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ID:9599119
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页数:4页
时间:2018-05-03
《高考英语阅读理解专题练习(4)》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、高考英语阅读理解专题练习(4)(一)Whydomendieearlierthanwomen?Thelatestresearchmakesitknownthatthereasoncouldbethatmen’sheartsgointorapiddeclinewhentheyreachmiddleage.Thelargeststudyoftheeffectsofageingonthehearthasfoundthatwomen’slongevitymaybelinkedtothefactthattheirheartsdonotlose
2、theirpumpingpowerwithage.“Wehavefoundthatthepowerofthemaleheartfallsby5percentbetween18and70yearsofage,”saidtheheadofthestudy,DavidGoldspinkofLiverpoolJohnMooresUniversityintheUK.“Withinthehearttherearemillionsofcellsthatenableittobeat.Betweentheageofnd70,one-thirdoft
3、hosecellsdieandarenotreplacedinmen,”saidGoldspink.“Thisispartoftheageingprocess.”Whatsurprisesscientistsisthatthefemaleheartseesverylittlelossofthesecells.Ahealthy70-year-oldwoman’sheartcouldperformalmostaswellasaear-oldone’s.“Thisgenderdifferencemightjustexplainwhywo
4、menlivelongerthanmen,”saidGoldspink.Theystudiedmorethan250healthymenandwomenbetweentheagesof18and80,focusingonhealthypersonstoremovetheconfusinginfluenceofdisease.“Theteamhasyettofindwhyageingtakesagreaterlossonthemaleheart,”saidGoldspink.Thegoodnewsisthatmencanimprov
5、ethehealthoftheirheartwithregularexercise.Goldspinkstressedthatwomenalsoneedregularexercisetopreventtheirlegmusclesbecomingsmallerandweakerastheyage.1.Theunderlinedword“longevity”inthesecondparagraphprobablyrefersto“________”.A.healthB.longlifeC.ageingD.effect2.Thetex
6、tmainlytalksabout________.A.men’sheartcellsB.women’sageingprocess、C.thegenderdifferenceD.heartsandlonglife3.Accordingtothetext,theUKscientistshaveknownthat________.A.womenhavemorecellsthanmenwhentheyarebornB.womencanreplacethecellsthatenablethehearttobeatC.thefemalehe
7、artlosesfewofthecellswithageD.womenneverlosetheirpumpingpowerwithage4.Ifyouwanttolivelonger,youshould________.A.enableyourhearttobeatmuchfasterB.findoutthereasonforageingC.exerciseregularlytokeepyourhearthealthyD.preventyourcellsfrombeinglost5.Wecanknowfromthepassaget
8、hat________.A.thereasonwhyageingtakesagreaterlossonthemalehearthasbeenfoundoutB.scientistsareonthewaytofindingoutwhythemaleh
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