Unit 4阅读课语言点课件.ppt

1、Many millions of yeas later, the first small _appear on the _ of the water. They _ and filled the _with _, which _ the development of _. Then, _ began to grow on land. They were followed _ by land animal such as _, _. Later _ appeared for the first time when the plants grew into forests. The dinosau

2、rs, the most important reptiles, _ eggs and _ on the earth for a long time but became _ at last, which made the _ of mammal possible. It is because that mammals, who _ their babies, _ when the huge animals that were _ to them disappeared.,plants,oxygen,surface,multiplied,oceans,encouraged,shellfish

3、and all sorts of fish,green plants,in time,insects,amphibians,reptiles,laid,existed,extinct,spread,gave birth to,multiplied,harmful,Revision:,Unit 4 Astronomy,-Language Points-,Reading : Para 1: 1)according to 2) begin with 3) in all directions Para2: 4)settle into 5) violent 6) explode 7)in time 8)

4、 atmosphere 9)cool down Para3: 10)allow sb/sth to do Para4: 11)later 12)for the first time 13)lay eggs 14)exist 15)be different from 16)give birth to Para5: 17)spread 18)in ones turn 19)preventfrom 20) depend on,Language Points:,The wife suffered a lot from domestic _(家庭暴力). Her husband was a _ (粗暴的

5、) man. He often beat the poor wife _(猛烈地,粗暴地). One day, there was a _(狂风 ) wind. Luckily or unluckily, the husband died a _ death (惨遭横死).,1.violent violence violently,violence,violent,violently,violent,violent,It is a tradition in China to _ fireworks to celebrate the Spring Festival. But some firew

6、orks may be highly _. The _ may get people seriously burnt. So we can often see some parents _ in/with anger when seeing their children playing with fireworks.,explode,explosive,explosion,explode,2. explode v. explosion n. explosive adj.,1)Fred and Jim did not like each other at first, but in time t

7、hey became friends. 2)We were just in time for the bus. 3)You will realize how your parents love you in time.,及时; 最终; 总有一天;,及时,最终,总有一天,in time,与time相关的短语:,at times on time at one time all the time once upon a time,一直 按时; 准时 有时; 不时 曾经，一度 从前,3.in time,（1） 大气层 1)地球的大气层包括水蒸气、二氧化碳、氧气、氮气和其他气体。 The earths

8、atmosphere includes 、 、 、 and other gases. （2） 气氛 2) Completely lost in the exciting of the football match, Tom didnt feel his pocket picked. A scene B view C atmosphere D sight,water vapour,nitrogen,carbon dioxide,oxygen,4. atmosphere n.,cool adj. 凉快；冷静；冷淡,v. (使)变冷；冷静下来,1) Lets sit in the shade and

9、 get cool. 2) I knew I had to keep cool. 3) His play received a cool response from the public. 4) Let your soup cool a little before you drink it. 5) A heated argument can be settled better if both sides cool down first. 6) I tried to cool her down but she was still very angry when she left.,5. cool

10、 adj./v.,allow+doing allow sb. to do 主语+be allowed to do,My father doesnt _ _at home. In fact he doesnt _ _ _ _anywhere at any time.,1)父亲不允许在家里吸烟。实际上，他不允许我们在任何地方任何时候吸烟。,allow smoking,allow us to smoke,6. allow,2)翻译:他被允许去赌马.,3)翻译:我们可以用电脑么？,Are we allowed to use the computer?,He was allowed to have a

11、bet on horses,late,adj. 迟到的，晚的；前任的；,later,adv. 后来，adj. late的比较级,latest,adj. 最新的,lately,adv. =recently 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 she has been well enough to go out.,2) He is often late for schoo

12、l.,4) Have you heard about the latest news?,7. later,动词,过去式,过去分词,现在分词,意义,搁,放,下蛋,1)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; lain C. lied; laid; lain D. lied; lay; laid,lay,lain,lying,躺，位于,lied,lied,lying,撒谎,laid,laid,la

13、ying,8. lay eggs,2)翻译: 他把他的书放在桌子上。,He laid his book on the desk.,existence n.,come into existence,exist on 靠为生,exist in 存在于之中,1)Does life _ (存在) on Mars? 2)When did the world _ (产生) ? 3)He doesnt believe in the _ of God? A. life B. exist C. existence D. exhibition 4) I can hardly exist _ the wage Im

14、 getting. Theres no more money left for luxuries. A. by B. in C. on D. into,exist,come into existence,9. exist vi.,prevent sb. (from) doing sth.,stop sb. (from) doing sth.,keep sb. from doing sth.,2) 翻译:他被阻止去解释缺席那会议的原因,He was prevented from accounting for his absence from the meeting.,10. preventfro

15、m,1)我们不得不那么做去阻止狼吃我们的羊。 We had to do it to _ _,prevent/ keep/ stop,the wolves from eating our sheep.,depend on,sb. / sth.,sb. to do sth. sb. doing sth.,相信,依靠,依赖,视而定，取决于,You cant depend on others to help you. 2) Success depends on your own hard work. 3) Your success depends on whether you work hard.,wh-,11. depend on,helping,4)That /It (all) depends. 那得看情况而定,He may offer amounts of help to