unit 4 astronomy- the science of the stars

精品文档2016全新精品资料全新公文范文全程指导写作独家原创1/7UNIT4ASTRONOMYTHESCIENCEOFTHESTARSUNIT4ASTRONOMYTHESCIENCEOFTHESTARSGRAMMARTEACHINGGOALS1TARGETLANGUAGEA重点词汇和短语SUFFER,SETTLE,REALIZE,WORRYABOUT,HAVEGOTTO,TIEUPB重点句子HEWASVERYDISAPPOINTEDWHATITWASTOBECOMEWASAMYSTERYTOSAVEMONEY,YOUMUSTUSEASFEWWORDSASPOSSIBLECPRACTISETALKINGABOUTPROBLEMSINSTUDYORLIFEMYPROBLEMISTHEDIFFICULTYISMYTROUBLEISTHEQUESTIONISMYADVICEISWHATITHINKABOUTITISTHEFACTISMYSUGGESTIONIS2ABILITYGOALSLEARNTOUSENOUNCLAUSESASTHESUBJECT3LEARNINGABILITYGOALSLETSSLEARNHOWTOUSENOUNCLAUSESASTHESUBJECTTEACHINGIMPORTANTPOINTSTHEUSEOFNOUNCLAUSESASTHESUBJECTTEACHINGDIFFICULTPOINTS精品文档2016全新精品资料全新公文范文全程指导写作独家原创2/7HOWTOTEACHTHESSTOLEARNTOUSENOUNCLAUSESASTHESUBJECTTEACHINGMETHODSLEARNGRAMMARTHROUGHPRACTICETEACHINGAIDSCOMPUTERTEACHINGPROCEDURESSTEP1REVISION1CHECKRETELLINGOFTHEPASSAGETHEEXPLOSIONOFTHEEARTHPRODUCEDWATERVAPOR,WHICHTURNEDINTOWATERWHENTHEEARTHCOOLEDDOWNWATERALLOWEDTHEEARTHTODISSOLVEHARMFULGASESINTOTHEOCEANSANDSEASTHATMADEITPOSSIBLEFORLIFETOBEGINTODEVELOPTHEARRIVALOFSMALLPLANTSENCOURAGEDTHEDEVELOPMENTOFEARLYSHELLFISHANDALLSORTSOFFISHMANYMILLIONSOFYEARSLATERTHEFIRSTGREENPLANTSBEGANTOAPPEARONLANDLATERLANDANIMALSAPPEAREDSOMEWEREINSECTSOTHERS,CALLEDAMPHIBIANS,WEREABLETOLIVEONLANDASWELLASINTHESEAWHENTHEPLANTSGREWINTOFORESTS,REPTILESAPPEAREDFORTHEFIRSTTIMELATER,DINOSAURSDEVELOPEDTHEYBECAMETHEMOSTIMPORTANTANIMALSONTHEEARTHFORMILLIONSOFYEARSAFTERTHEYDISAPPEARED,MAMMALSBECAMEMOREIMPORTANTTHEYWERETHELASTGROUPOFANIMALSANDTHEYWEREDIFFERENTBECAUSETHEYPRODUCEDTHEIRYOUNGFROMWIT精品文档2016全新精品资料全新公文范文全程指导写作独家原创3/7HINTHEIRBODIESSMALLCLEVERANIMALS,WITHHANDSANDFEET,APPEAREDANDSPREADALLOVERTHEEARTHASTIMEWENTBY,THEYCOVEREDTHEEARTHANDHAVEBECOMETHEMOSTIMPORTANTANIMALSONTHEPLANET2TRANSLATETHEFOLLOWINGSENTENCES1你迟早会成功的。2我的车与你的不一样。3站在门旁边的那个人是谁4他总是第一个来，最后一个离开。5既然你已经长大了，你自己决定吧。SUGGESTEDANSWERS1YOULLSUCCEEDINTIME2MYCARISDIFFERENTFROMYOURS3WHOISTHEPERSONSTANDINGBYTHEDOOR4HESALWAYSTHEFIRSTTOCOMEANDTHELASTTOLEAVE5NOWTHATYOUHAVEGROWNUPYOUCANDECIDEITYOURSELFSTEP2PREPARATIONSHOWSOMEEXAMPLESENTENCESONTHESCREEN1ATREEHASFALLENACROSSTHEROAD2YOUAREASTUDENT3TOFINDYOURWAYCANBEAPROBLEM4SMOKINGISBADFORYOU精品文档2016全新精品资料全新公文范文全程指导写作独家原创4/75“HOWDOYOUDO”ISAGREETING6WHATSHESAIDISNOTYETKNOWN7THATWESHALLBELATEISCERTAIN8ITSCERTAINTHATWESHALLBELATEWHATPARTDOESTHEUNDERLINEDPARTSERVEASINEACHSENTENCEORFINDITSSUBJECTINEACHSENTENCESTEP3GRAMMAR定义用作主语的从句叫主语从句，它是名词性从句之一。引导主语从句的连接词有连词THAT,WHETHER；连接代词WHO,WHAT和WHICH；连接副词WHEN,WHERE,HOW和WHY。1由WHAT等代词引起的主语从句WHATTHETEACHERSAIDTODAYWASQUITERIGHT老师今天说的话是十分正确的。2由连词THAT引起的主语从句THATTHEYAREBADLYINNEEDOFHELPISQUITECLEAR他们急需帮助，这是十分明显的。但是这类句子在大多数情况下会放到整个句子的后部去，而用代词IT作形式主语。3由连接代词或连接副词以及WHETHER引起的主语从句。WHETHERTHEYWILLSELLTHEHOUSEISNOTYETDECIDED他们是否卖掉这所房子还没有决定。4WHATEVER,WHOEVER也可引导主语从句。精品文档2016全新精品资料全新公文范文全程指导写作独家原创5/7WHATEVERWASSAIDHEREMUSTBEKEPTSECRET这里说的话都应当保密。WHOEVERMAKESMISTAKESMUSTCORRECTTHEM凡犯了错误的人都必须改正。注意上述例句中的主语从句都是放在句首,但有时为了使句子结构平衡,避免“头重脚轻”,常用IT作形式主语,而把从句放在后面。例如ITISAPITYTHATSHEHASMADESUCHAMISTAKE她犯了这样一个错误,真是遗憾。这样就构成了下面一些常用句型1ITISADJ/N从句ITISAPITY/SHAMETHAT遗憾的是ITISPOSSIBLETHAT很可能ITISUNLIKELYTHAT不可能2IT不及物动词从句ITSEEMS/APPEARSTHAT似乎ITHAPPENEDTHAT碰巧3ITBE过去分词从句ITISSAIDTHAT据说ITISKNOWNTOALLTHAT众所周知ITISREPORTEDTHAT据报道ITISBELIEVEDTHAT据信人们相信精品文档2016全新精品资料全新公文范文全程指导写作独家原创6/7ITISSUGGESTEDTHAT有人建议单个的主语从句作主语时谓语动词用单数；由AND连接的两个主语从句作主语时，谓语动词用复数。STEP4PRACTICEEX1FILLINTHEBLANKS1_YOUDONTLIKEHIMISNONEOFMYBUSINESS2_HESAIDATTHEMEETINGASTONISHEDEVERYBODYPRESENT3_THE2008OLYMPICGAMESWILLBEHELDINBEIJINGISKNOWN4_WELLGOCAMPINGTOMORROWDEPENDSONTHEWEATHER5_LEAVESTHEROOMLASTOUGHTTOTURNOFFTHELIGHTS6_ISAFACTTHATENGLISHISBEINGACCEPTEDASANINTERNATIONALLANGUAGE7ITWORRIEDHERABIT_HERHAIRWASTURNINGGREY8THEFOREIGNMINISTERSAID,“_ISOURHOPETHATTHETWOSIDESWILLWORKTOWARDSPEACE”9AFTERYANGLIWEISUCCEEDEDINCIRCLINGTHEEARTH,_OURASTRONAUTSDESIRETO