人教版高中英语必修3Unit-4课件Unit-4.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. plantsoxygensurfacemultipliedoceansencouragedshellfish and al

3、l sorts of fishgreen plants in timeinsectsamphibiansreptileslaid existed extinct spread gave birth to multiplied harmfulRevision:Reading :Para 1:1)according to 2) begin with 3) in all directionsPara2:4)settle into 5) violent 6) explode 7)in time8) atmosphere 9)cool downPara3: 10)allow sb/sth to doPa

4、ra4:11)later 12)for the first time 13)lay eggs 14)exist15)be different from 16)give birth to Para5: 17)spread 18)in ones turn 19)preventfrom 20) depend on The wife suffered a lot from domestic _(家庭暴力). Her husband was a _ (粗暴的) man. He often beat the poor wife _(猛烈地,粗暴地). One day, there was a _(狂风 )

5、 wind. Luckily or unluckily, the husband died a _ death (惨遭横死).1.violent violence violentlyviolenceviolentviolentlyviolentviolent It is a tradition in China to _ fireworks to celebrate the Spring Festival. But some fireworks may be highly _. The _ may get people seriously burnt. So we can often see

6、some parents _ in/with anger when seeing their children playing with fireworks. explodeexplosiveexplosionexplode2. explode v. explosion n. explosive adj.1)Fred and Jim did not like each other at first, but in time they became friends. 2)We were just in time for the bus.3)You will realize how your pa

7、rents love you in time.及时及时; 最终最终; 总有一天总有一天;及时最终总有一天in time与time相关的短语:at timeson time at one timeall the timeonce upon a time一直一直按时按时; 准时准时有时有时; 不时不时曾经，一度曾经，一度从前从前3.in time （1） 大气层大气层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 atmosphere includes 、 、 、 and other gases. （2） 气氛气氛2) Completely lost in the

8、 exciting of the football match, Tom didnt feel his pocket picked.A scene B view C atmosphere D sightwater vapournitrogencarbon dioxideoxygen4. 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 get cool. 2) I knew I had to keep cool. 3) His play received a cool response fro

9、m 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 adj./v.allow+doing allow sb. to do 主语+be allowed to doMy father doesnt _ _at hom

10、e. 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 smokingallow us to smoke6. allow2)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?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 l

11、ate 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 school. 4) Have you heard about the latest news? 7. laterlielielay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搁,放,下蛋1)The naughty boy _ to me that t

12、he 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; laidlaylainlying躺，位于liedliedlying撒谎laidlaidlaying8. lay eggs2)2)翻译翻译: : 他把他的书放在桌子上。他把他的书放在桌子上。He laid his book on the desk.existence e into existenceexist on 靠靠为生为生exist

13、in 存在于存在于之中之中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. exhibition4) I can hardly exist _ the wage Im getting. Theres no more money left for luxuries. A. by B. in C. on D. intoexistcome into existence9. exist vi.preve

14、nt 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. preventfrom1)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/ stopthe wolves from eating our sheep.depend on sb. / sth. sb. to

15、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 on4)That /It (all) depends. 那得看情况而定 He may offer amounts of help to me, but it/all depends . 翻译: 他可能会给我许多帮助,那得看情况而定. （1）vi. （消息、疾病等）传开，流传（消息、疾病等）传开，流传好事不出门，坏事传千里。好事不出门，坏事传千里。 Good news never goes beyond the gate, while bad news spread far and wide. （2）vt. 使伸展，延伸，张开使伸展，延伸，张开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(cloth)。12. spread