Unit2SavingtheEarthTopic2Alltheseproblemsareveryserious.SectionA【学习目标】谈论森林和水资源的重要性，培养学生的环保意识。【预习案】一、读1a，回答1b.二、在文中找到并划出下面的短语1.刮大风2.制定规章制度_3.走在路上___________________________4.刚才_______________________________5.砍伐太多的树木_____________________6.造成沙尘暴_________________________7.结果_______________________________8.大量富饶的土地_____________________9.变成沙漠____________________________10.阻止大风刮走泥土_______________11.阻止流水冲走泥土__________________12.对人类有害_______________________13.绿色长城__________________________14.需要做一些保护环境的事情__________15.形成_____________________________16.完全灭亡,灭绝_______17.处于……的危险中___________18.尽最大努力_____1【探究案】在文中划出下面的句子并分析1.Whatbadweather!译：____________________________________总结：What引导的感叹句---a.What+形容词+不可数名词/可数名词复数！b.What+a/an+形容词+可数名词单数！练习：1）多么繁忙的一天呀！2）多么大的雪呀！_______3）多么艰苦的工作呀！_4）多么轻松地工作啊！5)多么美丽的花呀！____________________2.Asaresult,alotofrichlandhaschangedintodesert.译：________________________________________点拨：change…into…（把…变成…）=turn…into…练习：1)加热能使水变成蒸汽。Heat______________water________steam.2)他们正在使沙漠变成农田。They________________desert________farmland.3)CouldyouchangethisarticleintoEnglish?译：__________________________________________________3.Treescanalsostopthewindfromblowingtheearthaway.译：___________________________________________Theycanalsopreventthewaterfromwashingtheearthaway.译：_______________________________________Stopfactoriespouringwastewaterintorivers.译：____________________________________________________点拨：stopsb./sth.(from)doingsth.=preventsb./sth.(from)doingsth.---阻止…做某事(from可以省略)链接：同义词组keepsb./sth.fromdoingsth.---阻止…做某事（from不能省略）练习：1)大雨使我们无法外出。a.________________________b.______________________c._________________2)昨天我因病没法去游泳。a.____________________________b.______________________c._________________4.Cuttingdowntreesisharmfultohumanbeings,animalsandplants.译：________________________________思考：cuttingdowntrees是________词短语在句子中作______语，谓语用______数。练习：1)散步是我的爱好。myhobby.2)打乒乓球很有意思。greatfun.3)阅读使人完美。aman.5.Althoughwehavebuilt“TheGreatGreenWall”,westillneedtoworkhardtoprotecttheenvironment.译：_________________________________________________________________点拨：although是词，有“虽然，尽管”和“不过，然而”两层意思，引导状语从句，可以和互换，although较正式，更为口语化，使用更普遍些。注意：although引导的从句不能与but,however同时连用，但常与yet,still连用。练习：a.虽然他老了，但是他仍然继续努力工作。_________he_____old,hestill_________workinghard.b.当时我觉得她错了,不过我什么也没说。_________I_______shewaswrongatthattime,I_____________.【归纳】I.汉译英1.你能就怎样才能学好英语给我们提些建议吗？Canyou__________________onhowtolearnEnglishwell?2.我们必须为保护我们的环境做些有用的事情。Wemust__________________ourenvironment.3.我们应该关心那些处于困境中的人们。Weshould_____________thepeople_________________________.4.如果人人都为保护环境作出贡献，一百年后我们这个世界会是什么样子呢？Ifeveryonemakesacontributiontoprotectingtheenvironment,what________________________inahundredyears?II.改错1.Be...
