冀教版英语必修3 Unit3 The Computer Section 1 PPT.ppt

unit3section1 section1课件一reading1whendidthefirstcomputerinvented a1950sb1960sc1940sd1930saccordingtothetext theanswerisa2thankstothe computersarenowcheapandconvenient andareconstantlyimproving answer siliconchips3whatdoyouthinkofthechip thechipisthecoreofacomputeranditistoacomputerasisthebraintoahuman 4whateventscanshowthecomputerhasimpruvedmodernlife 1 email插图2 achatline插图3 makingstudyingandteachingmoreconvenient插图4 downloadingsomeusefulinformation插图 asksstolistasmanyadvantagesaspossible5whatshowsitisn tpositive 1 crimebyinternet插图2 agreatmanyaddictedteenagers插图3 porno黄色书刊 插图4 badsites asksstolistasmanydisadvatagesaspossible 二keywords1 affectvt影响 thechangeinclimatecanaffectyourhealth effect n 影响 构成短语have hasa an effectonsb sth 要注意这种形式在定语从句中的应用 如 theeffectthemedicinehadonpatientswasobvious 警告 effort 努力n 构成短语makeaneffort effortstodosth sparenoefforttodosth 2 convient adj 方便的 常用物做主语 不修饰人 如 ifitisconvienttoyou pleasedropin 构成结构有 beconvienttosb beconvienttosb 警告 free adj 空闲的 构成结构sbbefree 3 prefer v 喜欢 构成短语 prefersth prefertodosth prefersbtodo prefertodo ratherthando 如 1 whowillwinthegame ipreferclasstwoto2 iprefertowatchtvratherthanhangaboutonsundays 警告 sbprefertodo ratherthando 可以将ratherthando 放在句首 如 上句可以改为 ratherthanhangabout iprefertowatchtv 4 anyway adv 相当于anyhow1 再说 i vedecidedtopostponetheideaofdoingacourse andanywayigotaccepedbythecouncil 2 不管怎么说 icangiveyoualiftifyouwait no i llwalk thanks anyway 3 至少 allofthem some anyway 4 究竟whatareyouphoningfor anyway 5 available adj 可得到的 可利用的 1 isthebookavailablehere 2 thereisnotenoughdrinkingwateravailableinthevillage 8 upset v adj 不安的 使 不安 1 hewasupsetwhenheheardthenews 2 dowhathewants oryou llupsethim 警告 upset ratherunhappy nervous ratherafraidanxious worried 三 keyphrases1 getthrough1 通过考试althoughhetriedhisbesttodoit hecould tgetthroughtheexam 2 打通电话thelineisbad ican tgetthroughtoroom211 警告 gothrough的用法 经受 experiencegothroughtoomuchhardship穿越gothroughwith finish 还有注意下面几个get短语的用法 getalong on vt vi 与 相处 进展 hecangetalongwellwithhisclassmates howistheprojectgettingon getaround about行走 到处走动 消息 传开 避开hebrokehislegandcouldn tgetaround it sgettingaboutthatthepeacetalkshavebrokendown aromourgotroundthattheconferencehasbeencancelled 四 句型 1 倍数 比较级1 倍数 as as 同级比较 heatetwiceasmanyapplesasi 2 倍数 more than 不同级比较 heateoncemoreapplesthani 3 倍数 thesize weight length height of 其它比较 ourclassroomisthreetimesthesizeoftheirs 警告 1 倍数必须放在比较级前 2 在同级比较中 第一个as是adv所以其后必须是adj adv 3 注意比较成分的对等性 2 not all both everyone everything 构成部分否定形式 意思是 并非 都 notallprovedright bothofusdon tagreewithyou it saninterestingfilm butnottoeveryone staste 警告 all both everyone everything的完全否定词是none neither noone nothing 3 itallbeganwhen 开始于 1 itallbeganwheniwasachild 2 itallbeganwhenigraduatedfromshandongnormaluniversity 4 asifclause这个结构常用于虚拟语气 对现在虚拟用一般过去时 be动词用were 对过去虚拟 用过去完成时 1 apartofachopstickisinwateranditlooksasifitwerebroken 2 itseemedthatasifhehadknownmewell 警告 如果表达是一个事实 就不用虚拟 如 itseemsthatitisgoingtorainbecauseofmuchcloud 五 explanation1itallbeganwheniwenttoaninternetcafeafterschool itallbeganwhenclause意思是从 开始 其中it可以改为this that 2firstofallicheckedmyemailandsignedontoachatlineafterall aboveall firstofall1 afterall毕竟 终究pleaseforgiveher afterall heisachild 2 aboveall最重要的是 mostofall mostimportantofallineedaniceroom aboveall it scomfortable 3 firstofall首先 表顺序 firstofall letmeintroduce