人教版英语必修三unit4知识点以及相应练习(超级好)知识讲解

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1.fundamental 的

2.astronomy n . 天文学

3.crash vi .& vt . 碰撞；坠落

4.system n . 系统；体系；制度

5.theory n . 学说；理论

6.atmosphere n . 大气层；气氛

7.thus adv . 因此；于是

8.pull n ．&vt . 拉(力)；拖；牵引力

9.float vi .&vt . (使)浮动；(使)漂浮 n . 漂浮物

10.harmful adj .有害的→harm n ．害处 vt .对……有害 11.violent adj .猛烈的；激烈的；强暴的→violence n ．暴力→violently adv .猛烈地；激烈地 12.puzzle vt .&vi .(使)迷惑；(使)为难 n ．谜；难题→puzzling adj .令人迷惑的→puzzled adj .迷惑不解的 13.unlike prep .不同；不像→like (反义词)prep .像→dislike v ．& n ．不喜欢 14.exist vi .存在；生存→existence n ．存在 15.globe n ．球体；地球仪；地球→global adj .全球性的；全世界的 16.religion n ．宗教；宗教信仰→religious adj .宗教的 1. (like) most people in the office who come to work by car, I usually come to work by bus. 2.We live in a (globe) village, but this doesn ’t mean that we all behave in the same way. 3.Do you believe the of ghosts? Perhaps they only ____ in the minds of some people.(exist) 1f6c42af58eef8c75fbfc77da26925c52cc59192st night we had a discussion, which became more and more . Finally we reached an agreement that we will never use whatever happens.(violent) 5.There was a look on the little girl ’s face because a ________problem her.(puzzle) 6.Playing computer games will not only do to your physical health, but it is also ________ to your mental health.So there is no in advising you to give it

up.(harm)

锦 ①astronomy n ． 天文学 ②astronaut n . 宇航员 ③gravity n . 万有引力 ④satellite n . 卫星 ⑤orbit n . 轨道

⑥spaceship n . 宇宙飞船 ⑦universe n . 宇宙

⑧launch vt . 发射

2.各种“碰撞”聚焦 ①crash v ． 碰撞；坠落 ②bump n ．&v . 撞；碰撞(声) ③collide v . 碰撞；相撞 ④collision n . 撞击；碰撞

⑤run into 撞上

⑥knock into 撞上

3.un-前缀高频形容词全接触

①unlike 不像的

②unable 不能……的

③unacceptable 不能接受的 ④unbelievable 不可相信的 ⑤uncertain 不确定的 ⑥unclear 不清楚的

⑦uncomfortable 不舒服的 ⑧unfair 不公平的

1.in_time 及时；终于

1f6c42af58eef8c75fbfc77da26925c52cc59192y_eggs 下蛋

3.give_birth_to 产生；分娩

4.in_one ’s_turn 轮到某人；接着

5.watch_out_for 密切注意；当心；提防

6.cheer_up 感到高兴；感到振奋

7.depend_on 依靠；取决于 8.break_out 突发；爆发 9.prevent_..._from 阻止；制止 10.block_out 挡住(光线) 11.get_the_hang_of 熟悉；掌握；理解 12.now_that 既然 1.Do remember to watch_out_for cars while crossing the street. 2.Cheer_up! You must believe in yourself and you will get success. 3.Please tell me when Mr.Smith is arriving at the train station so that I can pick him up in_time. 4.At last the firefighters put out the fire in the supermarket, which broke_out at ten this morning. 5.You ’ve made me suffer in the past, so now you, in_your_turn,_suffer again ！

1.表达“小心；当心”的高频短语荟萃 ①watch out (for) 小心；当心(……) ②look out 当心 ③take care 小心 ④be careful 小心

2.“阻止/禁止某人做某事”的多

种表达 (1)阻止某人做某事 ①prevent sb. from doing sth. ②stop sb. from doing sth. ③keep sb. from doing sth. (2)禁止某人做某事

④prohibit sb. from doing sth.

⑤ban sb. from doing sth. ⑥forbid sb. from doing sth.

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1.This produced a chain reaction, which

made it possible for life to develop .

这就产生了一系列的反应，使得生命

就有可能开始发展了。

句中的it 是形式宾语，真正

的宾语是不定式短语to

develop 。 这个女孩懂三门外语，这使她更容易找到

一份好工作。

The girl knows three foreign languages, which makes_it_easier_for_her_to_find a good job.

2.But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.

而当我试着向前迈步时，我发觉我被送出去很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。

“...倍数＋as ＋形容词/副词原级＋as ...”是倍数表达法之一，意为“……是……的多少倍”。

杰西卡付出的是以前三倍的时间和精力，所以我相信她这次能成功。Jessica devoted three_times_as_much_time_and_energy_as she did before, so I believe she will succeed this time.

3.“Oh, dear ，” I cried, “walking does

need a bit of practice now that gravity has changed.” “天哪，”我大声说，“既然重力改变了，看来走路也的确需要练一练了。”

now that “既然；由于”，引导原因状语从句，有时that 可以省略。 既然它对我们的好处如此多，为什么不试一试呢？Now_that_it_benefits_us so much, why not have a try ？

第一板块| 核心单词归纳集释

1．harmful adj .有害的

[经典例句] Experts point out that fruit juices can be harmful to children ’s teeth. 专家指出果汁可能损害儿童的牙齿。

①Some boys are too crazy about playing games on the computer, which is very

(harm) to their health.有些男生对玩电脑游戏简直到了痴迷的程度，这对他们的健康非常有害。

2．exist vi .存在；生存

[教材原句] They laid eggs too and existed on the earth for more than 140 million years. ①There_exists a generation gap between the young and the old. 青年人和老年人之间存在着代沟。

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更多精品文档 ②You can ’t imagine what difficulty they have existing on the money he ’s earning. 你无法想象他们靠他挣的那点钱维持生活是多么的困难。

③Scientists have many theories about how the universe first came into (exist)． 关于一开始宇宙是如何产生的，科学家们有多种观点。 [名师指津] exist 是不及物动词，没有被动语态，也不用于进行时态。

3．puzzle vt .使迷惑；使为难 n ．谜；难题；(游戏的)猜谜

[教材原句] How life began on earth is one of the biggest puzzles that scientists found

丢失的男孩去了哪儿对我们来说仍是个谜。

③His last paintings are perhaps the most ,_which even all the artists.(puzzle)

他最后的一批画作也许是最让人困惑的，这些画作甚至使所有的艺术家们都非常困惑。

[单词集成训练]

Ⅰ.基础点全练

1．单句语法填空

①I can say that it is the most (violence) film that I have ever seen.

②The festival of this year has been a great success, (like) the year before when it rained non-stop.

③The conversation was carried on a harmonious and friendly atmosphere. ④As the old saying goes, it is easier to pull than to build up.

⑤Her (puzzle) look on her face suggested she didn ’t understand what I said. ⑥The driver lost control of the car on the slippery road and crashed a truck.

Ⅱ.重难点多练

1．exist 全方位

(1)单句语法填空

①There (exist) a good way to solve the (exist) problem at present.

③As is known to us, the Republic of China came into (exist) as an independent country in 1949.

2．harmful 面面观

(1)用所给词的适当形式填空

①As we all know, a bad eating habit is (harm) to one ’s health.

②As far as I ’m concerned, there is no (harmful) in making an apology to him first.

第二板块

短语句型归纳集释

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到……”。

英语中常见的倍数表达法有：

A ＋be ＋倍数＋as ＋adj ./adv .原级＋as B

A ＋be ＋倍数＋adj ./adv .比较级＋than

B A ＋be ＋倍数＋the

＋名词＋of B

A ＋倍数＋what 从句，表示“A 是……的多少倍”。

①The red ruler is three times as (long) as the yellow one.

＝The red ruler is three times longer (long) than the yellow one.

＝The red ruler is three times the (long) of the yellow one.

以省略。

[短语句型集成训练]

Ⅰ.基础点全练

1．单句语法填空

①Though injured seriously, he tried to cheer ,_hoping to make his parents less worried. ②The two girls are so alike that strangers find difficult to tell one from the other. ③ was needed at that time, she told me, was some good luck.

④Class Three should be responsible for raising the red flag this week its turn. ⑤I had meant to call you, but was prevented doing so.

Ⅰ.单句语法填空 1．I could feel the wind (gentle) blowing through my hair, it was a warm summer breeze.

2．Watch out sharp bends and adjust your speed accordingly.

3．The new stadium being built for the next Asian Games will be three times (big) than the present one. 4．As we know, getting angry not only does harm one ’s health but also has a bad effect the relationship between people.

5．It is none of your business what other people think about you. Believe in yourself.

6．He failed the exam and I didn ’t know how to cheer him .

7．After several years of practice, I think I will finally get the hang spoken English.

8．All theories come from practice and turn serve practice.

9．Sometimes he found very hard to fall asleep at night, so he went to see the doctor.

10．There were many fish (float) in the river because of the serious pollution.

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