第十八课时九年级上Unit41.invent（v.）→inventor（n.）发明家→invention（n.）发明物2.think（v.）→thought（n.）想法，看法，主意3.imagine（v.）→imagination（n.）想象力，想象4.detail（n.）→detailed（adj.）详细的5.explore（v.）→explorer（n.）探险者，勘探者6.certain（adj.）→certainly（adv.）当然，肯定，确定7.weigh（v.）→weight（n.）重量8.excite（v.）→excited（adj.）激动的，兴奋的→exciting（adj.）令人激动的→excitement（n.）激动，令人激动的事9.discover（v.）→discovery（n.）发现10.doubt（n.&v.）→doubtful（adj.）拿不定主意的；不确定的11.able（adj.）→ability（n.）能力→disabled（adj.）不能自理的12.worth（adj.&n.）→worthy（adj.）有价值的→worthless（adj.）无价值的13.electronic（adj.）→electric（adj.）电的，电动的→electricity（n.）电14.crowd（v.&n.）→crowded（adj.）拥挤的15.proper（adj.）→properly（adv.）合理地16.connect（v.）→connection（n.）联系；关系；连接；亲戚1.太多toomuch2.由……制成bemadeof/from3.被用来……beusedfor4.总有一天someday5.被……使用beusedby6.超过morethan7.与……不同bedifferentfrom8.为……设计bedesignedfor9.全世界allovertheworld10.发生；产生comeabout11.发明过程inventionprocess12.嘲笑……laughat…13.与……分享share…with…14.再三地，反复地againandagain15.实现cometrue16.某人的一生duringone’slife17.地标guidingmark18.只要aslongas19.因……而兴奋beexcitedabout20.在将来inthefuture21.有一天oneday22.能够beableto23.在地球上；到底ontheearth24.亲眼所见withone’sowneyes25.记下关键词writedownthekeywords26.为了inorderto27.知道，了解learnabout28.直到……才……not…until…29.参加takepartin30.成长，长大growup31.基本技能basicskills32.在舞台上onthestage33.与……相比更喜欢……prefer…to…34.偶然地bychance35.遥远faraway36.以……的名字给……取名name…after…37.环绕goaround38.靠近becloseto39.人类humanbeings40.把某物发送给某人sendsth.tosb.41.着陆landon42.值得做beworthdoing43.尽力做某事trytodosth.44.在太空中inspace45.在……的帮助下withthehelpof…46.相隔，相距……atadistanceof…47.被……覆盖becoveredby/with1.It’sbadforyourhealthifyouspendtoomuchtimeonthem.你如果花太多时间在它们身上的话会有害健康。2.It’smadeofmetal.Doyouknowwhatarocketisusedfor？它用金属做成的。你知道火箭是用来干什么的吗？3.It’susedforsendingsatellitesorspaceshipsintospace.它是用来把卫星或宇宙飞船发往太空的。4.IwishIcouldgointospacesomeday.我希望有一天能够飞往太空。5.It’ssaidthatheinventedmorethantwothousandthingsduringhislife.据说他一生中发明了两千多种东西。6.Aninventionmaybeanewproductoranewwayofdoingthings.Inventionscomeaboutinmanyways.一项发明可以是一种新产品或者一种做事的新方法。发明会以各种方式出现。7.Buttheyweren’tdiscouragedbywhatpeoplesaid.That’swhynowwehaveplanes.但是他们并没有被人们的话打击。所以现在我们有了飞机。8.Carefulplanningisimportantintheinventionprocess.Thisisthetimetobrainstormforideasandtoevaluatethem.认真计划是发明过程中很重要的一点。也就是说要集思广益，评估观点。9.Thatwasabigquestionwhenwefirstexploredourworldlongago.很久以前人们刚开始探索世界的时候这是一个大难题。10.Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen.只要天气晴朗，星星清晰可见，这种方法就很有效。11.TheGPSisagreatinventionthathelpsusexploreourplanetanddiscoverwhereweare.全球定位系统是一个很伟大的发明，能够帮助我们探索地球，寻找位置。12.ItisnamedafterMars，theRomangodofwar.它是以罗马战神玛尔斯的名字命名的。13.Itsdiameteris53％aswideasthatoftheearth.它的直径是地球直径的53％。14.Marsgoesaroundthesunatadistanceofabout228millionkilometers.火星在距太阳大约228000000千米处环绕着太阳转。15.IttakesaspaceshipabouteightmonthstoreachMarsfromtheearthwhenthetwoplanetsareclosesttoeachother.当两个星球距离最近时，宇宙飞船从地球驶到火星要花费大约八个月的时间。16.IthasbeentwodayssincewelandedonMars.我们登上火星已经两天了。17.Somespaceshipshavegonebeyondthesolarsystem.一些飞船已到了太阳系以外的地方。18.ItprovesthatChinahasmadegreatprogressinitsspaceindustry.那证明中国已在航天事业上取得了巨大进步。19.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.毫无疑问，电脑在技术和商业领域中很有使用价值。20.Besides，noteverythingwereadontheInternetistrueorgoodforus.此外，我们在因特网上所读到的一切对我们来说并非都是真实或有益的。21.Nooneknowsforcertain，butmostpeoplethinkthatrobotswillbepartofourlives.没人确切地知道（未来会是什么样），但是大多数人认为机器人将会成为我们生活的一部分。语篇填空第一节（原创）阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。problemideaflybuttheysimplypollutiondrivehavegoodThousandsofyearsago，peopledidn’tknowthattheEarthmoved.Theythoughtthesunreallydidmoveacrossthesky.TheGreekgodHelioswassaidto1thesunaroundtheskywithhischariot（战车）.Butnow，these2haveallchanged.Nowadays，itisthesunthatdrivesour“chariot”aroundthesky.Sowhatdoesallthismean？Well，quite3，thereisnowaplane（or“chariot”）thatispoweredbythesun.It4specialpartsinitswings.Thesepartsabsorbpowerfromthesun.Theyabsorbsomuchpowerthattheycancarryonflyingatnight.IntheGreekmyths（希腊神话），Helioshadtotakeabreakatnight.Itseemswe’refinallyevenmoreefficientthanthegods5.ThisplaneiscalledSolarImpulse（“太阳驱动”号）.ItwillflyacrosstheUSinMay.Thisisveryimportantforthefutureoftheworld.Sowhyissolarenergysogoodforus？Well，otherkindsofenergycauseafew6.IfyouliveinChina，you’veprobablynoticedthe7.Thisiscausedbyburningcoalorgastomakeenergy.Theheatandchemicalsfromthismakethingswork.8ifweusetheheatfromthesun，wedon’thavetoburnanything，andthere’snopollution.Solarenergyisnotallthereyet.Itneedstobeimproved.Butthe9thingaboutitisthat，unlikecoalandgas，itdoesn’trunout.SolarImpulsecouldkeep10forever.Well，actually，thesunwillrunouttoo，oneday，butnotforanother5billionyears.That’saprettylongflight.1.drive2.ideas3.simply4.has5.themselves6.problems7.pollution8.But9.best10.flying第二节（原创）阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。Everyscientisthasachildhooddream.AscientistinChinaoncehadadream.Hewished11growanewtypeofrice.Thisnewtypeofricewouldbeasbig12peanuts.ThispersonisYuanLongping—“FatherofHybridRice（杂交水稻）”.Yuanwasbornin1930.Hegraduatedfromtheuniversityin1953.Hecameupwithanideaforahybridricein131960s.Sincethen，hehasdevotedhimselftoresearch.In1973，together14otherpeople，hewassuccessfulinthedevelopmentofhybridrice.ThismadeChinaaworldwideleaderinproducingrice.In1980，thetechnologyforhybridrice15introducedtotheUnitedStates.Inthenextfewyears，19othercountrieslearnedhistechnology.BecauseofYuan’shardwork，Chinanowproducesenoughricetofeedherpeopleeveryyear.11.to12.as13.the14.with15.was