人教版选修八Unit5Meetingyourancestorsusinglanguage课时作业(7).docx

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1、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯Unit5Meetingyourancestorsusinglanguage课时作业Ⅰ.阅读理解A(2018·西桂林九校联合广)Adrugusedtotreatseverebleedingcouldsavethousandsoflivesformothersgivingbirth.Aglobaltrialofthedrugfounditreducedtheriskofbleedingdeathsduringchildbirthbynearlyone-third.Thestudyinvolved20,0

2、00womenin21countries，mainlyinAfricaandAsia.ThetrialwascarriedoutbyLondon’sSchoolofHygieneandTropicalMedicine.Thedrugiscalledtranexamicacid(氨甲环酸).Itislow-costandresearcherssayitdoesnotcauseserioussideeffectsformothersorbabies.Thedrugisusedtotreatmothersforseverebleedingduringchildbirth，alsoknownaspos

3、tpartumhemorrhage(产后出血).Itistheleadingcauseofmother’sdeathworldwide，accordingtotheWorldHealthOrganization.HaleemaShakuristheprojectdirectorofthetrial.Shesaysdespitemedicaladvancesinmanycountries，severebleedingafterchildbirthremainsabigprobleminsomepartsoftheworld.“It’soneofthebiggestkillersofmothers

4、.InAfricaandAsia，about10percentofwomenwillendupwithseverebleeding.”Thedrugworksbystoppingbloodclots(血凝块)frombreakingdownafteramothergivesbirth.Thetreatmentcanpreventtheneedfordoctorstoperformsurgerytofindthesourceofbleeding.Shakursaidthebestresultswerereportedwhenthedrugwasgiventowomenassoonaspossib

5、leafterchildbirth，“Theearlieryougiveit—sowithinthefirstthreehoursofgivingbirth—thebettertheeffectis.”Thenextstepwillbetogetthedrugwhereitisneededandprovidetrainingfordoctorsandnursesonhowtouseit.Duringthetrial，womenweregiventhedruginahospital.Butresearchersarelookingforeasierwaystoadministerthedrugs

6、oitcanbemorewidelyusedinsmallclinicsandruralareas.1.Tranexamicacidisadrugthat.A.shouldbeusedforeverymotherB.helpsmothersbeforegivingbirthC.ensuresmostnew-bornbabies’healthD.canhelpmothersgivingbirthstopbleeding2.Whatistheresearchers’nextplan?A.Toknowhowmuchthedrugis.B.Togetpermissiontousethedrug.C.T

7、oletmorepeopleknowthedrug.D.Tomakemedicalstaffknowhowtousethedrug.1⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯名校名推荐⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯3.Whatcanwelearnfromthetext?A.Themoremothersusethedrug，thebetteritseffectis.B.Africana