【同步练习】Unit 8 Lesson 24（北师大）

《【同步练习】Unit 8 Lesson 24（北师大）》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Unit8DiscoveriesLesson24AnExperimentReport同步练习◆单项选择()1.Thisisn’tmyT-shirt.______isblue.A.IB.MeC.MineD.My()2.Flowersusuallycomeout______springeveryyear.A.inB.atC.onD.of()3—______isatickettoGardenExpo?—It’sabout100yuan.A.HowmuchB.HowmanyC.HowlongD.Howoften()4There___

2、___aparknearhere.Shallwetakeawalk?A.beB.wereC.isD.are()5.Whichis____________,thetelephone,thecomputerorthelightbulb?A.usefulB.moreusefulC.mostusefulD.themostuseful◆完形填空Scientistsstudytheworldandlearnaboutthingsusingaprocesscalledthescientificmethod(方法).Byaskingimpo

3、rtantquestionsand  1   theanswers,itispossibletomakeamazingdiscoveries!Sometimesascientistis  2   toanswerhisownquestions,butifhehastakengoodnotesanotherscientistmaycomealonglaterwhoisabletousenewknowledgetoanswerit.Whenyouusethescientificmethodto  3  anexperiment,

4、youstartbymakingobservations(观察)aboutsomethingthat 4  you.Basedonyourobservations,youmakeahypothesis.Thisisusing 5   youknowtomakeasmartguessaboutwhatyouthinkcouldhappen.Thenyouarereadytobeginyourexperiment.All  6   yourexperimentyoutakedownnotes,whichare 7 experim

5、entdate(资料).Youareconstantlymakingobservationsduringthistime.Youmaymakediscoveriesthatcauseyoutoimproveyourexperimentasyougo.  8   ,youconcludeyourexperimentandbegintolookoveryournotestodecidewhatitallmeans.Basedonwhatyouhavelearned,youmakeafinalstatementabout   9 

6、 yourhypothesiswascorrectornot.Youhavetohavereasonsandevidencetosupportwhatyouaresaying.Usingthescientificmethodcanbedifficult,butrewarding.Becauseallthestepsareorganizedinaprocess,the  10  aremorevalid(可信的).Whenyouprovideobservationsasevidencetosupportwhatyouaresa

7、ying,yourideasaremorelikelytobeaccepted.()1.  A.waitingfor B.searchingfor C.worryingabout    D.complainingabout()2.  A.unable       B.sure            C.ready       D.surprised()3.  A.read         B.refuse            C.prevent     D.conduct()4.  A.hurts         B.re

8、presents        C.interests     D.attacks()5.  A.what        B.when             C.why         D.which()6.  A.without      B.including         C.e