶梯长6m,赵然同学体重500N,自动扶梯把赵然同学从二楼运送到三楼的过程中对他做功_________J,如果要测算自动扶梯对他做的功率,还应该测量的物理量是_____________。17.物体温度升高,内能将 (填“增加”“不变”“减小”);当汽车散热器散热时,这是通过 _______方式改变了水的内能.18.如图11所示,某人站在高处用100N的拉力把重240N的物体提高1m,则人克服重力所做的有用功为_______J,总功为______________J,该滑轮组的机械效率为_______。19.如图12所示是列车上常用的手推车,车内货物均匀摆放.车前行时, 需经过障碍物.当车的前轮遇到障碍物A时,售货员向下按扶把,这时手推车可以视为杠杆,若手推车和货物总重200N,动力臂和阻力臂之比为2:3,则服务员作用在扶把上的动力为 N. 当后轮遇到障碍物A时,售货员竖直向上提扶把,这时支点是 (选填“A”、“B”或“C”)点,这种情况下,手推车可以视为 杠杆(选填“省力”或“费力”).20.如图13所示,用定滑轮和动滑轮分别将质量相同的甲、乙两物体匀速提升相同的高度,不计绳重与摩擦,且动滑轮重G动小于乙物体的物重G,则所用的拉力F甲 F乙(选填“大于”、“小于”或“等于”,下同),其机械效率η甲 η乙.21.用滑轮组到井下取水,第一次取半桶水,第二次取满桶水(摩擦不计)。两次比较: ______ (选填“大于”、“小于”或“等于”)22.将重物从长4m、高1m的斜面底部匀速推上斜面的顶端。已知沿斜面所用的推力是300N,斜面的机械效率是75℅,则推力做的总功为________J,推力做的有用功为_______J,物体所受的摩擦力为_________N。23.汽车匀速上坡时动能______,机械能_______。(填“变大”、“变小”或“不变” )三、解答题(本题共7大题,共32分.其中29、30题应写出必要的解题过程)24.如图14所示,用螺丝刀撬起图钉.请在图上画出螺丝刀受到图钉阻力F2的力臂;并画出作用在螺丝刀柄上A点的最小动力F1的示意图.25.如图15所示,杠杆在力F1、F2作用下处于平衡状态,L1为F1的力臂。请在图中作出F2的力臂L2及力F1。26.使用如图16所示的滑轮组提起重物G,你可以有几种绕线方法?请在图中画出来。27.在探究“杠杆的平衡条件”实验中,所用的实验器材有杠杆、支架、刻度尺、细线、质量相同的钩码若干。(1)将杠杆装在支架上,发现杠杆右端下沉,如果将杠杆右侧的平衡螺母向左调到头了,杠杆右端仍下沉,此时应将杠杆左侧的平衡螺母向_________调,直到杠杆在水平位置平衡为止。(2)某同学进行正确的实验操作后,得到的数据为F1=6N、l1=20cm、F2=4N和l2=30cm。该同学根据这些数据能否得出探究结论 _________。理由是:_____________________。(3)使杠杆在倾斜一定角度的位置做实验,也能得出杠杆平衡条件。这种实验方案与杠杆在水平位置做实验的方案相比较,你认为哪种实验方案好并说明理由:___________________________________________。(4)如图17所示,杠杆在水平位置平衡。如果在两侧钩码下再各挂一个相同的钩码,则杠杆_________端将下沉。28.右下图是探究动能大小与哪些因素有关的实验(1)实验中你通过观察 ___________知道动能的大小。(2)实验中为了使得铜球与钢球滚到水平面的速度相同,应该 。(3)图甲和丙探究的问题是。29.如图19所示,斜面长S=10m,高h=4m.用沿斜面方向的推力F,将一个重为100N的物体由斜面底端A匀速推到顶端B.运动过程中拉力F为50N.求:(1)运动过程中克服物体的重力做的功;(2)斜面的机械效率;(3)物体所受的摩擦力。30.在不计绳重和摩擦的情况下,利用一滑轮组匀速提升物体。下表是在利用该滑轮组将一物体匀速提升到一定高度时收集到的信息。物体所受的重力G/N 作用在绳子自由端的拉力F/N 滑轮组做的有用功W有用/J 拉力做的总功W总/J500 200 1000 1200通过计算确定该滑轮组提升问物体的绳子段数,并在右边虚线框中画出该滑轮组的组装示意图。用该滑轮将重为800N的物体匀速提升1m时,拉力做的总功为多少?参 考 答 案图3图4图5图7图8图11图13图17无锡市前洲中学2013届九年级10月反馈练习数学试题一、选择题:(每题3分,共24分)1、下列方程中,关于x的一元二次方程是……………………………………( )2、方程的解的情况是………………………………………( )(A)有两个不相等的实数根 (B)没有实数根(C)有两个相等的实数根 (D)有一个实数根3、用配方法解方程,则方程可变形为………………………( )A. B. C. D.4、关于x的一元二次方程(m-2)x2+(2m-1)x+m2-4=0的一个根是0,则m的值是………………………………………………………………………( )。A、2 B、-2 C、2或-2 D、5、下列说法正确的是…………………………………………………………………( )A.弦是直径 B.弧是半圆 C.半圆是弧 D.过圆心的线段是直径6、如图,AB是⊙O的直径,CD是⊙O的弦,连结AC、AD,若∠CAB=35°,则∠ADC的度数为…………………………………………( ).A.35° B.55° C.65° D.70°7、若、是一元二次方程的两个根,那么的值是( )A、-2 B、4 C、 D、-8、如图,菱形ABCD中,AB=2,∠A=120°,点P,Q,K分别为线段BC,CD,BD上的任意一点,则PK+QK的最小值为( ) A. 1 B. C. 2 D. +1二、填空题: (每空2分,共20分)9.在函数中,自变量x的取值范围是 .10.若方程mx2+3x-4=3x2是关于x的一元二次方程,则m的取值范围是 .11.方程x2=2x的解是12.如图,点A、B、C在圆O上,∠A=60°,则∠BOC = 度.13.已知方程的两根是,则 ,14. 小芳抛一枚硬币10次,有7次正面朝上,当她抛第11次时,正面向上的概率为 。15.若关于x的方程ax2+2(a+2)x+a=0有实数解,那么实数a的取值范围是 16.已知,则的值等于 。17.如图,点A、B、C、D在⊙O上,O点在∠D的内部,四边形OABC为平行四边形,则∠OAD+∠OCD=__ _°.18.如图,两个同心圆,大圆半径为5㎝,小圆的半径为3㎝,若大圆的弦AB与小圆相交,则弦AB的取值范围是 。三、解答题:19.(本题满分8分)计算:(1) (2)20.(本题满分16分)解方程:(1)(x+1)2-144=0 (2)(3) (4)21.若关于x的方程(1-k) 有两个不相等的实数根.求的取值范围.(5分)22.如图,已知AB和CD为⊙O的两条直径,弦CE∥AB,的度数为400,求∠BOD的度数。(5分)23、如图,△ABC内接于圆,D是的中点,AD交BC于E,求证:AB·AC=AE·AD。(6分)24、(本题满分8分)有A、B两个黑布袋,A布袋中有四个除标号外完全相同的小球,小球上分别标有数字0,1,2,3,B布袋中有三个除标号外完全相同的小球,小球上分别标有数字0,1,2.小明先从A布袋中随机取出一个小球,用m表示取出的球上标有的数字,再从B布袋中随机取出一个小球,用n表示取出的球上标有的数字.(1)若用(m,n)表示小明取球时m与n的对应值,请通过画树状图或表格写出(m,n)的所有取值;(2)求关于x的一元二次方程有实数根的概率.25、(本题满分8分)为了提高农民抵御大病风险的能力,全国农村推行了新型农村合作医疗政策,农民只需每人每年交10元钱,就可以加入合作医疗.若农民患病住院治疗,出院后到新型农村合作医疗办公室按一定比例报销医疗费.小军与同学随机调查了他们镇的一些村民,根据收集到的数据绘制成了如图所示的统计图.(本小题满分8分)根据以上信息,解答下列问题:(1)本次共调查了多少村民?被调查的村民中,有多少人参加合作医疗得到了报销款?(2)若该镇有村民10000人,请你计算有多少人参加了合作医疗?要使两年后参加合作医疗的人数增加到9680人,假设这两年的年增长率相同,求这个年增长率.26.(本小题满分8分)某工厂生产一种合金薄板(其厚度忽略不计),这些薄板的形状均为正方形,边长(单位:cm)在5~50之间,每张薄板的成本价(单位:元)与它的面积(单位:)成正比例,每张薄板的出厂价(单位:元)由基础价和浮动价两部分组成,其中基础价与薄板的大小无关,是固定不变的,浮动价与薄板的边长成正比例,在营销过程中得到了表格中的数据.薄板的边长(cm) 20 30出厂价(元/张) 50 70求一张薄板的出厂价与边长之间满足的函数关系式;已知出厂一张边长为40cm的薄板,获得的利润是26元(利润=出厂价-成本价).求一张薄板的利润与边长之间满足的函数关系式;当边长为多少时,出厂一张薄板获得的利润最大?最大利润是多少?.27.(10分)在图形的全等变换中,有旋转变换,翻折(轴对称)变换和平移变换.一次数学活动课上,老师组织大家利用矩形进行图形变换的探究活动.(1)第一小组的同学发现,在如图1-1的矩形ABCD中,AC、BD相交于点O,Rt△ADC可以由Rt△ABC经过一种变换得到,请你写出这种变换的过程 .(2)第二小组同学将矩形纸片ABCD按如下顺序进行操作:对折、展平,得折痕EF(如图2-1);再沿GC折叠,使点B落在EF上的点B'处(如图2-2),这样能得到∠B'GC的大小,你知道∠B'GC的大小是多少吗?请写出求解过程.(3)第三小组的同学,在一个矩形纸片上按照图3-1的方式剪下△ABC,其中BA=BC,将△ABC沿着直线AC的方向依次进行平移变换,每次均移动AC的长度,得到了△CDE、△EFG和△GHI,如图3-2.已知AH=AI,AC长为a,现以AD、AF和AH为三边构成一个新三角形,已知这个新三角形面积小于15,请你帮助该小组求出a可能的最大整数值.28、(本题满分12分)如图,在平面直角坐标系中,点C(-3,0),点A、B分别在x轴、y轴的正半轴上,且满足.(1)、求点A、点B的坐标;(2)、若点P从C点出发,以每秒1个单位的速度沿线段CB由C向B运动,连结AP,设的面积为S,点P的运动时间为t秒,求S与t的函数关系式;并写出t的取值范围。(3)、在(2)的条件下,是否存在点P,使以点A,B,P为顶点的三角形与相似?若存在,请直接写出点P的坐标;若不存在,请说明理由.20.解:(1)(x+1)2=144 ……(1分)x+1=±12 ……(3分)……(4分)……(2分)……(3分)……(4分)(3)略 (4)略23、解: ∵D是的中点∴弧BD=弧CD∴∠BAD=∠CAD………………………………1分∵∠D=∠C………………………………2分∴△ABD∽△AEC………………………………3分∴……………………………………4分∴AB·AC=AE·AD………………………………5分26.解:(1)设一张薄板的边长为cm,它的出厂价为元,基础价为元,浮动价为元,则. 1分由表格中的数据,得 解得所以 3分27.(本题10分)解:(1)将△ABC绕点O旋转180°后可得到△ADC …………………………2分(缺旋转中心或旋转角各扣1分)(2)连接BB',由题意得EF垂直平分BC,故BB'=B'C,由翻折可得,B'C=BC,∴△BB'C为等边三角形.∴∠B'CB=60°,……5分(3)分别取CE、EG、GI的中点P、Q、R,连接DP、FQ、HR、AD、AF、AH,∵△ABC中,BA=BC,根据平移变换的性质,△CDE、△EFG和△GHI都是等腰三角形,∴DP⊥CE,FQ⊥EG,HR⊥GI.在Rt△AHR中,AH=AI=4a,AH2=HR2+AR2,HR2=a2,则DP2=FQ2=HR2=a2,AD2=AP2+DP2=6a2,AF2=AQ2+FQ2=10a2,新三角形三边长为4a、a、a.∵AH2=AD2+AF2 ∴新三角形为直角三角形.其面积为aa=a2.∵a2<15 ∴a2<15(或通过转换得新三角形三边就是AD、DI、AI,即求△GAI的面积或利用△HAI与△HGI相似,求△HAI的面积也可以)∴a的最大整数值为3.………………………………………………10分(3)存在,满足条件的的有两个., …………………………………………………………(10分).………………………………………………………(12分)ABCIEDGFHaPQR无锡市前洲中学2013届九年级10月反馈练习化学试题一.单项选择题(本大题包括15小题,每题只有1个选项符合题意,共15分)1.“伐薪烧炭南山中”是唐朝诗人白居易所写的诗歌《卖炭翁》中的诗句。这里“伐薪”和“烧炭”各指的变化是 ( )A.前者是物理变化,后者是化学变化 B.前者是化学变化,后者是物理变化C. 两者都是物理变化 D. 两者都是化学变化2.下列对酒精性质的描述中,属于化学性质的是 ( )A.易挥发 B.能燃烧 C.有特殊气味 D.通常状况下为液体3.空气中含量最多且化学性质不活泼的气体是 ( )A.氧气 B. 二氧化碳 C. 氮气 D. 稀有气体4.下列物质一定属于纯净物的是 ( )A.空气 B.液态氧 C.自来水 D.稀有气体5.下列图示的实验基本操作正确的是 ( )6.下列实验操作符合操作规范的是 ( )A. 为了便于观察,给试管加热时,试管口应对着自己B. 为了证明一瓶药品是蔗糖还是食盐,可品尝一下其味道C. 实验室用剩的药品,不能放回原瓶,但可丢入垃圾堆中D. 实验室制取气体时应先检查装置气密性,再往反应容器中加药品。7.保持水化学性质的最小粒子的符号是 ( )A.H2O B.H2、O2 C.H、O D.H2O、H28.目前,我国重点城市空气质量日报的监测项目中不包括 ( )A.二氧化硫 B.二氧化碳 C.二氧化氮 D.可吸入颗粒物9.关于燃烧现象的描述,正确的是 ( )A.木炭在氧气中燃烧产生二氧化碳 B.硫在空气中燃烧发出蓝紫色火焰C.点燃蜡烛时,蜡烛先熔化后燃烧 D.铁丝在空气中剧烈燃烧,火星四射10.下列反应既不是化合反应又不是氧化反应的是 ( )A.镁+氧气→氧化镁 B.碱式碳酸铜→氧化铜+二氧化碳+水C.氢气+氯气→氯化氢 D.蜡烛+氧气→水+二氧化碳11.下列有关催化剂的说法正确的是 ( )A.在化学反应中催化剂只能加快其他物质的反应速率B.二氧化锰是催化剂C.催化剂只能改变化学反应速率,不能增加或减少生成物的质量D.要使过氧化氢溶液分解出氧气必须加入二氧化锰,否则就不能发生分解反应12.下列不属于缓慢氧化的是 ( )A.动物呼吸 B.纸张燃烧 C.食物腐败 D.酿造米酒13.下列表中所列分子的性质和实验现象无关的是 ( )14.用量筒量取溶液,视线与量筒内液体的凹液面最低处保持水平,读数为15毫升;倒出部分液体后,俯视凹液面的最低处,读数为9毫升。则该学生实际倒出的溶液体积 ( )A.小于6毫升 B.大于6毫升 C.等于6毫升 D.无法确定范围15.下列仪器中,能在酒精灯火焰上直接加热的玻璃仪器有 ( )A、试管 B、量筒 C、烧杯 D、燃烧匙二.填空题(本题包括3小题,每小空1分,共17分)16.(1)(5分)构成物质的粒子的由 、 、 ,例如:水由构成,氯化钠由 构成。(2)(4分)化学就在我们身边,它能改善我们的生活。请从“氧气 、氖气、二氧化碳、二氧化硫”中选择适当的物质填空:(1)抢救危重病人常用的物质是 ;(2)能使澄清石灰水变浑浊的气体是_ ____;(3)可用于制造霓虹灯的是 ;(4)能引起大气污染造成酸雨的是 。17.(3分)将下列物质按要求分类:①水蒸气②氯酸钾③液氮④过氧化氢溶液⑤二氧化碳⑥人体呼出的气体⑴属于混合物的是 (填序号);⑵属于纯净物的是 (用化学式填写)。18.(5分)用文字表达式完成下列反应,并在括号中注明反应的基本类型(指化合或分解)。(1)铁在氧气中燃烧: 反应基本类型( )(2)加热一种暗紫色固体制取氧气: 反应基本类型( )(3)酒精在空气中燃烧生成水和二氧化碳气体:三、实验题(本题包括1小题,每小空1分,共7分)19.(7分)根据下列实验装置图,回答问题:(1)写出标有序号的仪器名称:① ③(2)实验室若用加热高锰酸钾的方法制取氧气,选用的发生装置是 (填装置代号),若用该装置制取氧气时,还需要改进的是 ,目的是 ,用E装置收集氧气检验其收集满的方法是。(3)实验室若用过氧化氢和二氧化锰制取氧气,若要收集较纯净的氧气可选用的装置组合 (填装置代号)。四、实验探究题(本题包括2小题,每小空1分,共11分)20.(5分)图Ⅰ是小红按课本进行的一个化学实验,在实验时同学们闻到了一股难闻的刺激性气味。于是小明对原实验装置进行了改进,装置如图Ⅱ。【实验操作】 a.向B、C、E三支试管中分别加入5 mL的蒸馏水,各滴入1~2滴无色酚酞溶液,振荡,观察溶液颜色 b.在A、D试管中分别加入2 mL浓氨水,立即用带橡皮塞的导管按实验图Ⅱ连接好,并将D试管放置在盛有热水的烧杯中,观察几分钟。【分析讨论】:(1)E试管放有酚酞溶液的目的是 (2)进行操作b时观察到的现象是 (3)由此可以得到的有关分子的性质是① ,② (4)对比改进前的实验,改进后实验的优点是 21.(6分)某化学兴趣小组对教材中“测定空气里氧气含量”的实验(见图I)进行了大胆改进,设计图(Ⅱ)(选用容积为45mL的18×180mm的试管作反应容器)实验方案进行,收到了良好的效果。请你对比分析下面图I、图Ⅱ实验,回答下列有关问题:(1)按图I所示装置进行实验,红磷在瓶中燃烧时的主要现象是 ;发生反应的文字表达式为 ;若图Ⅰ中集气瓶口漏气,会导致测定结果 。(填“偏小”、“偏大”或“不变”)(2)按图Ⅱ所示装置进行实验①实验前,打开弹簧夹,将注射器的活塞前沿从20 mL刻度处推至15mL刻度处,然后松手,若活塞仍能返回至20mL刻度处,则说明 。②按图Ⅱ实验时的操作步骤如下:a、读取注射器活塞的数据。 b、撤去酒精灯,待试管冷却到室温后松开弹簧夹。c、将少量红磷平装入试管中,将20mL的注射器活塞置于15mL刻度处,并按图Ⅱ中所示的连接方式固定好,再将弹簧夹紧橡皮管。d、点燃酒精灯。e、检查装置的气密性。你认为正确的实验操作顺序是 (填序号)。③当红磷与氧气充分反应后,移开酒精灯并打开弹簧夹,注射器活塞将从15mL刻度处慢慢前移到约为 mL刻度处才停止。九年级化学反馈练习卷答卷 2012.10注意事项:1.答案全部填在答题卷上,填写在试题纸上一律无效。2.考试时间:50分钟;试卷满分:50分。一.单项选择题(本大题包括15小题,每题只有1个选项符合题意,共15分)题号 1 2 3 4 5 6 7 8答案题号 9 10 11 12 13 14 15答案二.填空题(本题包括3小题,17题(2)小题2分,其余每空1分,共17分)16、(1) 、 、(2)① ②③ ④17、(1)(2)18、(1) ( )(2) ( )(3)三、实验题(本题包括1小题,每小空1分,共7分)19、(1)① ③(2)(3)四、实验探究题(本题包括2小题,每小空1分,共11分)20、(1)(2)(3)①②(4)21、(1)(2)①②③九年级化学反馈练习卷答案 2012.10注意事项:1.答案全部填在答题卷上,填写在试题纸上一律无效。2.考试时间:50分钟;试卷满分:50分。一.单项选择题(本大题包括15小题,每题只有1个选项符合题意,共15分)题号 1 2 3 4 5 6 7 8答案 A B C B C D A B题号 9 10 11 12 13 14 15答案 C B C B A B A二.填空题(本题包括3小题,17题(2)小题2分,其余每空1分,共17分)18、略三、实验题(本题包括1小题,每小空1分,共7分)19、(1)① 酒精灯 ③ 水槽(2) A 试管口应放一团棉花防止加热时高锰酸钾粉末进入导管将带火星的小木条放在集气瓶口,若小木条复燃,则证明已满(3) BC四、实验探究题(本题包括2小题,每小空1分,共11分) 展开更多...... 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