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1、重庆市2017高考英语阅读理解选编（20）阅读下列短文，从给的四个选项（A、B、C和D）中，选出最佳选项。（2013・临沂市三模，D）Mapsoftheworld，spopulationshowthatthemajorityofpeopletodaylivenearwater.Welivealongcoastlines,aroundbays,upthecourseofriversandstreamsandonislands.Wealsovacationatthebeachandfindcomfortfishingonalak
2、e・Nothingmakessmal1chi1drenhappierthanthechaneeofplayinginwater.Moresurprisingly,thishumanfavorforwatermakesevolutionary（进化的）sense.Sure,weneeddrinkingwatertolive,butwehavealsobenefitedfromwhat'sswimmingunderthewaves・NeuroscientistCrawfordoftheUniversityofNorthLondo
3、nhasproposedthatourancientancestorsattachedtothesea,andthattheirdevotionpaidoffbyallowingthehumanspeciestodeveloplargeandcomplexbrains.Crawfordclaimsthatwhenhumansseparatedfromapes（类人猿）andappearedintheforestsofAfrica,theystuckclosetoriversandbeachesandstartedcatchi
4、ngfish,clamsandcrabs.Thatseafoodwaspackedwithomega3fattyacids,essentialfattyacidsthatpromotebraincel1growth.It，snocoincidenee,Crawfordclaims,thathumanbraingrowthbegantoincreaserapidlyonceweleftthewoodsandheadedforthebeach・Scientistshavealsodiscoveredthatpeoplewhoea
5、tfishregularlyarelesslikelytosufferfromdepressionthanthosewhoeatlessseafood・BiochemistHibbelinoftheNationalInstitutesofHealthhasshownthatacrossculturesthereisadirectlinkbetweenamountoffisheateneachweekandratesofdepression.Moreinterestingly,HibbelinandresearcherLaur
6、ahavefoundthatfishiscommonlyusedasasymbolofhappinessandgoodhealthinvariousreligionsandcultures・Weknowthatfishandtheseaaregoodforus,andsoweseekthemout・Wevacationonthecoastandseethewavescomeandgo,feelinghappinesshastakenoverourbrain.Whenwemoveinland,orgohomefromvacat
7、ion,welosetouchwithoursearootsandfeelunhappy.文章大意：这是一篇说明文。喜欢水并寻找冇水的地方是人类的天性。1.Toexplainhuman"sfavorforwater,theauthor.A.1istssomeexamplesB.comparessomefactsC.analyzessomenumbersD.raisessomequestions答案：A写作手法题。为了说明人们对水的偏爱，作者在第一段里列举了许多例子。2・Humanbeingshavebenefitedalot
8、fromseafoodbecause.A.seafoodhasenoughwaterandisfreshB.fishesintheseahavelargeandcomplexbrainsC・ourancestorshadnothingtoeatbutseafoodD.itisabundan
