人教版高中英语选修八课件：unit 2 第二学时　learning about language.ppt

《人教版高中英语选修八课件：unit 2 第二学时　learning about language.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、英语·选修8(人教版)第二学时　LearningaboutLanguage要点讲与练1．Thinkabouthowtheydiffer.(p.10)想想他们有什么不同。词语链接要点讲与练differvi.不同，相异differfromsb./sth.与……不同，有区别differencen.差异，差别，不同之处differentadj.不同的，不一样的，有区别的bedifferentfrom与……不同，有区别tellthedifferencebetweenAandB说出A和B的区别havedifferencebetweenAandBA与B有区别即学即练要点讲与练选

2、用上述词语完成下列句子。(1)Thingsintheworld____________eachotherinathousandways.(2)Itiseasyto_______________________________betweensteelandiron.(3)French________greatly________Englishinpronunciation.(4)Theroomlooks__________afterpaintedwhite.differfromtellthedifferencediffersfromdifferent要点讲与练(5)

3、Thelifeoftherichisquite____________thatofthepoor.(6)Thetwins________widelyintheirtastes.differentfromdiffer要点讲与练2．Whatproblemsmayarisewhenhumansarecloned?(p.10)当克隆人类时，有可能引起哪些问题？词语辨析：arise，rise，raisearisevi.(arose,arisen)庄重用词，已成旧用法，指“上升，出现，发生，造成”。risevi.(rose,risen)表示事物本身由低处移到高处。可引申为“起

4、床”。raisevt.(raised,raised)把事物从低处移到高处，有时指提高价值、名誉、地位，又可指“抚养，饲养，筹集”。AnewproblemaboutOnlyChildPolicyaroseinthemeeting.在会议上出现了关于独生子女政策的新问题。Beforetheycouldstart,amistarose.他们出发之前起了雾。Thesunrisesintheeastandsetsinthewest.日出东方，落于西方。Weraisedthepriceofpotatoes.我们提高了土豆的价格。即学即练要点讲与练用arise,rise,rai

5、se的适当形式填空。(1)They________theflagat9：00everymorning.(2)Everybodyexpectsa________inwageswiththerapiddevelopmentofeconomy.(3)Manyproblems____________________________________ifheknewthefacts.raiserisewouldarise要点讲与练(4)Mr.White，agenerous，helpful，hardworkingperson，who________earlyeveryday，_

6、_______fivehomelessorphansintherecenttwoyears.Meanwhilehe___________10，000，000yuantohelptheHopeProject.Besides,wheneveranychallengingproblem________，healwaysencouragespeople________theirhandsandtoputforwardtheirvaluableideas.Ashetriestohelpto________thesocialpositionofthelocalworkingc

7、lass，heisregardedtobeahero.riseshasraisedhasraisedarisestoraiseraise要点讲与练3．Ithappensinplantswhengardenerstakecuttingsfromgrowingplantstomakenewones.(p.11)当园艺工人剪下植物枝条使之长出新的植物时，克隆就发生了。词语辨析：happen，occur，takeplace，comeabout四词都有“发生”之意，均为不及物动词，无被动语态。但有区别。happen是一般用语，词义较广，强调事情发生的偶然性。occur用法较

8、正式，既可