高考英语一轮复习Unit2Cloning练习新人教版选修

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1、Unit2　CloningⅠ.阅读理解Scientistshavefoundthattheriskofgettingcancerandheartdiseaseisreducedwhenwetakepartinphysicalactivity—andnowthey’vefoundcyclingtoworkisoneofthebestactivitiestodothis.Thestudylinkedusingtwowheelswithahalvingoftheriskofcancerandheartdisease.Italsosh

2、owedthatwalkinghadsomebenefitsoversittingonpublictransportortakingthecar.Cyclingtoworkisalreadypopularinmanycitiesacrosstheworld.Someauthoritieshavebuiltcyclelanesaswellasprovidingsecureplacestolockthemup.Somecompaniesprovidefacilitiesfortheiremployeestogetchangedan

3、dcleanedupwhentheyarriveatwork.Itallmakesgoodsense—accordingtopeoplesurveyedinthisstudy,regularcyclingcuttheriskofdeathfromanycauseby41%,theincidenceofcancerby45%andheartdiseaseby46%.Cyclingtoworkisquickerandcheaperthanusingpublictransport.Whilegoingtothegymtoloseaf

4、ewpoundstakeseffortandcommitment,cyclinghasjustbecomepartoftheworkroutine.ClareHydefromCancerResearchUKsays,“Thisstudyhelpstohighlightthepotentialbenefitsofbuildingactivityintoyoureverydaylife.”Ofcourse,anyexerciseisgoodforyoubutit’sthoughtthatcyclingisbetterthanwal

5、kingbecausetheactivityislongerandmoreintense.Dr.JasonGill,fromtheUniversityofGlasgow,said,“Youneedtogettoworkeverydaysoifyoubuildcyclingintotheday,itessentiallytakeswillpoweroutofconsideration.”Youdon’tneedtowearskin-tightclothes,aslongasyouwearthemostimportantacces

6、sory,ahelmet.1.Thepassagemainlyfocuseson　　　. A.thebenefitsofcyclingB.theadvantagesofsportsC.thechangesoflifestyleD.thepreventionofcancer2.WhatcanwelearnfromParagraphtwo?A.Walkingissimilartosittinginabus.B.Cyclingtoworkhasgainedpopularity.C.Cyclingtoworkcausesmorespe

7、nding.D.Citygovernmentsneedmorebicycles.3.Whatistheadvantageofcyclingtoworkcomparedtogoingtothegym?A.Itislongerandmoreintense.B.Ithelpstolosemoreweight.C.Itcanbepartofdailylife.D.Itisquickerandcheaper.语篇解读:本文是一篇说明文。文章主要阐述了骑自行车上班的好处。答案及剖析:1.A　主旨大意题。本文主要介绍了骑自行车有益于身体健康

8、。因此A项是正确答案。2.B　细节理解题。根据第二段的主旨句Cyclingtoworkisalreadypopularinmanycitiesacrosstheworld.可知B项是正确答案。3.C　推理判断题。根据倒数第二段第二句Whilegoingtothegymtolo