高中英语 人教版 必修三 第四单元 基础知识点 (笔记版)

1、Unit 4 system 系统，体系 solar system 太阳系 government systems 政府体系interest vt. 使感兴趣常用：Sth. interest Sb. interested adj. 感兴趣的 interesting adj. 令人感兴趣的eg: What he said interested all of us. We are interested in the interesting story.1. 根据一个普遍接受的理论，宇宙起源于一次大爆炸，这次大爆炸把物质射向四面八方。 （背过）a widely accepted theory, the

2、universe started with. throw matter in all directions.世界上独一无二的东西，前面加定冠词the, 例如：the sun, the moon, the earth, the university, the world.但是名词前若有adj修饰，一般用不定冠词a/an。例如：There is a big moon in the sky.Start/begin with 以开始；to start/begin with首先=first of allwide adj.&adv. Wide做副词表示具体的宽 He lay here, with

3、his eyes wide open./ wide awake.widely adv. 修饰抽象的 广泛的 The book is widely read.Direction表示方向常和in, from搭配。从某个方向用from, 朝某方向用in. in all directions 四面八方 in the opposite direction 朝相反的方向 例如：The woman went to the direction from which she came.这个女士走向她来的方向。to do一般做目的状语，但有时候也可做结果状语，见课本第一段最后。Only to do结果发现常表示意

4、料之外的结果。例如：She went to the supermarket, only to find/only to be told that all the salt had been sold out.2. be to do用法，自己列出。settle 定居；解决；停留，落下；使某人坐在某个位置；精神的镇静 例如：We finally settled in Jinan. 定居 The question is hard to settle/solve. 解决 The bird settled on the branch. 停留在树枝上 My father settled himself i

5、n the sofa after work. 坐在沙发上 The medicine can help to settle your nerves. 镇静神经3. last VI持续维持 其后的介词for经常省略。 The meeting lasted (for) three hours.4. in time 及时 in time to do/ in time for 最终，迟早。相当于sooner or later ,eventually 例如：We were just in time for the flight.= We were just in time to catch the pla

6、ne.Dont worry. I am sure things will get better in time.辨析：in time/ on time/ at a time(一次，每次)/at one time(曾经，一度)/ at times=sometimes(有时候)5. atmosphere 大气层，经常与定冠词联用 the atmosphere 气氛，氛围 例如：An atmosphere of tension(紧张) filled Japan after the earthquake.The atmosphere over dinner was warm and friendly.

7、6. As the earth cooled down, .as在本句中为连词，翻译为：随着。可以和with复合结构互换。例如：As time goes by, we are older and older. = With time going by,11. unlike prep. 不像 Unlike his brother, he is diligent. 不像弟弟，他很勤奋。It is unlike him to be late. 迟到可不像他的风格。I dislike eating fish. I like eating meat. 我不喜欢吃鱼，我喜欢吃肉。What is the w

8、eather like? 天气怎么样？He is likely to come.= it is likely that he will come. 他很可能回来。12. be fundamental to 对至关重要，基础 fundamental differences 根本的不同13. make it possible for life to develop 为make+宾语+宾补的结构 在此it形式宾语，不定式为真正的宾语。宾补可以有多种成分充当，但不能加ing形式。例如：We made him president. 我们选他做总统。We should try our best to ma

9、ke the room clean.I spoke aloud to make myself heard. 让我自己被听见。The mother made the boy do his work all day.被动 The boy was made to do his work all day.14. multiply 繁殖，增加，乘 例如：Cells multiply by means of cell division.The answer is 30 if you multiply 6 and 5.Your effort will multiply your chance of succ

10、ess.15. call A B 叫.A 是B The boy called Jim is a kind boy.I lived in what you called Greece.16. for the first time 第一次，为介词短语，一般做时间状语。 The first time为连词，连接句子 It is /was the first time that sb. have/had done sth. 例如：Today, I climbed on the Qianfo Mount for the first time.I fell in love with the car the

11、 first time I saw it. It is the first time that I have visited the city. lay eggs 下蛋lie lied-lied 撒谎lielaylain 躺，位于laylaidlaid 放置，下蛋He laid the books on the shelf.他把书放在书架上了。The hen lays an egg a day. 这只母鸡每天下一个蛋。He lied to his mother. 他对母亲撒谎了。18. exist 不及物动词，不用于被动语态，不用于进行时态。名词：existence/ come into ex

12、istence =come into being 形成，产生 例如：There exist warm-hearted people everywhere.We cant exist without water.No one knows when the earth came into existence.19. remain vi&link-v 保持，维持，仍然，剩余 the remaining money 剩下的蛋糕I am sorry. My work remains unfinished.After many years, he remains single./ he remai

13、ns a teacher.The problem remains to be solved.It remains to be see whether we can finish it in time.20. spread 伸展；延伸；（消息，火）等蔓延，传播 The news spread through the school quickly.The mother spread a cloth on the table.The fire spread quickly, but all the people were able to escape.21. thus adv相当于therefore

14、 因此 The universities have expanded, thus allowing more students to get a higher education.He forgot to turn on the radio and thus missed the news.He knocked out Tom, thus becoming the champion.22. in ones turn 轮到./ by turns 轮流/ in turn 依次，轮流 反之，从而/ in return (for)作为回报 例如：Today, I am in my turn on du

15、ty to clean the room.The two brothers looked after their sick mother by turns.I gave him some money in return for his help.= He helped me. In return, I gave him some money.高考再现：A clean environment can help the city bid for the Olympics, which _ will promote its economic development.A .in nature B.in

16、 return C.in turn D.in fact23. prevent/keep/stop from. 阻止。注意keep后的from不能省，省掉意思就是使一直干. Shelter/protect from保护免受.The heavy snow prevented all of us (from) arriving at school on time.The sunglasses can shelter us from the sunlight.24. depend on 依靠，依赖；取决于When we are old, we have to depend on our childre

17、n to earn money.Whether you will stay or not depends on you.It/that depends.看情况吧。高考再现：-How often do you eat out?-_, but usually once a week. A. I have no idea. B. it depends. C. as usual D. Generally speaking25. the year to come= the coming year 在将要到来的一年。To come做后置定语】26. block out 挡住（光线和声音等）；忘记，抹掉Th

18、e tall building blocked out the sunlight. She wanted to block out the unhappy experience.27. visit n&v visit sp. Pay a visit to sp. We are going to pay a visit to/visit the USA in the holiday.28. explain sth. to sb.= explain to sb. sth. -explanation(n)You had better explain to your mother the th

19、ing.29. lessen The pain is lessening after taking the medicine. The government takes measures to lessen the impact of the earthquake.30. get/be close(adj.) to 靠近close adv. 具体的近 stand/sit close(adv.) to closely 抽象的 仔细地，严谨地 密切地The child examined the animal closely.31. asas结构中，若中间为第三人称单数名词需要这样：as+adj.+a/an+n+as He is as kind a boy as you.= He is a boy as kind as you.31. 倍数表达法：A + 动词+倍数+as asA + 动词+倍数+ more than.A + 动词+倍数+t