大学英语自主学习听力答案及原文10——3

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1、18.WhichofthefollowingisnotthedutyoftheU.S.CoastGuard?(D)细节综合题。文中提到在和平时期美国海岸警卫队负责有关航海，运输，移民，私人船舶等法律的实施以及营救遇难船只人员，但没提到训练人游泳。PassageTwoWhataresomeofthestepsapersoncantaketopreventhishousefrombeingbrokenintowhileheisaway?Onestepistomakesurethatthehouseseemsalive-inone.Living-room

2、curtainsshouldbepulleddownonlyhalf-way.Bedroomsthatusuallyhavethecurtainspulleddownatnightshouldbeleftdown.Anotheristomakesurethatalloutsidelocksarethestrongtype.Stillanotheristoleaveseveral100Wlightsburningandmakesurethatoneisinthekitchen.Lightsthatturnedonandoffbythemselvesa

3、rethebest.Then,too,itisagoodideatoleavetheradioturnedonandsettoatalkingstation.Anytypeofspeakingmakesathiefthinktwicebeforetryingtoenter.Finally,makecertainthatthenewspaperisstoppedandthatatrustedneighborhasbeenaskedtopickupthemail.Thievesareespeciallyquicktonoticepiled-upnews

4、papersandoverpiledmailboxes.Questions19to21arebasedonthepassageyouhavejustheard.19.Whydidthewriterbeginthispiecewithaquestion?(C)推断题。该文开头的问题正是该文的主要内容，由此可知为C。20.Whichisthemostimportantroomtoleavealightburningin?(B)细节题。文中提到Stillanotheristoleaveseveral100Wlightsburningandmakesure

5、thatoneisinthekitchen。21.Whatdoesthewriteradvisepeopletodo?(A)细节题。作者建议makecertainthatthenewspaperisstoppedandthatatrustedneighborhasbeenaskedtopickupthemail。PassageThreeFaces,likefingerprints,areunique.Didyoueverwonderhowitispossibleforustorecognizepeople？Evenaskilledprobablyc

6、ouldnotdescribeallthefeaturesthatmakeonefacedifferentfromanother.Yetaveryyoungchildorevenananimal,suchasapigeoncanlearntorecognizefaces.Wealltakehisabilityforgranted.Wealsotellpeopleapartbyhowtheybehave.Whenwetalkaboutsomeone’spersonality,wemeanthewaysinwhichheorsheacts,speaks

7、,thinksandfeels,whichmakethatindividualdifferentformothers.Likethehumanface,humanpersonalityisverycomplex.Butdescribingsomeone'spersonalityinwordsissomewhateasierthandescribinghisface.Ifyouwereaskedtodescribewhata"niceface"lookedlike,youprobablywouldhaveadifficulttimedoingso.B

8、utifyouwereaskedtodescribea"niceperson",youmightbegintothinka