问题:

【阅读理解(ReadingComprehension)IstherelifeonMars(火星)?Wedonotknow.ButwearesurethatearthpeopledonotliveonMars.Earthpeopleneedoxygentobreathe.Thereisalmostnooxy】

更新时间:2024-03-29 22:10:33

问题描述:

(1)

(2)

阅读理解(ReadingComprehension)

  IstherelifeonMars(火星)?Wedonotknow.ButwearesurethatearthpeopledonotliveonMars.Earthpeopleneedoxygentobreathe.ThereisalmostnooxygenonMars.ItisuncertainexactlyhowlifearoseonEarthsoitisdifficulttodeterminehowcommonsuchmechanismsare.ButiflifealsoaroseonMarsthiswouldshowthatthosemechanismsoperatednotjustoncebuttwicearguingthatlifemaywellbecommonelsewhere.

  LivingonMarswouldbelikelivingonaveryhighmountain.Therewouldbelittleair.Itmightbe50degreeabovezeroatnoonand100degreebelowzeroatnight.

  ManypeoplethinktheremaybeplantsonMars.WeknowthatMarshascarbon.Thisisakindofmaterialfoundinallplantsandanimalsonearth.ThroughatelescopeMarslooksred.Insomeplacesitseemsgray.Attimesthegraycolourturnsgray-greenthenbrownthengrayagain.Thegray-greencolourmaybeakindofplantlifechangingcolourwithseasons.

  Marsisaspectacular(引人入胜的)placeandwillremainsoevenifitisfinallyprovedtobelifeless.Todaywedon'tknowforsureifthereisoreverwaslifeonMars.Butonethingiscertain-onedaytherewillbe.

  WillmangotoMarsoneday?Iftheydotheywillhavetotakealongtheirownoxygenfoodclothingandshelter(住所).

Whatdoyouthinkisthemainreasonwhymencan'tliveonMars?

Because________.

[  ]

A.

livingonMarsislikelivingonahighmountain

B.

thereisnooxygenonMars

C.

therearenotanyplantsoranimalsonMars

D.

onMarsitistoohotatnoonandtoocoldatnight

Thestorydoesnotsaythisbutfromwhatwehavereadwecantellthat________.

[]

廖晓钟回答:

  答案:1.B;2.A;3.A;4.C;

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