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国开电大理工英语2 单元自测7(预备知识:Unit 7;10分)_173476

时间:2025-04-10 11:19来源:未知 作者:admin 点击:
一、选择填空:阅读下面的对话或句子,从A、B、C三个选项中选出一个能填入空白处的最佳选项。 1.(单选题)—Linda,haveaniceholiday! —________________________ A.Yes, what you said is right. B.Don’t mention it. C.Thank you. The same to you. 正确答
一、选择填空:阅读下面的对话或句子,从A、B、C三个选项中选出一个能填入空白处的最佳选项。
1.(单选题)—Linda,haveaniceholiday!
—________________________
A.Yes, what you said is right.
B.Don’t mention it.
C.Thank you. The same to you.
正确


2.(单选题)—Congratulation!Youwontheprizeforbestphotography.
—________________________
A.Yes, it’s true.
B.Thank you.
C.No, Ididn’t do it very well.
正确


3.(单选题)—Mary,ourteamwillplayagainsttheRocketnextweekend.I’msurewewillwin.
—________________________
A.Cheers!
B.Good luck !
C.Congratulations!
正确


4.(单选题)Ourfactorywill______twentymoreworkersnextmonth.
A.take off
B.take out
C.take on
正确


5.(单选题)—IdrovetoShenzhenfortheairshowlastweek.
—Isthat_____youhadafewdaysoff
A.which
B.that
C.why
正确


二、阅读理解:阅读下面的短文,根据文章内容进行判断,正确为“T”,错误为“F”。NewMaterialCanCoolBuildingsResearchersatStanfordUniversityhavedevelopedanewmaterialthatcanmoveheatoutofbuildingsandintospace.Thematerialcancoolbuildingsevenonhotdays.Thecoolingmaterialisaverythinsheetwithmanylayersthatcouldbeplacedonarooflikesolarpanels.However,insteadofturningsunlightintoenergyassolarpanelsdo,thematerialturnsheatintoinfraredradiation.ShanhuiFanisanelectricalengineeringprofessoratStanfordUniversity.Hesaysthatthepanelshavealayerofmaterialthatislikesand.Thepanelsalsoactlikeamirror.Theytakeheatoutofbuildingsandreflectthelightfromthesun.Boththeheatandsunlightaresent100kilometersintoouterspace.Thepanelsarecooltothetouch,eveninthesun.Researcherssaytheycanreducetheindoortemperaturetonearly5degreesCelsiusbelowthetemperatureoutside.Mr.Fansaysitislikehavingawindowintospace.Hesaystheheatissentdirectlyintospacewithoutwarmingtheair.Buildingsindevelopingcountriesthatdonothaveelectricityorairconditioningcouldusethepanels.Inareaswhereoneisoff-grid,thereisasignificantpotentialbenefitforstoringmedicineorevenfood.Inmanyofthesesituations,beingabletoreducethetemperatureisimportant.Andthiswouldprovideawaytodoit.TheStanfordresearchersdescribedtheirtechnologyinthesciencepublicationNature.Theysaythemainproblemiscreatingactualcoolingsystemsusingthehigh-techpanels.Itmaybepossibletodevelopacoolingspraytechnologyinthenextthreetofiveyearsthatcouldbeusedonexistingsolidstructures.1.Thematerialcancoolbuildingsonlyoncolddays.《在此填空1》2.Thematerialturnsheatintoinfraredradiationbecauseitisaverythicksheetwithmanylayersthatcouldbeplacedonarooflikesolarpanels.《在此填空2》3.Theheatofthebuildingsandsunlightaresent100kilometersintoouterspacebythepanels.《在此填空3》4.Theoff-gridareasmayusethepanelstoreducethetemperatureofbuildingstostoremedicineorevenfood.《在此填空4》5.Acoolingspraytechnologymaybedevelopedinthenearfuturethatcouldbeusedonexistingsolidstructures.《在此填空5》
1.
A.T
B.F

2.
A.T
B.F

3.
A.T
B.F

4.
A.T
B.F

5.
A.T
B.F

正确答案:1:F、2:F、3:T、4:T、5:T

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