河南省某高中高中英语 Unit22 Environmental Protection（2）拓展案 北师大版选修8

课题：Environmental ProtectionLearning aims:A: Learn and recite the new words in lesson 1.B: Keep the important words, phrases in mind.C,D: Have the detailed information by reading the passageImportant and difficult point:How to understand the passage thoroughly.Step I 词汇回顾 （A级）Step II Language points.(B,C级)Para 21. Global warming refers to an average increase in the Earths temperature that, in turn, leads to climater change.译文本句是主从复合句，that引导 从句，修饰 。refer to lead to 两个to 都是 词。in turn【链接】in return 作为回报by turns 轮流，依次Its ones turn to do sth. 轮到某人做某事。take turns to do sth.= take turns doing sth.= do sth. by turns 轮流做某事【经典回放】The president spoke at the business meeting for nearly an hour withouthis notes.A. bringing upB. referring toC. looking forD. trying toA clean environment can help the city bid for the Olympic, whichwill promote its economic development.A. in natureB. in teturnC. in turnD. in factWe firmly believe that war never settles anything. It only violence.A. runs intoB. comes fromC. leads toD. begins with2. Without these naturally occurring gases, the suns rays back into space leaving the Earth cold and impossible to live on.译文【句法分析】本句为without引出的含蓄虚拟条件句，与 相反；leaving.为现在分词短语作 (A 定语 B状语)含蓄虚拟条件句虚拟的条件不一定总是用if引导，有时可以用一下表达：介词（短语）with, without, under, but for等Plants would die without water on the earth.连词or, but或otherwiseHe would have given you more help, but he was too busy.不定式短语作状语He would be stupid not to accept that offer.分词短语This asme thing, happening in wartime,would amount to a disaster.【经典回放】But for the help of my English teacher, I the first prize in the English Writing Competition.A. would not winB. would not have wonC. would winD. would have wonA small plane crashed into hillside five miles east of the city, all four people on board.A. killedB. killingC. killsD. to killPara 31. Over the last 100 years, the global average temperature has increased by 1F and many experts insist that the blame for this global warming can mostly be pinned on human activities.译文insist表“坚决要求.”时，从句的谓语动词用“（should）+动词原形”表示虚拟语气；表“坚持某一事实或坚持认为”是用陈述语气。eg: Insisting that Tom had stolen his car, Mr. Smith insisted that he be put into prison.blame blame sb. for. 为.责备某人blame sth. on sb. 把. 归咎于某人be to blame for sth. 该为某事受责备，该为某事负责任Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one .A. blamedB. blamingC. to blameD. to be blamedpin the blame on 把责任推到.上pin ones hope on 把希望寄托在.上2. The amount of carbon dioxide in the atmosphere has risen by more than 30 in the last 250 years with half of this increase occurring since 1960.译文【回顾】with 复合结构with+n./pron.+形容词/副词/介词短语/不定式/现在分词/过去分词在句中常作定语或状语。eg: She saw a brook with red flowers and green grass on both sides.With nothing to do, he went to sleep.You have no idea how she finished the relay race her foot wounded so much.A. forB. whenC. withD. whilePara 4A temperature increase of 1F may not sound like a lot, but if we continue to produce carbon dioxide and other gases in such huge quantities, we are condemning life on Earth and should expect severe consequences.译文condemn谴责，指责 condemn sb./sth for sth. 因. 谴责某人/物eg:She condemned her son for his behavior.宣判；判处 condemn sb. to sth. 判处某人. 刑eg:The judge condemned the man to ten years in prison.迫使.接受困境（或不愉快的状况）condemn sb. to sth. 迫使某人接受.宣告使用.不安全 condemn sth. as sth. 宣告使用.不安全Para 51. But why wait around for governments to take actions?wait for sb. to do sth 意为 take action 意为【拓展】take measures/steps to do sth. 采取措施做某事2. Experts advocate that each peason play their part.advocate vt. 主张，提倡，支持 advocate sth. 提倡某事搭配 advocate doing sth 主张做某事advocate that-clause 提倡.注意：当advocate后跟从句时，要用虚拟语气，由should加动词原形构成，should可以省略。eg:The report advocated that all buildings (should) be fitted with smoke detectors3. After all, theres no substitute for our Ear