资源简介 新概念第二册Lesson 48 Ddi you want to tell me something 单词精讲pull v. 拔(1)拉,拖,牵,扯:I felt someone pulling my arm.我觉得有人在拉我的胳膊。They pulled the heavy bag into a room.他们把那个重袋子拖到一个房间里。You have to pull hard.你得用力拉。(2)拔,抽:You've pulled out the wrong teeth!你拔错了牙!He pulled an address book from his pocket.他从口袋里抽出一本通讯录。cotton wool 药棉collect v. 搜集词汇链接:collection n. 收藏品, 收集品固定搭配及常见用法:① collect salary 领工资② collect money 筹集资金 ③ collect stamp 集邮④ collect children 收养孩子 collection n. 收藏品,收集品nod v. 点头(1)vt.,vi. 点头,点头示意/招呼:I asked him if he wanted to come and he nodded his head.我问他是否想来,他点了点头。When we meet each other in the office, he always nods at me.我们在办公室见面时,他总是向我点头打招呼。(2)vi. 打盹,打瞌睡(常与off连用):He used to nod off during the French class.他过去常在上法语课时打瞌睡。As he was very tired, he nodded over his reading.因为他很累,所以他一边看书一边打盹。meanwhile adv. 同时meanwhile = at the same time = in the same time用法和 however 一样,不能连接两个句子,但是意思上有承接概念。cotton n. 药棉引申:"cotton"这个词的本义是指棉花这种植物或其纤维,但在特定的语境下,它也被引申为"药棉",这是因为药棉通常是由棉花制成的,具有吸收性和柔软性,适合用于医疗用途。搭配:cotton"作为名词,常见的搭配有:"cotton wool":药棉,这是"cotton"在医疗领域中的一个常见搭配,指的是经过特殊处理后用于清洁伤口或涂抹药物的棉花。"cotton swab":棉签,这是一种常见的医疗用品,由一根小木棒或塑料棒和一端裹着棉花的部分组成,用于清洁耳朵、涂抹药物等。"cotton ball":棉球,这是一种球形的棉花制品,通常用于医疗或化妆领域。此外,"cotton"还可以作为动词使用,常见的搭配有:"cotton on":理解,明白,这个短语通常用于口语中,表示某人突然理解或明白了某事。"cotton to":喜欢,亲近,这个短语表示某人对某事或某人产生好感或亲近感。重点句型1. can和be able to的区别1) 情态助动词can/could用于表示请求别人允许或答复时的情况:Can/Could I borrow you pen 2) can有时可以表示可能性:I can have lunch with your tomorrow if you like.3) 在表示天生的或学到的能力时,can/could可用于现在时和过去时,can/could与be able to通常可以互换,表示将来的“能力”时,则用will be able to:I could drive a car by the time I was sixteen.I tried again and found I could/was able to swim.Can Jane swim yet No, but she’ll be able to swim in a few months’ time.4) 在谈到说话时正在发生的事时,一般不用be able to:Look! I can stand on my head.5) 在表示成功地完成某一具体动作时,通常不用could,而用be able to;如果表示某一动作没有取得成功,则可用couldn’t:It’s pity he couldn’t visit Mary.Oh, didn’t you know He was able to visit her after all.He was able to leave Europe before the war began.他在战争开始之前得以离开欧洲。He was able to go to London yesterday and he enjoyed himself very much.6) 在问及过去某一具体活动时可用could,但回答是肯定的时候则不能:Could he borrow a car Yes, he was able to borrow a car after all./No, he couldn’t.2. 含有介词at的词组at与许多词可以构成固定词组,其中表示时间的有:at first(开始时,最初),at once(马上,立刻),at present(目前,现在),at last(最后,终于),at times(有时),at the moment(现在);表示地点的有:at home(在家),at school(在学校);表示程度的有:at least(至少),at any rate(不管怎样);其它词组有at heart(内心里,实际上),at a loss(困惑不解,不知怎么办)等。At any rate, I’m determined to stay here at present.无论如何,目前我决定留在这里。At least, I’m not mad yet.至少,我还没生气。People have more money now, yet the temptation to steal is greater than ever before. Why I’m at a loss.人们现在有了更多的钱,但偷窃的诱惑比以往任何时候都大。为什么 我不知所措。Though he tried to made conversation with the lady, he wasn’t interested in her at heart.虽然他试图和那位女士交谈,但他其实对她不感兴趣。课文精讲Dentists always ask questions when it is impossible for you to answer.牙科医生们总是在你无法作出回答的时候向你提出问题。在when引导的时间状语从句中,it为先行主语,代指后面的不定式,for+人称代词/名词说明不定式表示的动作是谁做的:It is not hard for you to help them.你帮助他们并不难。It was a mistake for me to come to the party.我来参加晚会是错误的。impossible通常不以人作主语,而以不定式或从句作主语:It is impossible for him to help you.他不可能帮你。It is impossible that he will help you.In answer to these questions I either nodded or made strange noises.作为对这些问题的回答,我不是点头,就是发出奇怪的声音。(1)in answer to为固定短语,在这里表示“作为对……的回答”:In answer to my question, Dan shook his head.作为对我的问题的回答,丹摇了摇头。这个短语的另一个含义是“响应……的请求”:In answer to my request, he wrote a letter to George.应我的请求,他给乔治写了封信。(2)made strange noises, 发出奇怪的声音。“我”并不是有意发出这些声音,而是因为嘴里有药棉,又想回答医生的话造成的。Meanwhile, my tongue was busy searching out the hole where the tooth had been. 与此同时,我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。(1)副词meanwhile表示“在此期间”、“与此同时”:He won't come until ten o'clock. Meanwhile you can have a rest.他10点以前不会来。在此期间你可以休息一下。Mary was talking to me about her new dress. Meanwhile I was thinking about something else.玛丽在和我讲她的新衣服。与此同时我却在想着其他事情。(2)search out表示“找出”、“查出”、“搜出”等:Have you searched out the books I needed 你找出我需要的书了吗?(3)where the tooth had been用的是过去完成时,因为在描述这件事的时候那颗牙已经不在了。牙齿尚在的时间是“过去的过去”。When the dentist at last removed the cotton wool from my mouth…当那位牙医最后将药棉从我嘴中取出时……remove可以表示“拿去”、“除去”、“去掉”,通常结构为“remove +名词+from”;它也可以单独使用:I've removed that picture from the wall.我已经把那幅画从墙上拿走了。Please remove your hat.请摘下你的帽子。 展开更多...... 收起↑ 资源预览