Unit 4 Amazing Plants and Animalst Section B 知识点 (含答案)

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Unit 4 Amazing Plants and Animalst Section B 知识点 (含答案)

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Unit 4 Amazing Plants and Animals
知识点
Section B How are plants and animals connected with us?
一、单元词汇
单词 1. v. 关联,连接2. adj. 连接的,相关的3. prep. 没有,缺乏4. v. 想象,猜想5. n. 蜂蜜,(爱称)亲爱的6. adj. 失望的,沮丧的7. n. 联系,连接8. n. 授粉9. n. 花粉10. n. 行动,行为11. n. 百分之...adj & adv. 每一百中12. n. 行星13. v. 贮存,存储 v. 百货商店,商店14. n. 蜂巢15. v. 交流,沟通16. n. 生态系统17. v. 防护,保护18. n. 重要性19. n. 标题,题目,名称20. n. 人 adj. 人的,人类的 21. n. 蚂蚁22. n.幸福,快乐23. v. 使失望,使破灭24. n. 蘑菇,伞菌25. n. 吨26. n. 作用,职能,角色27. n. 豌豆28. n.气候29. n. 大海,海洋30. prep. 除...之外,除了31. adj. 极小的,微小的32. adj. 精力充沛的,生机勃勃的
短语 1. 去超市2. 此刻,此时3. 最好的例子之一4. 实际上,事实上5. 因此,出于这个原因6. 为了,目的是,以便7. 存储蜂蜜8. 发挥作用,在...扮演重要作用9. .......的数量10. 思考,考虑11. 在....和...之间12. 比如,例如13. 给出一个例子14. 是...的家乡,有...栖息15. 竹篮子16. 气候变化17. 许多种类的动物18. 达到,符合19. 持续超过一年20. 创造了一个生机勃勃和健康的生态系统21. 多长时间22. 参与某事
二、单元重点、难点、考点精讲
Section B
1.Imagine you go to the supermarket in your area, but there are almost no fruits, vegetables, honey, milk, eggs, or chocolate.想象一下,你去了你所在地区的超市,但那里几乎没有水果、蔬菜、蜂蜜、牛奶、鸡蛋或巧克力。
【解析】imagine动词 想象,设想 过去式: 名词形式:
①后接名词或代词作宾语
I can't imagine life without electricity.(我无法想象没有电的生活。)
②后接动名词作宾语,即imagine doing sth.
She imagined walking in the park alone.(她想象着独自在公园散步。)
③后接宾语从句,
Imagine that you are in a beautiful forest.(想象一下你在一片美丽的森林里)
You can't imagine what a great teacher she is!你无法想象她是多么好的一位老师。
2.Disappointed Angry Sad At this moment you realize people, plants, and animals are all connected.失望?愤怒?悲伤?此刻你意识到人、植物和动物都是相互关联的。
【解析】
disappointed形容词 失望的,沮丧的
常见用法:
①be disappointed (with/at/about sth.):对某事感到失望。
The teacher was disappointed with the result of competition.(老师对比赛结果感到失望。)
②be disappointed (in/with sb.):对某人感到失望。
My parents were disappointed in him because he didn't pass the exam.(我父母因为我没通过好成绩而对我感到失望。)
③be disappointed to do sth.:因做某事而感到失望。
He was disappointed to fail the exam again.”(他因再次考试不及格而感到失望。)
④be disappointed that...:对……感到失望。
I’m disappointed that he did not get job.
【拓展】
①动词disappoint 使失望
Don't disappoint me, and finish the work on time.(别让我失望,按时完成工作。)
②形容词形式:disappointed和disappointing。
disappointed用于形容人或人的感受,人作主语。
I'm disappointed.(我很失望。)
disappointing用于形容事物,物做主语。
The news is disappointing.(这个消息令人失望。)
③名词:disappointment,意为“失望;沮丧;令人失望的人或事”。
To my disappointment, he didn't come to my birthday .(令我失望的是,他没有来我生日聚会。)
connected形容词, 连接的,相关的
常见用法:
①be connected to(连接到)
The computer is connected to the internet.(电脑联网了。)
②be connected with(与……有关)
His illness is connected with his diet.(他的病与饮食有关。)
【拓展】
①connect是动词,意为“连接;联结;使……有联系”等,过去式:
connect...to..... 把....和....连接起来,连接到,一般指物理或技术上的连接
Connect the printer to the computer. 把打印机和电脑连接起来。
connect...with....与...有联系,与...连接, 一般指抽象或者情感上的连接
I always try to connect my ideas with real-life
我总是尽量将我的想法与现实生活联系起来。
②名词:connection(连接;联系;关系),
I'm having problems with my Internet connection. 我的互联网连接有问题。
3.In fact, without their work, about 80 per cent of the plants in the world cannot grow.实际上,如果没有它们的工作,世界上大约80%的植物无法生长。
【解析】
(1)in fact 事实上,其实 相当于actually
Many people think she is unfriendly, but in fact, she is just shy.
很多人认为她不友好,但实际上她只是害羞。
without 介词 没有
常见用法:
①后接名词或代词,
We can not live without water. 没有水,我们无法生存。
②接动名词,即without doing sth
He spoke without thinking.他不假思索地说。
【拓展】without” 表示“没有;无;不”,在进行句型转换时,常可以与含否定意义的条件状语从句。
原句:Without water, fish can't live.(没有水,鱼就不能生存。)
转换句:If there is no water, fish can't live. (如果没有水,鱼就不能生存。)
In order to store honey, they create honeycombs.为了储存蜂蜜,它们建造蜂巢。
【解析】
(1)in order to,用于表示目的,“为了,以便”,后接动词原形,在句中作目的状语。
In order to get good grades,I get up early to study (我为了取得好成绩,早起学习)
其否定形式,是“in order not to do sth.”。
In order not to wake the baby,he came into the room silently.(为了不吵醒宝宝,静悄悄进房间)
create动词 含义:创造,创作, 创建
The government plans to create more jobs for young people.
【拓展】形容词creative有创意的;名词creator创造者,名词 creation
Another interesting thing about bees is how they communicate. 蜜蜂的另一个有趣之处在于它们如何交流。
【解析】
(1)“another示“又一的,再一个(或一批)的”,
①用于泛指三个或三个以上同类事物中的另一个。
Can you give me another T-shirt I do not like this one(你能再给我一个吗我不喜欢这个?)
②后接数词时为“另外的……,再……”。
结构:another+数字+名词=数字+more+名词。
We need another three desks.(我们还需要三个书桌。)=We need three more desks.
【搭配】 “one another”表示“互相,彼此”。
(2)communicate动词 交流,沟通 过去式: 名词形式:communication
【搭配】
①communicate with sb.(与某人交流)
We can communicate with each other by phone.(我们通过电话交流。)
②communicate sth to sb (向某人传达某事)
It's important to communicate your feelings to your friends. (向朋友表达你的感受很重要。)
Think about what you can do to protect one of the most amazing animals on earth.想想你能做些什么来保护地球上最令人惊叹的动物之一。
【解析】protect v. 保护;防护 过去式:
结构:protect...from/against... 保护...免受...
They huddled together to protect themselves from the wind. (挤在一起免受风吹)
It’s important to protect your skin from the sun. 保护皮肤不受太阳的伤害是很重要的。
【词汇拓展】
protection n. 保护 protective adj. 保护的
7.However, the number of bees is dropping, and scientists are worried.然而,蜜蜂的数量正在减少,科学家们对此感到担忧。
【解析】
(1)however表示转折,意为“然而,可是”,常位于句首、句中或句末,用逗号与句子其他部分隔开。
位于句首时,However, he didn't appear.(然而,他没出现。)
位于句中时,He got a great test score; however, he's still upset.他考了个好成绩,然而他还是不开心。
位于句末时,He said he would come; he didn't, however.(他说他会来,然而他却没来。)
(2)the number of ...的数量
用法:1. 后接可数名词复数 2. 谓语动词用单数形式
The number of students in our school is 4500. 我们学校的学生数是4500个。
number of与the number of的区分
词汇 意义及用法
a number of “一些,许多”,后接可数名词复数;“a number of+复数名词/代词”作主语时,谓语动词用复数。
the number of “……的数量”,后接可数名词复数;“the number of+复数名词/代词”作主语时,谓语动词用单数。
The number of books in the bookstore is 1000 and a number of them are about science.
(3)drop动词 掉落,下降, 减少 过去式:
【拓展】名词,意为“滴”,常用于短语“a drop of”,表示“一滴……”。
There is a drop of water on the table.(桌子上有一滴水。)
(4)worried 形容词 含义:担心的;动词worry
【搭配】 be worried about sb./sth.(担心某人/某事)
She is worried about her son.(她担心考试她的儿子。)
8.The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand.最小的青蛙大约有豌豆那么大,而较大的可以长到和人的手掌一样大。
【解析】
(1)the size of表示“……的大小”,用于描述尺寸或规模。
The size of my bed room is about 20 square meters.(我卧室的面家大约20平方米)
(2)while连词
①引导时间状语从句,意为“当……时候”(强调两个动作同时进行)。while 引导时间状语从句时,主句和从句常用过去进行时(表示同时发生)。
While I was reading a storybook, my sister was watching TV.(我读书时,妹妹在看电视。)
②表示对比,意为“然而”。
She likes music, while I prefer sports.(她喜欢音乐,而我更喜欢运动。)
9.Many people like watching blue whales swim.许多人喜欢观看蓝鲸游泳。
【解析】
watch sb do sth:观看某人做了某事;强调观看某人做某事的全过程,注重动作的完整性。
I watched him play foottball from start to finish.(我看他打了整场篮球。)
watch sb doing sth:观看某人正在做某事;强调观看某人正在做某事,动作在某个特定时刻正在进行。
I watched him playing basketball when I passed by the playground.(我路过操场时,看到他正在打篮球。)
10.Blue whales live in all oceans except Arctic Ocean.蓝鲸生活在所有海洋中,除了北极洋。
【解析】except prep. 除……之外都......;除了
Everyone except Mike passed the exam (除麦克外,大家都通过了这次考试。)
Every student went to the park except Tom. (除了汤姆,大家都去公园了。)
【辨析】besides/except/except for
“besides”“except”和“except for”都有“除……之外”的意思,但用法上有区别:
besides表示“除……之外,还有……”,强调包括在内。 Besides English, he also learns Chinese.(除了英语,他还学中文。)这里表明他学习的语言包括英语和中文。
except表示“除……之外”,排除在外 Everyone is here except Tom.(除了汤姆,大家都在这儿。)意味着汤姆不在这儿,被排除在“Everyone”之外。
except for用于引述一个相反的原因或细节,修正前面所说的情况,强调整体中的部分排除。 The room is empty except for a chair.(房间里除了一把椅子外,什么都没有。)先描述房间整体是空的,然后指出有一把椅子是例外情况。
11.This food lasts for over a year and it helps to create a lively and healthy ecosystem. 这份食物持续超过一年多,有助于创建一个生机勃勃和健康的生态系统。
【解析】
①动词 持续,持久,维持 过去式:
The concert lasted three hours. 音乐会持续了三个小时。
②做形容词,最后的,末尾的,最近的,上一个
She was the last person to leave the classroom 她是最后一个离开教师的。
He went to Shanghai last week. 他上周去了上海。
③做副词,最终,最后,最新,最近,上一次
When did you see him last 你最近什么时候见到他?
④作为名词,最后的人或事,剩下的部分
Sorry I'm late—am I the last 对不起,我迟到了。我是最后一个吗?
These are the last of our apples.这是我们苹果剩余的部分
过关检测(Section B)
单项选择
1.(2025·黑龙江·中考真题)—The sight of the Yellow River is quite beautiful. Is it the longest river in China
—No, it is ____ longest river in China. It’s the “Mother River” of the Chinese people.
A.second B.the second C.a second
2. Mount Tai is the _______ mountain in Shandong, higher than any other in this area.
A.high B.higher C.highest
3. He jumped into the river to save(拯救) the girl without ________ twice.
A.think B.to think C.to thinking D.thinking
4. Can you imagine ________in such a small room?
A live B living C live D to live
5.—Our class did well in the school singing competition.
—Yes, you sang ________ of all.
beautifully B.more beautifully C.most beautifully
6—Who will go to the cinema tonight
—Everyone in our class will go there ______Mike. He is ill at home.
A.except B. besides C. between D. without
7.—What do you think we should do to protect our earth
—We can start from small ____. For example,we can pick up litter in the park.
A. subjects B. matches C. habits D. actions
8. Mike lives ____ from school of all the students, so he always takes a bus to school.
A.far B.farther C.further D.the farthest
用括号内所给词的适当形式填空
In this speech, our teacher told us the _________ (important) of studying. English.
2.The family are sharing a moment of __________(happy)together.
3.The ________(connect)between diet and health is clear.
4.The children had a________(live) debate(辩论) about their favorite books.
5.With the Internet, I can have a ____ __( communicate) with my children whenever I want.
6. The movie was __________ , and it __________ everyone.(disappoint)
三 根据汉语意思补全句子.
1. 秦岭是很多野生动物的栖息地,那里有很多各种动物。
Qinling is ________ ________ many wild animals, and there are many ________ ________ animals there.
2. 我不能想象花费这么多时间在网络游戏上。
I can’t ________ ________ so much time on online games.
3. 为了得到最好的图片,他们允许使用无人机。
______ ______ _______get the best pictures, they are allowed to use drones.
4.每个人都应当尽一份力来保护地球。
Everyone should _____ ____ role _____ _______the earth
房间的尺寸非常适合小家庭。
______ ______ _______the room is perfect for a small family.
四 完型填空
The first computer came out in 1946. It was very 1 and it worked slowly. Today computers are much smaller and 2 faster. What can computers do A writer said, “People can’t live 3 computers today.”
The 4 came a little later than computers. It is about 25 years 5 than computers. But now it is almost 6 . We use it to read books, do some shopping, play computer games or make friends. Many students use the Internet quite often. They 7 online and maybe they never know these people. They don’t know their 8 names, ages and work. They are so interested in making the “unreal friends” that they can’t put their hearts into 9 . Many of them became poorer (更糟糕的) in subjects than before 10 that.
Computers and the Internet let us learn more about the world, but we should remember that they can’t do anything.
( )1. A. big B. cheap C. smart D. fantastic
( )2. A. walk B. sell C. use D. work
( )3. A. without B. about C. on D. for
( )4. A. television B. Internet C. phone D. email
( )5. A. earlier B. larger C. later D. older
( )6. A. somewhere B. nowhere C. where D. everywhere
( )7. A. do homework B. play computer games C. make friends D. do shopping
( )8. A. family B. first C. real D. last
( )9. A. speak B. study C. sports D. life
( )10. A. because of B. such as C. as long as D. lots of
参考答案
一 单项选择
1. B 2. C 3.D 4.B 5.C 6.A 7.D 8.D
二 适当形式填空
1 importance
2 happiness
3 connection
4 lively
5 communication
6 disappointing disappointed
三 完成句子
home to kinds of
imagine spending
In order to
play a in saving
The size of
四 完形填空
1-5 ADABC 6-10DCCBA
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