状元之路高中英语 Unit 4 Astronomy the science of the stars单元综合测评 新人教版必修3.docx

状元之路高中英语 Unit 4 Astronomy the science of the stars单元综合测评 新人教版必修3.docx

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状元之路高中英语Unit4Astronomythescienceofthestars单元综合测评新人教版必修3

Unit4　Astronomy:

thescienceofthestars

（时间：

90分钟　满分：

110分）

第一部分　阅读理解（共两节；满分30分）

第一节　（共10小题；每小题2分，满分20分）

阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。

A

Whatsciencefiction（story）oncetoldaboutotherworldsfarawayisnowafact.Astronomers（expertsatthescienceoftheuniverse）proveanothersolar（ofthesun）systemlikeourswithsomeplanetsintheconstellationAndromeda（仙女座）．

GeoffreyMarcyisaprofessorofastronomyandphysicsatSanFranciscoStateUniversityandsays,“Whatwehavefoundnow，forthefirsttimeever,isindeedafully－grownsystem－ofplanetsaroundthestarUpsilonAndromeda.Itappearstohavethreeplanets，oneclosein，oneatamiddledistance，andonefartherout.Thestarisslightlylargerthanoursun.Theplanetsarehuge，likeourJupiter（木星）．”

Marcy'spartnerinthisresearch，DebraFischer,describesthesolarsystem，“Herearetheinnerplanetthatgoesaroundevery46days,themiddleplanetthatgoesaroundevery242days,andthentheouterplanetthatgoesaroundeverythreeandahalftofouryears.”

Astronomically,it'snotfaraway,44lightyears.Thesunofthatsolarsystem，UpsilonAndromeda，issonearandbrightthatitcanbeseenbyusingnoequipmentduringsummerandfall.

Fortwelveyearsastronomerssearchedtheskiesinthebeliefthatifoursunhasplanetsaroundit,surelyothersdo,too.GeoffreyMarcysays,“Andthenstartingthreeandahalfyearsago,webeganfindingforthefirsttimeplanetssingly,oneplanetherearoundonestar...”

“WhenIlookupatthestarsnowatnight,Icanimagineeasilythateveryoneofthemhasplanetsaroundthem，”saysDebraFischer.

Itwasatremble（shaking）inthestarthatledMarcytotheplanets.“Thestarrocksaroundduetothegravityoftheplanetasadogownergetspulledaroundbyalittledog.”

Cantheysupportlife?

Wedon'tknow,becausepresenttechnologyisnotadvancedenoughtodeterminewhattheplanetsaremadeof.That,Marcysays，isastronomy'snextchallenge.

1．What'stherelationbetweenAndromeda（A）,UpsilonAndromedasystem（U）andthementionedthreeplanets（P）?

A

B

C

D

答案与解析：

B　推理判断题。

通读全文可知Andromeda是一个星座，像太阳系；UpsilonAndromeda是一颗恒星，像太阳；threeplanets是它的三个卫星，因此可推出B项正确。

2．AccordingtoDebraFischer，inthenewsolarsystem,________.

A．thefartheraplanetisfromthestar,thelongerittakestogoaroundthestar

B．thelargeraplanetis，theshorterittakestogoaroundthestar

C．ittakesalltheplanetsaroundthreeandahalftofouryearstogoaroundthestar

D．theplanetsmovearoundthestaratthesame（均匀）speed

答案与解析：

A　推理判断题。

根据天文常识及本文所述，任何行星的卫星的运转周期不可能是一致的，越是远离行星，一般运转周期越长。

3．WhatledtoMarcy'sdiscoveryoftheplanets?

A．Thathefoundadogownerwaspulledbyhisdog.

B．ThetrembleofUpsilonAndromeda.

C．Thatanyplanethasgravity.

D．Thathebelievesanystarhasitsplanets.

答案与解析：

B　细节理解题。

由倒数第二段可知。

4．Wecaninferthatthescientistsare________.

A．tofindoutwhethertheplanetscansupportlife

B．tofindmeanstocommunicatewiththelivingbeingsontheplanets

C．tofindmeanstotraveltotheplanets

D．soontobeabletoanswerthequestionofwhetherthereislifeontheseplanets

答案与解析：

A　推理判断题。

其他几项提到的不是本文重点或没提及。

B

Theearthistheonlyplanetthatscientiststhinkhaslife.Whydoestheearthhavelifewhiletheotherplanets（行星）don't?

Foronething,theearthisjusttherighttemperature.Asthe_third_planetfromthesun,theearthseemstobejusttherightdistanceaway.Theplanetswhichareclosertothesunarehotthattheirsurfacesbake（烘烤）inthesun.Thefarthestplanetsarecoldballs.

Whentheearthdeveloped—whichscientistsbelievemayhavehappenedabout4billionyearsago—manygasescoveredtheearth.Thegasescausedtheearthtobehot.Butsomethingwonderfulhappened.Thetemperaturewasjustrightforthickcloudstoform.Itrainedveryhardforaverylongtime.Thisgavetheearthitsoceans.Watermadeitpossibleforplantstogrow.Theplantscreatedoxygenintheatmosphere.Oxygenisthegasthathumansandanimalsbreathe.

Onlyoneotherplanetinthesolarsystemseemstobesomethingliketheearth.ThatplanetisMars（火星）.Marsissmallerthantheearth,anditisquiteabitcooler.Butitisnottoocoldforhumans.Onsomedays,thetemperaturesareaslowasawinterdayinthenorthernUnitedStates.Ifyouworeaspecialspacesuit,youcouldwalkaroundonMars.Youwouldhavetobringyourownairtobreathe,theaironMarsistoothintobreathe.

Marshasthelargestvolcano（火山）inthesolarsystem.Itissixteenmileshigh.Thehighestvolcanoontheearthisfivemileshigh.Themostunexpected（未预测到的）sightonMarsisdriedupriverbeds.ScientistsbelievethatMarswasoncemuchbetterthanitisnow.DoesthismeantherecouldhavebeenlivingthingsonMars?

Scientistsarenotsure,butth