高考英语一轮复习 unit 2 healthy eating单元检测卷[新人教版]必修3

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1、Unit2HealthyeatingⅠ.阅读理解Whydomenliveashorterlifethanwomen?Thelatestresearchindicatesthatmen'sheartsgoingintoarapiddeclinewhentheyreachmiddleagecouldbethecause.Theresearchofageingonthehearthasshownthatwomen'slongevitymaybelinkedtothefactthattheirheartsdono

2、tlosemuchpumpingpowerwithage.“Wehavefoundthatthepowerofthemaleheartfallsby20percent—25percentbetween20and70yearsofage,”saidtheheadofthestudy,SamanthaofLiverpoolJohnMooresUniversityintheUK.“Withinthehearttherearemillionsofcellswhichmakeitbeat.Betweentheage

3、sof20and70,one-thirdofthosecellsdieandarenotreplacedinmen,”saidSamantha.“Thisispartoftheageingprocess.”Whatamazesscientistsisthatthefemaleheartsuffersverylittlelossofthesecells.Ahealthy70-year-oldwoman'sheartcouldworkalmostasperfectlyasa20-year-oldone's.“

4、Thisgender(性别)differencemightgivethereasonwhymenliveshorterthanwomen.”saidSamantha.Theystudiedover250healthymenandwomenbetweentheagesof17and80,whoaremainlyhealthypersonssoastoreducetheinfluenceofdisease.“Theteamhasyettothinkaboutwhyageingsuffersagreaterlo

5、ssonthemaleheart.”saidSamantha.Butthereisalsogoodnews—mencanenjoythehealthoftheirheartswithregularexercise.Samanthastressedthatwomenshouldalsotakeregularexercisetostoptheirlegmusclesgettingweakerastheyage.1.Theunderlinedword“longevity”inthesecondparagraph

6、means“______”.A.healthB.longlifeC.ageingD.effect2.Thetextmainlytalksabout______.A.men'sheartcellsB.women'sageingprocessC.thegenderdifferenceD.heartsandlonglife3.Accordingtothetext,theUKscientistshaveknownthat_____.A.menhavefewercellsthanwomenwhentheyarebo

7、rnB.womencanproducethecellsthatmaketheheartbeatC.thefemaleheartsufferslesslossofthecellswithageD.womenwillneversufferthelossofpumpingpowerwithage4.Ifyouwanttolivealonglife,youshould______.A.enableyourhearttobeatmuchfasterB.thinkaboutthereasonforageingC.ta

8、keregularexercisetokeepyourhearthealthyD.stopyourcellsfrombeinglost6Whileitisimpossibletolivecompletelyfreeofstress,itispossibletopreventstressaswellasreduceitseffectwhenitcan'tbeavoided.5Tryphysicalactivity.6Runnin