译林版必修五Unit 3 Science and nature project教案.docx

unit 3 science and nature 教案project: having a debatelead-in1、check the homework exercises2、review some language focus in taskreadinga. we have learned sth. about “man versus nature” in the reading. today we will learn sth. more about this topic. please turn to page 58 and read the “project” in five minutes. then ill ask you to answer some questions to see how well you understand the passage.questions:1、what have people done to nature? (they have done a lot to destroy and damage nature.)2、if we continue in this way, what might happen? the planet we live on will be eventually destroyed.3、which is more important, economic development or protecting nature? why do you think so?4、what is the attitude of poorer nations towards the problem? and what about the attitude of developed nations? (poorer nations pay more attention to economic development but less to the environment while developed nations do things in a different way.)5、do you think the problem of humans winning and nature losing can be settled? if so, can you suggest some solutions?b. decide whether the following are true or false: 1、endless over-development is sure to affect natural resources and destroy nature.2、few will agree that economic development should be stopped in favor of protecting nature.3、many developed countries have seen the effects of the careless use of earths resources.4、humans cant really win without protecting nature.5、people should enjoy healthy and productive lives at any cost.6、people should produce food in a healthy and natural way.7、the poorer the nations are, the faster they use up their natural resources.8、there must be solutions acceptable for both humans and nature and we are sure to find them. 1. t 2. t 3. t 4. t 5. f 6. t 7. f 8. tc. fill in the article with suitable words: people have done a lot to _ nature by overdeveloping earths _ and byconstructing new water channels, building new factories and creating _ with industrial waste. some people think that something that is best for nature may do no _ to people. we are only doing what humans have always done, using nature to _ our own needs. many developed nations care to _ nature now, while many _ nations are stillusing up natural resources at a fast rate. the developing and developed countries need to _ _ to ensure that people enjoy healthy and productive lives without the environmentaround them _ . humans have to find solutions that everyone and everything can _ .(damage, resources, pollution, good, meet, save, poorer, work together, suffering, accept)discussion there are four paragraphs in this reading. lets divide our class into four groups. each group read and discuss one group. after discussion, please report the main idea of each paragraph.para. 1：natural resources have been seriously affected by carelessness.para. 2：different attitudes towards the problem.para. 3：humans are moving towards an important point in the relationship with nature.para. 4：humans can only really win by protecting nature.language focus1、over-：过度的、超越的 over-crowded、overdo(overdid、overdone)、overdress、overflow、overheat、overcharge overtime、overweight、overwork. 但：overall：全面的， overcoat：大衣， overcome：克服， overhead：在头顶、在上空 overseas：海外的2、construct：1) build：建造、构建，construct sth. e.g. they are planning to construct a bridge over the river.when was the building constructed?it took more than three years to construct the qinghai-tibet railway. 2) 编写（文章）、造（句）、建立（理论） e.g. construct a theory, a well-constructed novel construction：建筑、建设： sth. be under construction：在建设中3、in favor of：1) 赞同、支持 e.g. the headmaster spoke in favor of the proposal.they were in favor of free trade.im not in favor of buying so expensive an article. 2) 对有利 = in ones favor e.g. his decision is in favor of the old. the judge passed judgment in favor of the poor.the new evidence is in my favor. * do sb. a favor / do sb. the favor to do sth. * ask sb a favour = ask a favour of sb.4、argue：argue with sb. over / about sth. argue sb. into / out of doing sth.：说服某人做 / 停止做某事。 argue for sth.：主张 argue against ：据理反对 argument5、spell：vt.意味着、招致 = result in、cause、lead to；拼单词 e.g. those dark clouds spell rain.does laziness always spell failure?lack of rain can spell disaster for farmers.how do you spell your name? spell out：拼出、阐述、详细说明 e.g. we had to spell the main points out to them.6、rate：比例、比率； e.g. the divorce rate, the birth rate, at the rate of：以的速率、比率 a rate、the rate：速度、进度= speed；walk at the rate of 4 kilometers an hour; at a great rate：一非常快的速度 等级、流= class：a first rate hotel at any rate：= in any case； at this rate = in this case7、turn out：结果是、后来情况是 1) + adj. / adv. / n. e.g. it was cloudy in the morning, but it turned out fine.the examination turned out quite easy. / rather difficult.do you think the crops will turn out well this year?the accident turned out a disaster. 2) + (to be) .：sb. / sth. turn out to be e.g. he turned out to be toms father.he turns out to have never been there. the meeting turned out to be very interesting. 3) it turns out that ：结果 e.g. it turned out that he was toms father.it turns out that he has never been there.it turned out that this method did not work well. 生产、制造、造就（人才） e.g. the factor