手机
首页 问题大全 我要提问 我的问题
语篇理解Thelastpartofthiscenturywillbeanageofexploration(探险)suchasmanhasneverknown.Thereare9planets,atleast30moons,andthousandsofasteroids(小行星).Theirtotalareaisabout
提问时间:2020-12-30 07:40:42 1人问答
问题描述:

  

语篇理解

   Thelastpartofthiscenturywillbeanageofexploration(探险)suchasmanhasneverknown.Thereare9planets,atleast30moons,andthousandsofasteroids(小行星).Theirtotalareaisabout250timesthatoftheearth.Spaceshipswillnotbeabletolandonsomeofthem.Butthatstillleavestobeexploredanarea10timesasgreatasthecontinentsoftheearth.

  Exploringspacemayseemterrifyingtosomepeople.Nodoubt(毫无疑问)explorersofthepastwereterrifiedbytheemptyoceansthatlaybeforethem.Theyconquered(征服)theirfears,crossedtheoceans,andbuilttheNewWorld.

  Inthepastwhenexplorerssetsailintotheunknown,theyhadtosaygood-byetoeverythingtheyknewathome.Spaceexplorerswillnotfacesuchgreatloneliness.Evenwhentheytravelfarbeyondthesun,theywillbeabletosendmessagesback.

1.Accordingtothefirstparagraph,______.

[  ]

A.manhasnotknownhowtoexplorespaceyet

B.spaceshipswillbeabletoreachsomeplacesinspace

C.anareatobeexploredifaslargeasthecontinentsoftheearth

D.thetotalareatobeexploredifabout250timesthatoftheearth

2.Futureexplorationwill______.

[  ]

A.bemoredifficultthanitwasinthepast

B.coveralargerareathananyexploringdonebefore

C.bemoredangerousthaninthepast

D.bemorelonelythaninthepast

3.Ifthelandareaoftheearthisabout55×106squaremiles,the

 areathatcanbeexploredinspaceisprobably______squaremiles.

A.495×106   B.165×107

C.55×107    D.1375×107

4.Nowspaceexplorerswillnotfeellonelybecause______.

A.theyaresoexcitedthattheyforgeteverythingathome

B.theyhavealreadysaidgood-byetoeverybodytheyknow

C.theyhavebeenabletoconquerfearsandloneliness

D.theykeepintouchwiththeearthatanytime

5.Thewriterthinksthatalltheareasthatcanbeexploredaretobeexplored______.

A.attheendofthenineteenthcentury

B.attheendofthenextcentury

C.attheendofthetwentiethcentury

D.inthefar-distantfuture

回答详情:
尊姓大名:
提交答案
吕晓凤回答:
  B;B;C;D;C
吕晓凤
2020-12-30 07:44:50
点赞0
热门问答