Lesson25Let'sDoanExperiment!练习冀教版英语九年级全册

Lesson25Let'sDoanExperiment!同步练习基础强化一、根据句意、首字母及汉语提示完成单词拼写1.Pleasethinkofabetter__________(方法)todoit.2.Youcan’t__________(迫使)otherstodowhattheyhate.3.Tomwantstodoan__________(实验)totesthistheory.4.Youcanputmore__________(压力)onhertomakeheragree.5.Canyoutellmethe__________(正确的)methodofsolvingtheproblem?二、用括号内所给单词的适当形式填空1.Weshouldbelieveinher.Hermethodis__________(science).2.Thegirlcaughtholdofhermother’sarm__________(tight).3.What__________(happen)toyoulastnight?Youdon’tlookverywell.4.Hermothermadeher__________(clean)herroombeforeshewentouttoplay.5.Theyareverymean(吝啬的).Thiskindofpersonisoften________(call)“ironcocks”.三、根据句意及汉语提示完成句子1.他发现空气的压强那么大。He_________thattheair_________issostrong.2.坐直，并且把你们的手从桌子上拿开。Sitstraight,and_________yourhands________thedesk.3.为了查明原因，我把那个盒子倒了过来。Inordertofindoutthereason,I________thebox__________________.4.你准备好给大家解释一下这个正确答案了吗？_________you________toexplainthe_________answertoeveryone?5.人类社会的进步不但取决于人们的科学知识，还取决于他们的创新精神。Thedevelopmentofhumansocietydependsonnotonlypeople’s__________________butalsotheircreativespirit.能力训练四、选择填空1.—I’venevercookedthisbefore,soit’s_______experiment.—Don’tworry.Iwillhelpyou.A.aB.anC.theD./2.Thesecakes_______withchocolate.Haveone,please.A.fill B.filledC.arefilled D.werefilled3.It’scoldoutside._______yourjacket,Tom.A.PutoffB.PutonC.TakeoffD.Takeon4.Wearesureof_______theworkontime.A.finishingB.finishC.finishesD.tofinish5.Thehighspeedtrainsarefastenough_______toTianjininhalfanhourfromBeijing.A.get B.togetC.getting D.got6.Canyoulookupwhentheplanewill_______andarriveinVenice?A.takecareof B.takeoffC.takeafter D.takedown7.WhenIgottothebusstop,ImissedtheearlybusandIhadto_______thenextone.A.giveupB.keepoffC.calloffD.waitfor8.Heisverysure_______passingtheexam，becausehehasgotreadyforit.A．ofB．withC．toD．for9.Thisisthefirstbirthdaygift_______Ireceived.I'vekeptitmanyyears.A．whichB．thatC．whoD．what10.—MayIbeallowedtochooseasummercourse?—It'suptoyou.You're________tomakeyourowndecisions.A.toooldB．enougholdC.oldenoughD．oldtoo五、用方框中所给单词或短语的适当形式填空fill…with,turn…upsidedown,takeoff,pourout,scientificmethod1.Maryis_____________theteafortheguestscarefully.2.Thejarisfullofoil.Don’t________it____________.3.Hewillgiveareportaboutthe_______________ofteaching.4.Whydon’tyou_____________yourraincoat?Therainhasstopped.5.You’dbetter________thecar_______petrol.Wewillhavealongjourney.素养提升六、根据短文内容和词语提示补全短文Today,JeanneandIdidan1.e_________together.First,Jeannefoundawidemouthbottle.Shefilledthewidemouthbottle2._________water.3.T_________sheusedapieceofhardpaperto4._________(cover)thewidemouthbottle.Sheturnedthebottleupside5._________.Sheputthebottleovermyheadandtoldmeshewould6._________(take)herhandoffthepaper7._________(slow).Oh,Iwasafraidthatthewaterwouldpourout.She8._________(conclude)thatIwas9._________.Shesaid,“Don’tbeafraid!Thewaterisunabletomakeyougetwet.Airwillfirmlydragit.”Ourclassmatesobserved10._________(careful).Shemovedherhandaway.Thewaterdidn’tpourout.七、阅读理解Whatisthesky?Howhighisit?Whatcolourisit?Whatbirdscanliveaboveit?Thesequestionsaredifficulttoanswer，aren'tthey?Infact，theskyhasnocolour.Thenwhydoestheskylookblue?Weknowthatthereisairaroundtheworld.Whenplanesfly，theyneedairtolifttheirwings.Planescan'tflyveryhigh.Thatisbecausetheairgetsthinnerwhentheygohigher.Thesamewillhappentousifwegohighenough.Ifwegoupabout1，200kilometresfromtheearth，we'llfindnoairthere.Somebirdscanflyintotheskyashighasaplane，buttheycannotflyorlivewithoutair.Lookingupaboveus，youwillseetheblueskywithwhiteclouds.Itisusuallylightblue.Thecolourwouldbebluerwhenyouseeonthetopofahighmountain.Andyouwillseefewercloudsintheskybetweenyouandthesun.Sometimestheskydoesn'tlookblue.Whenthesunrisesandfalls，youwillseered，orange，andothercoloursinthesky.Sucharethemostbeautifulmomentsoftheday.Whocanseethecoloursoftheskyhighabovetheearth?Theastronauts!Theycanseethosebeautifulcoloursoftheskyfromtheouterspace.However，beforeflyingintoouterspace，theysitinaspaceshiphighabovetheearth，andthereisnoairatall.Theskywouldbethatdarkanditscolourwouldbeblack.Nowyoumayunderstandthatweseecoloursbecausetheairscatters(使散射)thesunlight.Lighttravelsthroughtheair.Withoutair，therewouldbenolightorcolours.1.Planescan'tflyashighaspossiblebecause________.A.theskyisblueB.thewingsareheavierC.theskyhasnocolourD.theairbeesthinner2.Whenyoustandonthetopofahighmountain，youwillsee________.A.moreairB．bluerskiesC.morecoloursD．moreclouds3.Wemightseemanycoloursintheskyat________duringtheday.A.6：00a．m.B．9：00a．m.C.1：00p．m.D．3：00p．m.4.Theskychangescoloursbecause________.A.it'scolourfulitselfB.theworldiscolourfulC.thesunlighthascoloursD.theairscattersthe