Unit 3 Lesson 1 &lesson2知识点 ppt课件-（2020）新北师大版高中英语选择性必修第一册.pptx

1、选必一 Unit 3 L1-L2知识点1. How many times up to today has life on Earth almost died out?die out 消失，灭绝The species(单复同形） has nearly died out because its habitat（栖息地） is being _ (destroy).The wind died away at dust.Many trees are dying off for _ (lack/lacking) of water.destroyedlack2. Extinctions, where ent

2、ire species are wiped out, are not unusual in our Earths history.wipe out 彻底毁灭，抹去 wipe 擦wipe away 擦去wipe her eyes with a tissue 用.擦.wipe up 擦干wipe the sweat from/off his forehead 从.擦去.The disease _ (威胁) to wipe out the entire population.threatens3.These include the third mass extinction, known as “G

3、reat Dying”, which killed 90% to 96% of all species.(1) adj. 大量的mass _ 批量生产 mass _ 大灭绝the problem of mass _ 大批人失业的问题 (2) n. 大量 （a mass of + C/U + 谓语复/单)A mass of books _(be) distributed to Project Hope.There _ (be) masses of people in the stores yesterday.lmess n.肮脏，杂乱 messy adj.凌乱的The room was in a

4、 mess.productionextinctionunemploymentarewere4. And the fifth event, which occurred 66 million years ago, caused the death of the dinosaurs.occur vi. 发生 occurring/occurred(sth) occur(s) to sb. （想法）浮现于sb.脑海中It occurs to sb to do sth sb.想到做sthIt occurs to sb that. sb.想到.It occurred to him that he had

5、not _ the light _ （关灯）.It occurred to me/hit me/ struck (strike) me that I should found a company of my own.switchedoff5. The reasons for extinctions are varied.varied adj.各种各样的（单/复） vary v. 相异 various adj. 各种各样的（复） variety n.种类Our school provides a varied diet for students.The _(long) of the wires

6、vary between 25cm and 50cm.He is always having various/ a variety of / varieties of reasons for being late.lengths6. According to scientists, they include volcanic eruptions, asteroids hitting the Earth from space, changes in sea levels, the decrease of the oxygen content of the sea and global warmi

7、ng.decrease / fall / drop by 了/ to 到increase by / toThe charge for transportation is on the decrease because of lower fuel costs.7. This time, human activity will be to blame.vt. 责怪blame sb for (doing) sth. 因（做）sth.而指责sb.be to blame （for sth) （主动表被动）n. 责备 accept/ take the blame for. 为.负责We should bl

8、ame the man for the dying out of some species.It is his carelessness that is to blame for his being injured.8. A 2015 study.looked at how quickly species die out due to natural causes.due to / owing to / because of / thanks to 因为 / 由于be due to do sth. 预期的The boat is due to arrive at 12 oclock.Becaus

9、e of / Owing to the snow, the flight has been cancelled.9. It is clear that human activity has negatively affected all other species on Earth, including animals and plants.affect v.影响 be affected by.affection n.喜爱have a great affection for. 非常喜爱.have an effect on. 对.的影响Does television have an effect

10、 on childrens behaviour?By her conduct we can judge whether she has an affection for the poor boy.10. Of course, as we humans depend on so many species for our survival, we would also be at risk of dying out.be at risk 处境危险take the risk of doing sth.冒险做sth.be at the risk of doing sth.risk (ones life

11、) doing sth. 冒险做sth. a narrow escapeHe risked losing the opportunity of _(hire) by the company to point out the mistake of the employer.being hired11. store n.商店 v. 贮存animals storing up food for the winterrestore v. (使)恢复Such kindness restores your _（信任） in human nature. (=makes you believe most peo

12、ple are kind)faith12. set out 开始做；出发(1) set out to do=set about doing 开始做(2) set out for sp. =set off for sp. =leave for sp. =head for sp. 出发(3) set up 创建=found=establish (4) set aside 把.放到一边；省出13. consume v.消费；消耗consumer n.消费者consumption n.（能量、食物、材料的）消耗；消费The electricity industry consumes large amo

13、unts of _（化石燃料）.消费者权利 consumer _消费型社会 a consumer _（= one where buying and selling is considered to be fairly important) fossil fuelsrightssociety14. waste v&n 浪费v. She wasted no time in _ (拒绝）the offer. 翻译： Dont waste your sympathy on him-he got what he deserved.ln. a waste of timeladj. wasteful sin

14、ce: 自从；因为；既然 Visit fast food restaurants less often, since they make us be more wasteful_（消费者）. rejectingconsumer15.Plastic packets keep the coconut clean during the transportation process. transportation n.交通运输系统 = transport n&vtransport.from sp.1 to sp.2 Believe it or not, this magic carpet can tr

15、ansport you to any place you like.翻译： The patient was transferred to another hospital. She translated poetry into English.16. realistic adj.现实的，实际的real adj. 真实的 really adv.实际上reality n.现实 realize vt.实现VR= _The packaging should be changed so that its _（可回收的）. But lets be realistic: we still need pack

16、aging.virtual realityrecyclable17. I think we need a more innovative solution. I really believe we should do away with packaging completely. There is a supermarket in Germany that has no product packagingbat all. Its customers take refillable containers with them when they shop, and use them instead of plastic boxes and bags. innovative adj. 创新的 innovation n.创新do away with 拜托，废除fillrefill refillable adj.可再次填充的contain v.包含container n.容器