高中英语人教版Unit3Computers 一等奖

必修2Unit3ComputersLanguagepoints【学习目标】学生能够了解掌握重点单词的用法，并能基本理解文章大意。【学习重点，难点】Theusageofthelanguagepointssuchassimplify,solve,from—on,explore,asaresult,anyhow.预习检测(学生活动)1.Checktheexercisesinexercisesbook.somestudentstoretellthepassageintheirownwordsstudentstolearnthelanguagepointsinexercisebookbythemselves导入新课，展示目标（教师活动）目标：1.Learnthewordsandexpressionsappearinginthereadingtime,sum,goby,asaresult,anyway,so…that.2.Understandsomedifficultandlongsentences.Leadin1.Getthestudentstoreadthereadingpassageagaintounderlineallthenewwordsandusefulexpressionsorcollocationsinthepassage.2.Dotheexercisesindiscoveringusefulwordsandexpressions互动探究，小组展示（生生互动）languagepoints1.自学(1)words:common,compare,anyway,goal(2)phrases:asaresult&asaresultof(3)sentencestructure:by引导的时间状语As&with“随着”2.Checktheanswerswithgroupmembersanddiscussthedifficultpoints.师导生学，释疑解难（师生互动）I.wordsAlthoughIwasyoung,Icansimplifydifficultsums.sumn.总数，总和；算术题；金额，钱数；v.共计，加起来固定短语：insum=inaword总之sumup总结，概括alargesumof大量，许多（修饰不可数名词）拓展：表示“总之”的短语有：tosumup,insum,inshort,allinall,inaword,inbrief例句：Thesumoftwoandfiveisseven.Itwillcostanenormoussumtorepairtheswimmingpool.Insum,theplanfailed.总之，这个计划失败了Hegavemealargesumoffood.他给了我很多食物。Now,sumupyourviewsinafewwords.Ⅱ.重点短语句型突破1.Astheyearshavegoneby,…随着（1）goby经过(某地)；(时间)过去；(机会等)失去；遵循，依据……办事goby=pass①Acarwentbyatfullspeed.一辆汽车全速驶过。②Theweekswentslowlyby.一星期一星期慢慢地过去了。③Don'tletthischancegoby.不要错失这次机会。④Thatisagoodruletogoby.那是需要遵守的好规章。（2）asconj.随着……，引导时间状语从句。表示“随着……”时，也可以用with，而with用作介词,后接名词短语,形成with复合结构。Eg.Astimewenton,Einstein'stheoryprovedtobecorrect.随着时间的推移，爱因斯坦的理论证明是正确的。Withthepassingoftheyears,theyhavebecomeclosefriends.几年过去了，他们已成了亲密朋友。2.Overtimemymemoryhasdevelopedsomuchthat,likeanelephant….(1)overtime随着时间=withtimegoingon/by=Astimewenton/by(2)so+形容词(副词)+that….such+名词+that….①so…that引导结果状语从句，其结构是：so+adj.／adv.+thatso+adj.+a(n)+单数可数名词+thatso+many／few+可数名词复数+thatso+much／little+不可数名词+that②such…that也可引导结果状语从句，其结构是：such-+a(n)+adj.+单数可数名词+thatsuch+(adj.)+不可数名词+thatsuch+(adj.)+可数名词复数+thatHewassoexcitedthathecouldnotspeakHeransofastthatIcouldn’tcatchupwithhim.③sothat---因此,结果Hegotuplate,sothathedidn’tgettoworkontime.Thestoneissoheavythatnoonecanliftit.Weleftearlysothatwecouldcatchthefirsttrain.④so+形容词(副词)+that….结构中so+形容词(副词)在句首时,句子用倒装结构Heworkssohardthatheseldomgoeshome.Soharddoesheworkthatheseldomgoeshome.当堂达标检测1.SometimesIreallywonderhowIcanmakefriendswithamanwhohasalot_______withme.A.inordinaryB.insimilarC.thesameD.incommon2.______productionupby60%,thecompanyhashadanotherexcellentyear.A.As B.ForC.WithD.Through3.MyfriendMikewasverysickwithfever._________,hecouldneithereatnorsleep.A.AsaresultB.After