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新目标英语周报2015-2016初一下43期答案

发表时间：2024-07-09 12:23:35 来源：网友投稿

一、1.D2.C3.A5.B

二、1.Noonehasdiscoveredanylife2.wehavealreadysentthem3.butshehasneverbeen4.Isawhimshowingtheforeignvisitorsaround

三、阅1.In1961.2.Itsentthefirstspacestationintospace.3.Aspacestation.4.Untilthelate1980s.5.Thehistoryofspacestationsandwhatthelifeinspacestationsislike.

四、1.C2.B3.A4.D5.B6.C7.A8.C9.B10.A

五、Scientiststhinkthattherehasbeenlifeonearthforhundredsofmillionsofyears.Sevenotherplanetsgoaroundthesunliketheearth.However,noneofthemhasanenvironmentlikethatoftheearth.Soscientistsdonotthinktheywillfindlifeonthem.Thesunanditsplanetsarecalledthesolarsystem.Andoursolarsystemisasmallpartofamuchlargergroupofstarsandplanets.WecallitGalaxy.Scientistshavealsodiscoveredmanyothergalaxiesintheuniverse.Soitisimpossibletoimaginehowlargetheuniverseis.Wehavealwaysaskedthequestion:Withsomanystarsintheuniverse,arewealone?Istherelifeoutthereinthespace?We’relookingforwardtoknowtheanswer.

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