高中英语 Book 7 Unit 2 Global Warming课件 冀教选修7

1、2021/8/11 星期三1Unit Two Global Warming2021/8/11 星期三22021/8/11 星期三32021/8/11 星期三42021/8/11 星期三5The earth is our most precious resource. It gives us life; it is where we live. What will the world like in a hundred years?While scientists might disagree about the effectsOf global warming, they agree that

2、 it is happening, and that it will change the face of the planet. 2021/8/11 星期三6 Cheat the earth and the earth will cheat you. Chinese Proverb2021/8/11 星期三72021/8/11 星期三82021/8/11 星期三92021/8/11 星期三10The beautiful earth is our home.Do you love to live here?2021/8/11 星期三11garbagedeforestationdesertifi

3、cationStarvation2021/8/11 星期三12Air pollution2021/8/11 星期三13deforestation2021/8/11 星期三14Water pollution2021/8/11 星期三15The area of desert is growing. desertification2021/8/11 星期三16too many sheep and cattleall the grass be eaten grass never grow again ; the land become desert2021/8/11 星期三17trees be cut

4、 downnothing to holdsoil be blown awaysoil be washed away2021/8/11 星期三18trees be destroyedfish be killed2021/8/11 星期三19smog2021/8/11 星期三20most serious problems2021/8/11 星期三21Water pollutionTrash/GarbageAir Pollution2021/8/11 星期三22DeforestationDesertificationStarvation2021/8/11 星期三23After seeing the

5、pictures, do you still enjoy living on the earth?2021/8/11 星期三242021/8/11 星期三25Read the passage and tell the main idea of the dialogue.Debates about the reasons for the globe warming.2021/8/11 星期三26 True or False or INP1. The play is set in Beijing, where an international conference on climate chang

6、e is being held.2. Scientist No. 1 is optimistic, and Scientist No. 2 is pessimistic, about globe warming.3. Scientist No. 2 believes that we have misread and misinterpreted changes in temperature.4. Smokestack Industries are from Hong Kong. 5. Carbon dioxide comes from factories.6. The play tells u

7、s that we are safe, that trees are continuing to grow, and that the earth will last millions of years.FalseFalseTrueINPTrueFalse2021/8/11 星期三27Read and look for information:1.List three things Scientist No. 1 mentioned to support her idea that we are in danger.Industrial activity by humans is produc

8、ing much pollution.A sort of greenhouse now surrounds the earth.The greenhouse allows the suns ray in, but prevent harmful gases from escaping.The warm weather will cause big changes in forestry and agriculture2021/8/11 星期三282. List four things Scientist No. 2 mentioned in support of his idea that t

9、hings are not any worse than they were.Many factors are causing the earths temperature to rise.Most of our temperature-measuring devices are located in cities, which have millions of people and created their own “heat islands”.This might exaggerate temperature reading.Even if climate warming does oc

10、cur as predicted, it will not be the first time in the earths history.2021/8/11 星期三293. The main idea of what Smokestack Industries said is:I need coal / oil( fue, energy)4. The main idea of what Automobile said is:5. The main idea of what the Earth said is:I need gas and oil after all.I expect to b

11、e here for a long time, and I need to be taken care of.2021/8/11 星期三30discussion1.How does the greenhouse effect develop?2. What role do trees play in achieving our environmental balance ?2021/8/11 星期三31Language points:1. sb. be believed to be/do It is believed thatIt is reported that another man-ma

12、de satellite has been put into orbit.believed /said /reported/considered/thought/supposed/known/expected/announced/decided/declared/understood / predicted预计Another man-made satellite is reported to have been put into orbit.2021/8/11 星期三322. if not centuries.The flu is believed _by viruses that like

13、to reproduce in the cells inside the human nose and throat. A.causing B.to be caused C.being caused D.to have causedIf necessary, you can use my car. If in doubt, ask a policeman.If left untreated, his illness could result in blindness. if not / if any / if ever / if so2021/8/11 星期三33Ill go if youre

14、 going - If not, Id rather stay at home.(要不)They knew they had to save the trees. If not, theywould have no word at all. (不然)There are few people nowadays, if any, who remember him. She seldom, if ever, goes to the cinema.(几乎; 即使也)2021/8/11 星期三343. be released byv/n 放开,释放;免除,解除 She didnt struggle ,

15、releasing her hands. 没有透露 The latest developments have just been released to the media. allow sth to be made knownv / n. 发布(新闻,消息); 发行(书,电影,唱片) The police have released no further details about the accident. The actors new film will be released next month.The new software is planned for release in A

16、pril.2021/8/11 星期三35(在进行, 在举行)4. be under way - having started and and making progressThe project is now well under way.A battle to conquer nature got under way.-Dont you agree? -Oh, absolutely! 5. Absolutely! - Yes / Certainly / Quite so(正是,那当然,对极了)Its absolutely impossible.(绝对地,完全地) =completelyYou

17、 are absolutely wrong.I know absolutely nothing about it.(确实地,全然地)= at all2021/8/11 星期三366. The report makes it perfectly clear that1)believe, consider, think, find, feel, find, makeWe find it difficult that we should finish the work on time.They make it a rule that they do morning exercises.2)动词+介词

18、构成的短语后接that 从句时,要用形式宾语it我们发现很难按时完成这个工作.他们习惯于每天做早操.I shall see to it that he is taken good care of when you are absent. 保证/ 确保，务必让 it 做形式成分We are thinking of it that well lend you some money.2021/8/11 星期三37I hate it when people talk with their mouths full. 3) like, enjoy, love, hate, takeI like it in

19、 the autumn when the weather is clear and bright.We took it for granted that he would come.You may take it from me that he is honest.2021/8/11 星期三387. With all due respect, 尽管对阁下尊敬之至 (用于客气地对对方的观点提出异议)With all due respect, I must disagree with whatyou have just said.(恕我直言)I think you are wrong in man

20、y respects.Give him my best respects. 8. By all means.- Of course / Certainly. - Shall I ask him to come in?- By all means.We must get there by all means before he goes away. = by every means (想尽一切办法,一定要)= aspect(s)2021/8/11 星期三39by no meansby this meansby means of = not at all 决不,一点都不= in this way= by using sth /with the help of 用,借助于济南决不比杭州美丽.By no means is Jinan more beautiful than Hangzou.Thoughts are expressed by means of speech.means n. 方法,手段 (单复数同形)All possible means_been tried.Taking a plane is _quickest means of getting t