单元综合检测(一)Ⅰ.阅读理解(共15小题；每小题2.5分，满分37.5分)ATeenagerswhospendhoursinfrontofthetelevisionmayhaveapoorerdietasyoungadults.Astudy,whichinvolvednearly1，400highschoolstudentsfoundthosewhowatchedTVforfivehoursormoreeverydayhadlesshealthydietsthanotherstudentsfiveyearslater.Whydoesthishappen?Shouldtheparentstakeanymeasures?Ontheonehand,peoplewhospendalotoftimeinfrontoftheTV,especiallyteenagers,maysnack(吃零食)more,andthatmayinfluencetheirlong­termdietquality.Ontheotherhand,TVadsforfastfood,sweetsandsnacksmaketeenagerseatmoreofthosefoods.TVtimemightalsoreplaceexercisetimeforsomekids.TheresearchersfoundaclearrelationshipbetweenTVtimeduringhighschoolanddietqualityoftheyoung.WhiletheheaviestTVviewerswereeatingthemostjunkfood,thosewho'dwatchedfewerthantwohourseverydayhadthemostfruitsandvegetables.AsfarasIamconcerned,childrenshouldwatchnomorethantwohoursoftelevisionperday.Andparentsshouldsetagoodexamplebyeatingright,beingphysicallyactiveandcurbingtheirownTVtime.【语篇解读】本文是一篇说明文。文章介绍了看电视时间和饮食质量的关系。作者给父母的建议是，他们不想让孩子做的事情，自己也不要去做。1．Accordingtothepassage,heavyTVviewersareeasyto．A．eatmorefruitsB．eatfewervegetablesC．eatlessjunkfoodD．eatmorefoodhighincalcium(钙)B[细节理解题。由第五段“WhiletheheaviestTVviewerswereeatingthemostjunkfood，thosewho'dwatchedfewerthantwohourseverydayhadthemostfruits，vegetables”．可知，沉迷于电视的观众吃的是垃圾食品，但那些每天看不到两小时电视节目的观众对水果、蔬菜的摄入量最高。所以沉迷于电视的人很少吃蔬菜。故选B项。]2．Theunderlinedword“curbing”inthelastparagraphcanbereplacedby“”．A．addingB．checkingC．controllingD．stoppingC[词义猜测题。由最后一段“Andparentsshouldsetagoodexamplebyeatingright，beingphysicallyactiveandcurbingtheirownTVtime.”可知，父母要做一个好的榜样，要积极地锻炼身体并且要控制自己看电视的时间。所以通过上下文的语境可以判断出，最后一段中带下划线的“curbing”可以替换为controlling“控制”。故选C项。]3．Whatsuggestiondoestheauthorgivetheparents?A．TheymustwatchTVwiththeirchildren.B．TheyshouldstopthechildrenfromwatchingTV.C．Theyshouldpayattentiontonutritionindiets.D．Theycan'tdowhattheydon'twanttheirchildrentodo.C[推理判断题。由最后一段“AsfarasIamconcerned，childrenshouldwatchnomorethantwohoursoftelevisionperday.Andpare