资源描述:
《高考英语一轮复习 unit 5 first aid单元检测卷[新人教版]必修5》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、Unit5FirstaidⅠ阅读理解Let’sfaceit.Noonedrinksdietsodaforthetaste.Peopledrinkdietsodainthehopethatitwillhelpthemloseweightoratleastkeepthemfromgainingit.Yetitseemstohaveexactlytheoppositeeffect,accordingtoanewstudy.ResearchersfromtheUniversityofTexassaidthosewhodranktwoormoredietsodasadayhadwaist
2、sizeincreasesthatweresixtimesgreaterthanthosewhodidn’tdrinkdietsoda.“Whatwesawwasthatthemoredietsodasapersondrank,themoreweighttheywerelikelytogain,”saidSharonFowler.Thestudywasbasedondatafrom474participantsinalarge,ongoingresearchproject,wheretheparticipantswerefollowedfornearly10years.Whil
3、ethefindingsaresurprising,theyalsooffersomeexplanations.Nutritionexpert,MelanieRogers,whoworkswithoverweightpatientsinNewYork,hasfoundthatwhenpatientsareswitchedfromregulartodietsoda,theydon’tloseweightatall.“Weweren’tseeingweightlossnecessarily,andthatwasconfusingtous,”saidRogers.Sowhywould
4、dietsodacauseweightgain?Nooneknowsforsureyet,butitcouldbethatpeoplethinktheycaneatmoreiftheydrinkdietsoda,andsoovercompensateforthemissingcalories.Arelatedstudyfoundsomesweeteners(甜味剂)raisedbloodsugarlevelsinsomemice.“Datafromthisandotherpotentialstudiessuggestthatthepromotionofdietsodasand
5、artificialsweetenersmayberisky,”saidHelenP.Hazuda,professorattheUniversityofTexas’sschoolofmedicine.“Theymaybefreeofcalories,butnotofconsequences.”1.Peopledrinkdietsodato.A.enjoyitstasteB.stayinfashionC.achieveweightlossD.gainmoreenergy2.Thenewstudysuggeststhatdrinkingdietsoda.A.causespeople
6、tobecomeheavierB.helpspeopletobehealthierC.makespeoplemuchthinnerD.offerspeoplemorecalories3.Wecanlearnfromthepassagethat.A.regularsodamakespeoplelosemoreweightB.dietsodadrinkerstendtoeatmorefoodC.dietsodadoeshelpreducecaloriesD.mostblooddiseasescomefromdietsoda4.Theunderlinedword“They”inthe
7、lastparagraphprobablyrefersto.5A.sweetenersB.dietsodasandartificialsweetenersC.sodasD.dietsodadrinkersandsweetenertakersThedeadliestEbolaoutbreakinhistorythathassofarkilledalmost1,000peopleinGuinea,Liberia,SierraLeoneandNigeriainWestAfricahascaused