西宁市最新 高考英语 阅读理解精选附答案Word下载.docx

西宁市最新 高考英语 阅读理解精选附答案Word下载.docx

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Thetelescopehasahugeroundreflector,whichmeasures500metersacrossandhasaperimeter（周长）of1.6kilometers.Becauseofitsgreatsize,itwouldhavebeenbothdifficultandinefficienttogetFASTtomovelikearegulartelescope.Instead,FAST'

sdesignerscameupwithagreatsolution:

itssurfaceismadeupof4450panelswhichcanbeindividuallyadjusted.Thiscleverdesignfeatureallowsscientiststodetectradiosignalsfromanyanglewithagreatdegreeofaccuracy."

Panelscanchangetheirpositionsthroughconnectedwiresandparallel（关联的）robots.Wecancontroltheirpositionwithanaccuracyof1mm,"

ZhengYuanpeng,chiefengineerofthetelescope'

spanelproject,toldXinhuaNewsAgency.

FAST'

sengineersalsohadthetaskoffindingasuitablelocation.Asanyinterferencewouldaffectitsabilitytodetectdistantradiowaves,itneededtobebuiltinaremotearea.Luckily,theperfectspotwasfoundinthebeautifulmountainsofGuizhouProvince."

Therearethreehillsabout500metersawayfromoneanother,creatingavalleythatisperfecttosupportthetelescope,"

SunCaihong,chiefengineerofFAST'

sconstruction,toldXinhua.

Andalthoughitwasn'

tyetfullyoperated,FASThadalreadymadegreatdiscoveriesbyOctober2017.Since1967,onlyaround2000pulsars（脉冲星）havebeendiscovered,yetFASThaddetectedsixmorebyOctober2017.OnceFASTisfullyupandrunning,wemayfinallyhavetheanswertooneofthebiggestquestionsinhistory.

（1）WhatisthepurposeofmentioningthequestioninParagraph1?

A. 

Tointroducethenewgianttelescope.

B. 

Toexplainwhythereislifeinuniverse.

C. 

Toremindreaderstothinkaboutthelifeinspace.

D. 

Toemphasizethequestionthatshouldbeanswered.

（2）WhatcanweknowfromParagraph2?

Thetelescopeismadeupofmanypanels.

TheareaofFASTisabout800squarekilometers.

TheengineercanhandleFAST'

spositionaccurately.

Theindividualpanelhelpsscientistscatchradiosignals.

（3）WhywasFASTbuiltinGuizhou?

BecauseGuizhouisaremoteprovince. 

BecauseGuizhouhasanidealvalley.

BecauseGuizhouhasbeautifulmountains. 

BecauseGuizhouhastheabilitytobuildit.

（4）Whatdoesthelastparagraphmainlytalkabout?

FAST'

stimeline. 

sfuture. 

soperation. 

sdiscoveries.

【答案】

（1）A

（2）D

（3）B

（4）D

【解析】【分析】本文是一篇说明文，介绍了中国500米口径球面射电望远镜，它的设计原理、选址以及发展前景等多方面的信息。

（1）考查推理判断。

第一段通过提出问题，再引出答案，在引出答案的同时引出了本文要介绍的我国500米口径球面射电望远镜。

所以第一段提出问题的目的是引出本文的介绍对象。

这也是说明文常见的写作手法。

故选A。

（2）考查推理判断。

根据第二段中的“itssurfaceismadeupof4450panelswhichcanbeindividuallyadjusted.Thiscleverdesignfeatureallowsscientiststodetectradiosignalsfromanyanglewithagreatdegreeofaccuracy.“它的表面由4500片可独立调节的金属板组成。

这种聪明的设计可以让科学家从不同的角度精确的探测到无线电信号。

可推知，这些金属板能帮助科学家捕捉无线电信号。

故选D。

（3）考查推理判断。

根据第三段中的“Therearethreehillsabout500metersawayfromoneanother,creatingavalleythatisperfecttosupportthetelescope”这儿有三座间距500米左右的山，是安置望远镜的绝佳的山谷，可知，望远镜之所以安置在贵州，是因为贵州有一个很好的山谷。

故选B。

（4）考查主旨大意。

根据最后一段中“Andalthoughitwasn'

tyetfullyoperated,FASThadalreadymadegreatdiscoveriesbyOctober2017.“虽然还没有完全运转起来，到2017年10月FAST已经有了重大发现。

可知，这一段讲述FAST的重大发现。

并且其后几句话也是来具体阐述FAST的重大发现的。

【点评】本题考点涉及推理判断和主旨大意两个题型的考查，是一篇科技类阅读，考生需要根据上下文的逻辑关系，进行分析，推理，概括和归纳，从而选出正确答案。

2．阅读理解

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