2009年高考英语最新阅读理解课堂精选练习（4）

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1、嘉兴英语教学网www.jxenglish.com收集整理欢迎使用（一）Whydomendieearlierthanwomen?Thelatestresearchmakesitknownthatthereasoncouldbethatmen’sheartsgointorapiddeclinewhentheyreachmiddleage.Thelargeststudyoftheeffectsofageingonthehearthasfoundthatwomen’slongevitymaybelinkedtothefactthattheirheartsdonotlosetheirpumpingpow

2、erwithage.“Wehavefoundthatthepowerofthemaleheartfallsby20-25percentbetween18and70yearsofage,”saidtheheadofthestudy,DavidGoldspinkofLiverpoolJohnMooresUniversityintheUK.“Withinthehearttherearemillionsofcellsthatenableittobeat.Betweentheageof20and70,one-thirdofthosecellsdieandarenotreplacedinmen,”said

3、Goldspink.“Thisispartoftheageingprocess.”Whatsurprisesscientistsisthatthefemaleheartseesverylittlelossofthesecells.Ahealthy70-year-oldwoman’sheartcouldperformalmostaswellasa20-year-oldone’s.“Thisgenderdifferencemightjustexplainwhywomenlivelongerthanmen,”saidGoldspink.Theystudiedmorethan250healthymen

4、andwomenbetweentheagesof18and80,focusingonhealthypersonstoremovetheconfusinginfluenceofdisease.“Theteamhasyettofindwhyageingtakesagreaterlossonthemaleheart,”saidGoldspink.Thegoodnewsisthatmencanimprovethehealthoftheirheartwithregularexercise.Goldspinkstressedthatwomenalsoneedregularexercisetoprevent

5、theirlegmusclesbecomingsmallerandweakerastheyage.1.Theunderlinedword“longevity”inthesecondparagraphprobablyrefersto“________”.A.healthB.longlifeC.ageingD.effect2.Thetextmainlytalksabout________.A.men’sheartcellsB.women’sageingprocess、C.thegenderdifferenceD.heartsandlonglife3.Accordingtothetext,theUK

6、scientistshaveknownthat________.A.womenhavemorecellsthanmenwhentheyarebornB.womencanreplacethecellsthatenablethehearttobeatC.thefemaleheartlosesfewofthecellswithageD.womenneverlosetheirpumpingpowerwithage嘉兴英语教学网www.jxenglish.com收集整理欢迎使用嘉兴英语教学网www.jxenglish.com收集整理欢迎使用4.Ifyouwanttolivelonger,youshoul

7、d________.A.enableyourhearttobeatmuchfasterB.findoutthereasonforageingC.exerciseregularlytokeepyourhearthealthyD.preventyourcellsfrombeinglost5.Wecanknowfromthepassagethat________.A.thereasonwhyageing