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1、课时训练(十三) Units7-8(八下)(限时:30分钟)Ⅰ.[xx·温州]阅读理解 Diabetesiscausedbyagroupofmetabolicdisorders’inwhichtherearehighbloodsugarlevelsoveralongperiodoftime.Therearethreemaintypesofdiabetes: ·Type1Diabetesresultsfromthebodynothavingenoughinsulin. ·Type2Diabetesmainlyhap
2、penstothosewhodonothaveenoughphysicalexercise,eattoomuchunhealthyfoodandgettooheavy. ·GestationalDiabetesisthethirdmainform.Itappearswhenawomanishavingababy.Shewillprobablygetwellagainafterthebirthofthebaby. Diabetescanbringseriousproblems.Peoplewithdiabetes,e
3、speciallytheType1,willeasilygetthirstyandhungry,andquicklyloseweight.Ifitisnottreated,itwilldeveloprapidly(weeksormonths),andcausemanylong-termplications.Alltheplicationsrelatetodamagetobloodvessels.Forexample,damagetotheeyes.Itiscausedbydamagetothebloodvesselsi
4、ntheeyes,andresultsingradualvisionlossandblindness.Theplicationswillgreatlyincreasetheriskofdiabetes,bywhichabout75%ofthedeathsarecaused. AccordingtoareportfromtheWHO(WorldHealthOrganization)inxx,about415millionpeoplehavediabetesworldwide,whichmeans8.3%oftheadu
5、ltsintheworldhavediabetes.Ofallthecases,85%to90%areType2Diabetes.Thatistosay,mostcasesofdiabetesresultfromtheunhealthylifestyle.Diabetesdoublesaperson’sriskofearlydeath,fromxxtoxx,about1.5to5milliondeathseachyearresultedfromthisdisease.Theglobaleconomiccostofdia
6、betesinxxwasaround612billionUSD. Ahealthylifestylecanhelppreventdiabetes.Doingalotofphysicalactivitiesandhavingahealthydietwillhelphavenormalbodyweight.Higherlevelsofphysicalactivity(morethan90minutesperday)canreducetheriskofdiabetesby28%.Healthydietincludesfoo
7、dsrichinwholegrainsandfiber,foodswithgoodfatsfromnuts,vegetableoilsandfish,littlesugar,andlessredmeat.1.Diabetesis . A.aseriousdiseaseB.adamagetobloodlevelsC.anunhealthylifestyleD.anunusualbloodlevel2.Accordingtothepassage,whatproblemcandiabetescause?A.Aperso
8、ngetstooheavy.B.Apersondoesn’twanttoeat.C.Apersonbeesblind.D.Awomanwillnothaveababy.3.TheWHOreport(xx)tellsusthatintheworld . A.8.3%ofthepeoplehavediabetesB.85%to9
