Unit4AmazingScienceTopic3SectionC课件九年级英语上册

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionC

Teachingaims1.把......介绍给某人2.过去常常做…3.被…控制4.用…做…5.几乎不懂电脑技术6.建议某人(不)做…7.使…做…8.更好地服务某人9.谢谢你的…10.并且，和…11.下决心做…12.随着……的发展13.询问某人关于某事14.做某事的一种方式Revisioninclass④先行词表人用who/that,主语，宾语，表语.先行词表物用which/that,主语，宾语，表语.先行词表人或物的，用whose,即whose+n.

先行词表时间用when,状语先行词表地点用where,状语先行词表原因用why,状语

▲.1.当关系代词在从句中作主语时不能省略，作宾语时则可以省略.2.当先行词被序数词、形容词最高级修饰或是不定代词或既有人又有物时，关系代词只能用that，而不能用which.e.g.Thisisthebest

film

thatIhaveseen.3.关系代词在定语从句中作主语时，从句的谓语动词的人称和数须和先行词一致。e.g.I

don’t

like

people

who

talk

much

but

do

little.Haveyouseenthefilm_________iscalledKungfuPanda?Thisfilmmainlytellsusastory__________happenedinancientChina.Oneofthemaincharactersinitisapanda_________isveryfatbutcute.Hehasquiteafewfriends_________helpedhimstruggletobringpeacebacktotheland.Manypeople_________haveseenthefilmlikeitverymuch.

that/which

that/which

that/which

that/who

that/who√√√√√√√√1b.1.Read1aandfindoutthetopicsentenceofeachparagraph.

Paragraph1:Paragraph2:Paragraph3:SincetheInternetcameintobeing,people’slivesathomehavebeenchanged,too.Computershaveimprovedourlives,buttheyhavebroughtproblems,too.usageproblemworkdailylife1.____________________________ofaspaceship.2.helpdoctors_____________________________.3._______________________________infactories.4.helpbusinessmen_____________________.1.playgamesand__________________________.2._______________and_____________athome.3.___________________bysendinge-mailsand_______________________________.1.getheadachesor_____________________.2.don’thaveenoughtime__________________.3.somethingonInternetisnot________________.controlthespeedanddirectionfinddiseaseseasilycontroltherobotsplaceandcancelorderswatchmoviesdoshoppingdobusinesschattingonlinesoreeyestostudyorexercisetrueorgood1b2.Completethefollowingdiagram.

LanguagePoints1.doubt（可数名词），意为“疑惑、疑问”

withoutdoubt“毫无疑问”doubtabout/of......怀疑.......在肯定句中doubt+whether/if从句，怀疑是否……在否定句中don'tdoubt/nodoubt+that从句，毫无疑问......(thereisnodoubtthat...无疑、毫无疑问......)eg.ThereisnodoubtthatTonyisthebestinourclass.Idon'tdoubtthattheywillbeabletosolvetheproblems.Idoubtwhether/ifhe'llchangehismind.Thereisnoreasontodoubtofhishonesty.2.beusefulin...在某方面非常实用3.withthehelpofsb./sth.=withoneshelp在......的帮助下LanguagePoints4.forinstance=forexample用来举出具体的事例suchas一般用于列举同类人或事物中的几个例子5.connectv.连接;把……联系起来connectAwithB使A与B连接connectsth.(tosth.)使电、气、水等接通connectsb./sth.(withsb./sth.)与……有联系，把……联系起来6.keep的用法1)保存;遵守;饲养2)短语：keep(on)doingsth.意为“继续做某事，一直做某事”LanguagePoints

keepsb.doingsth.意为“让某人一直做某事”

keep...awayfrom...意为“使......避免接近......；使......远离......”

keep/stop/pteventsb.fromdoingsth.意为“阻止某人做某事”

keepsb./sth.+adj.使......保持......状态7.bedangerousto...意为“对......有危险”。8.instead与insteadof的区别：insteadof（介词短语），后跟名词，代词或动名词。e.g.NowIcandrivetoworkinsteadofwalking.现在我可以开车去上班而不必步行了。instead（副词），常位于句尾，位于句首时，其后面有逗号。e.g.Hedidn’treply.Instead，helefttheroom.9.besides（副词），意为“而且，还有”，用于句首、句尾，也可用于句中，常用逗号与句子其他成分隔开。

e.g.Besides，winningorlosingisonlyhalfofthegame.besides(介词)，意为“除......之外（还有）”，强调除了的部分也包含在内，是一种累加的关系。e.g.Thestudentswenttothezoobesidesmyteacher.except(=but)意为“除......之外（没有）”，是一种排除关系，有“减除”之意。e.g.WeareallhereexceptTom.10.thanksto

多亏，由于thanksfordoingsth.因...而感谢11.since+一般过去时态的句子/过去的时间点/一段时间+ago，用于现在完成时态之中，且这个现在完成时态的句子中的谓语动词要用延续性动词。eg.Hehaslivedheresince1999.HehasbeenawayfromChongqingsince10yearsago.12.现在完成时态结构：主语+have/has+done+其他；现在完成时的被动语态：主语+have/hasbeen+done+其他。eg.Wehaveplantedmanytreesonthemountain.=Manytreeshavebeenplantedonthemountainbyus.Exercisesinclass毫无疑问让某人一直做某事做生意在某人的帮助下例如订货和取消订单出故障出现，产生多亏像平常一样而不是，取代打开/关掉/开大声点/关小声点ExercisesinclassBCDAB