电大形成性考核大学英语B阅读.doc

《电大形成性考核大学英语B阅读.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、阅读理解Passage1Whenweatherishot,yougotoalakeoranocean.Whenyouarenearalakeoranocean,youfeelcool.Why?Thesunmakestheearthhot,butitcannotmaketheweatherveryhot.Although,theairovertheearthbecomeshot,theairoverthewaterstayscool.Thehotairovertheearthrises.b5E2RGbCAPThent

2、hecoolairoverthewatermovesinandtakestheplaceofthehotair.Whenyouarenearalakeoranocean,youfeelthecoolairwhenitmovesin.Youfeelthewind,andthewindmakesyoufeelcool.p1EanqFDPwOfcourse,scientistscannotanswerallofourquestions.Ifweask,“Whyistheoceanfullofsalt?”scientist

3、swillsaythatthesaltcomesformrocks.Whenarockgetsveryhotorverycold,itcracks.Rainfallsintothecracks.Therainthencarriesthesaltintotheearthandintotherivers.Theriverscarrythesaltintotheocean.Butthenweask,“Whathappenstothesaltintheocean?Theoceandoesnotgetmoresaltyeve

4、ryyear.”Scientistsarenotsureabouttheanswerothisquestion.DXDiTa9E3dWeknowalotaboutourworld.Buttherearestillmanyanswersthatwedonothave,andwearecurious.RTCrpUDGiT6.Themainideaofthepassageis____________.51/51A.peoplefeelcoolwhentheyarenearalakeoranocean5PCzVD7HxAB

5、.scientistscanexplaineverythingwewanttoknowjLBHrnAILgC.scientistscanexplainmanythingsexceptonethingxHAQX74J0XD.thesaltintheoceancomesfromrocks7.Youfeelcoolwhenyouarenearalakeoranoceanbecause________.LDAYtRyKfEA.thewaterisnotsohotastheearth.B.theearthishotC.the

6、wateriscolderthantheearthD.coolairfromthewatermovestowardstheland8.Nowscientistsknow_______.A.whatmakespeoplefeelcoolnearalakeoranoceaninsummerZzz6ZB2LtkB.everythingabouttheoceanC.whytheoceandoesnotgetmoreandmoresaltyD.whathappenstothesaltintheocean9.Arockcrac

7、kswhen_________.A.rainfallsB.itgetsveryhotC.itgetsverycoldD.eitherBorC10.Peoplearealwayscuriousabouttheworldaroundthembecause___________.dvzfvkwMI151/51A.theyknownothingaboutitB.theyknowlittleaboutitC.thereareanswerstheydonothaveD.therearealotofinterestingstor

8、iesaboutitPassage2Ifyoudonotuseyourarmsoryourlegsforsometime,theywillbecomeweak,whenyoustartusingthemagain,theyslowlybecomestrongagain.Everybodyknowsthat.Yetmanypeopledonotseemtokn