必修3_unit4_language_points

1、Language pointsLanguage pointsUnit 4 Unit 4 1.起源，开始起源，开始2.四面八方四面八方3.及时及时,终于终于4.在在表面表面5.冷却冷却6.一系列反应一系列反应7. 充满充满,填满填满8.各种各样的各种各样的9.和和.不同不同10.轮到某人轮到某人11.下蛋下蛋12.生产生产,分娩分娩13.阻止阻止,制止制止14.由于由于的结果的结果15.依靠依靠;取决于取决于16.也也而且而且begin within all directionsin timeon the surface of cool downa chain reactionfill with

2、all sorts of be different fromin ones turnlay eggsgive birth to prevent fromas a result of depend on as well as17.对对有害有害18.组成组成,构成构成19.全球变暖全球变暖be harmful to make up global warming1.It exploded loudly with fire and rock, which were in time to produce the water vapour 1). （使某物）炸开，爆炸使某物）炸开，爆炸 2). （指感情）

3、迸发（指感情）迸发 3). （指人口）突然或迅速增加（指人口）突然或迅速增加 The firework exploded in his hand and he was hurt seriously.更多资源更多资源 The children exploded into laughter.The teacher exploded with anger. Now it is not easy to find jobs with the exploding world population. explosion n. 爆炸（声）爆炸（声） explosive adj.爆炸性的，易爆炸的爆炸性的，易爆

4、炸的 explode with /in/into.2. It exploded loudly with fire and rock, which were in time to produce the water vapour,. not late 及时；不迟She will be back in time to prepare dinner. 她来得及回来准备晚饭。她来得及回来准备晚饭。: sooner or later; eventually 迟早；最后；终于Ill see him in time.总有一天我会遇见他。总有一天我会遇见他。in/out of time: in/not in

5、the correct time 合合/不合节拍不合节拍The audience clapped in time to the music.观众合着音乐的节拍拍手。观众合着音乐的节拍拍手。3.(sth) be to (do): (something) will definitely happen, or it must happen 不可避免要发生或必须不可避免要发生或必须发生。发生。 e.g.They said goodbye, little knowing that they were never to meet again. Mr. Clark said to his daughter,

6、 “You are to be home by 10 oclock at the latest.” The sports meeting was to take place soon.cool 1) v. Please open the window to cool the room. Dont drink the tea before it cools a little. 2) adj. 凉爽的，冷静的，沉着的，冷漠的，冷淡的凉爽的，冷静的，沉着的，冷漠的，冷淡的 be/get/seem/keep cool His songs received a cool response from th

7、e public.4. As the earth cooled down, water began to appear on its surface. 随着地球的冷却随着地球的冷却, 地球的表面就开始出地球的表面就开始出现了水。现了水。cool downa.凉快起来，冷却凉快起来，冷却b.指人的心境指人的心境“平静下来，使平静下来，使平静下来平静下来” A heated argument can be settled better if both sides cool down first. I tried to cool her down but she was still very ang

8、ry when she left. Dont cover the TV until it cools down. 5. Nobody knew that it was going to be different from other planets going round the sun. 2）他们的品位和我不同。）他们的品位和我不同。Their tastes are different from mine. There are differences betweenand 与与之间有不同之处之间有不同之处tellfrom 把把与与区分开来区分开来the same as 与与一样一样be si

9、milar to 与与相似相似 be very / much / quite / entirely / totally different from与与不同不同 City life is quite different from country life. 1）城市生活和农村生活很不同。）城市生活和农村生活很不同。going round the sun为现在分词短语，做定语，为现在分词短语，做定语，表示一般的动作。例如：表示一般的动作。例如：Men breaking the law will be punished.Men who break the law will be punished.

10、 现在分词短语作定语，也可表示进行的动作。现在分词短语作定语，也可表示进行的动作。例如：例如：Can you see the girl dancing with your boyfriend?Can you see the girl who is dancing with her boyfriend? 你能看到与男友跳舞的那个姑娘吗？你能看到与男友跳舞的那个姑娘吗？be harmful to 对对有害有害 do harm to sb. = do sb. harm 伤害某人，对某人有害处伤害某人，对某人有害处 1) Pollution is especially harmful to anima

11、ls. 2) Smoking will do you a lot of harm. It does no harm (for sb.) to doThere is no harm in (sb.s) doing sth.6.6.7. It allowed the earth do dissolve harmful gases.allow vt. 允许、许可、容许允许、许可、容许allow+n./pron./doing allow sb. to dobe allowed to doMy father doesnt allow smoking at home. In fact he doesnt

12、allow us to smoke anywhere at any time.Are we allowed to use the computer?it作形式宾语，其真正的宾语可以是不定式，动名词和从句。作形式宾语，其真正的宾语可以是不定式，动名词和从句。 The foreign Minister said, “_ our hope that the two sides will work towards peace. ”(2004BJ)A. This is B. There is C. That is D. It is 2. I like _ in the autumn when the w

13、eather is clear and bright. (NMET2004)A. this B. that C. it D. one 3. Why dont you bring _ to his attention that you are too busy to do it?A. this B. that C. what D. it DCD8. That made it possible for life to begin to develop. 4. Why? I have nothing to confess. _ you want me to say? A. What is it th

14、at B. What it is that C. How is it that D. How it is that 5. Was it at the school _ was named after a hero _ he spent his childhood? A. which ; that B. where; where C. that; where D. which; whereAA9. They multiplied and filled the first oceans and seas with oxygen .multiply (数目上数目上)增加，增多；乘；（使）繁殖增加，增

15、多；乘；（使）繁殖 1) Our problems have multiplied since last year. 2) 2 and 5 multiply to make 10. 4) The plants here multiply rapidly. 3) 6 multiplied by 5 is 30.= Multiply 6 by 5 to make 30.10.This encouraged the development of early shellfish and all sorts of fish.encourage 鼓舞；促进；怂恿。后接名词、代鼓舞；促进；怂恿。后接名词、代

16、词，也可接不定式作宾语补足语。如：词，也可接不定式作宾语补足语。如：High prices for corn and wheat will encourage farming.玉米和小麦的高价将促进农业的发展。玉米和小麦的高价将促进农业的发展。My success encouraged me to continue.我的成功鼓励我继续干下去。我的成功鼓励我继续干下去。He encouraged me to learn dancing.他鼓励我去学跳舞。他鼓励我去学跳舞。11. Many millions of years later the first green plants began t

17、o appear on land. late adj. 迟到的，晚的；前任的；以前的；已故的迟到的，晚的；前任的；以前的；已故的 later adv. 后来，较晚时候后来，较晚时候, ,过后过后 adj. late的比较级的比较级(更迟的,更后的) latest adj. 最新的最新的 lately adv. =recently 近来近来 1) Mr. Zhu Rongji is the late Prime Minister of China. 3) She said she would ring you later this morning. 5) Its only lately that

18、 she has been well enough to go out. 2) He is often late for school. 4) Have you heard about the latest news? 12. spread的用法的用法（1）vi. （消息等）传开，流传。如：（消息等）传开，流传。如：The news spread through the school very quickly.The fire spread from the factory to the house nearby.（2）vt. “使伸展，延伸，张开使伸展，延伸，张开”，常与，常与out连用。连

19、用。He spread out his arms to welcome us.I spread a new cloth on the table.我在餐桌上铺上一条新桌布。我在餐桌上铺上一条新桌布。他张开手臂欢迎我们。他张开手臂欢迎我们。13. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space. 阻止某人做某事阻止某人做某事 :prevent sb. (from) doing sth. stop sb.

20、 (from) doing sth. keep sb. from doing sth. 1) We must prevent them from making trouble. 2) You should prevent the child from injuring himself. If nothing prevents, 如果没有什么阻碍的话如果没有什么阻碍的话 , 14.escape 1) v. escape sthdoing sthescape punishment=escape being punished escape from sth/some place2) n. Escap

21、e from the prison is difficult.15. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. for millions of years to come中不定式中不定式to come作定作定语，与前面的名词之间有逻辑上的主谓关系：语，与前面的名词之间有逻辑上的主谓关系：She is the last person to do such a thing.她是最不像会做这种事的人。她

22、是最不像会做这种事的人。16. depend on/upon 1) 信赖，依靠信赖，依靠 depend on/uponsb/sth/v-ingsb/sth forsb to do sthYou mustnt depend on others to help you.All living things depend on the sun for their growth. 2) 视而定，取决于视而定，取决于 The price depend on the quality. Your success depends on whether you work hard. That depends on

23、 how you did it.depend on it 没问题，请放心（句末或句首）没问题，请放心（句末或句首） That /It (all) depends. 那得看情况而定那得看情况而定 1) Depend on it, youll succeed. 2) He may support me, but it depends . Tell him what you want to say; hes a man to _. A. count B. believe C. trust D. depend 解析解析:相信相信/信赖某人信赖某人:count on sb. believe in sb.

24、 depend on sb.trust (in) sb.C17. When the plants grew into forests, reptiles appeared for the first time. She is growing into a beautiful young woman.她渐渐出落成一个美丽的姑娘。她渐渐出落成一个美丽的姑娘。生长成为生长成为,渐渐成为或变得渐渐成为或变得（不用于被动语态）（不用于被动语态）动词动词过去式过去式过去分词过去分词现在分词现在分词意义意义lielaylainlying躺，位于躺，位于lieliedliedlying撒谎撒谎laylaid

25、laidlaying搁，放，搁，放，下蛋下蛋The naughty boy _ to me that the hen that _ there just now had_ two eggs the day before.A. laid; laid; laid B. laid; lay; lainC. lied; laid; lain D. lied; lay; laidDWord study: Translate the following into English把把当作当作太阳系太阳系总有一天；及时总有一天；及时一般地说来一般地说来信赖；取决于信赖；取决于目前目前做出选择做出选择天文学天文学氧氧阻止阻止think of assolar systemin timegenerally speakingdepend on at presentmake choices astronomyoxygen prevent from Language points for Reading(P30)更多资源更多资源 cheer up : 欢呼，喝彩，感到高兴，欢呼，喝彩，感到高兴， 使高兴。使高兴。当看到球队的到来