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1、课时训练(十三)Units7-8(八下)(限时:30分钟)Ⅰ.[2018·温州]阅读理解Diabetesiscausedbyagroupofmetabolicdisorders’inwhichtherearehighbloodsugarlevelsoveralongperiodoftime.Therearethreemaintypesofdiabetes:·Type1Diabetesresultsfromthebodynothavingenoughinsulin.·Type2Diabetesmainlyhappenstothosewhodonotha
2、veenoughphysicalexercise,eattoomuchunhealthyfoodandgettooheavy.·GestationalDiabetesisthethirdmainform.Itappearswhenawomanishavingababy.Shewillprobablygetwellagainafterthebirthofthebaby.Diabetescanbringseriousproblems.Peoplewithdiabetes,especiallytheType1,willeasilygetthirstyand
3、hungry,andquicklyloseweight.Ifitisnottreated,itwilldeveloprapidly(weeksormonths),andcausemanylong-termcomplications.Allthecomplicationsrelatetodamagetobloodvessels.Forexample,damagetotheeyes.Itiscausedbydamagetothebloodvesselsintheeyes,andresultsingradualvisionlossandblindness.
4、Thecomplicationswillgreatlyincreasetheriskofdiabetes,bywhichabout75%ofthedeathsarecaused.AccordingtoareportfromtheWHO(WorldHealthOrganization)in2015,about415millionpeoplehavediabetesworldwide,whichmeans8.3%oftheadultsintheworldhavediabetes.Ofallthecases,85%to90%areType2Diabetes
5、.Thatistosay,mostcasesofdiabetesresultfromtheunhealthylifestyle.Diabetesdoublesaperson’sriskofearlydeath,from2012to2015,about1.5to5milliondeathseachyearresultedfromthisdisease.Theglobaleconomiccostofdiabetesin2014wasaround612billionUSD.Ahealthylifestylecanhelppreventdiabetes.Do
6、ingalotofphysicalactivitiesandhavingahealthydietwillhelphavenormalbodyweight.Higherlevelsofphysicalactivity(morethan90minutesperday)canreducetheriskofdiabetesby28%.Healthydietincludesfoodsrichinwholegrainsandfiber,foodswithgoodfatsfromnuts,vegetableoilsandfish,littlesugar,andle
7、ssredmeat.1.Diabetesis. A.aseriousdiseaseB.adamagetobloodlevelsC.anunhealthylifestyleD.anunusualbloodlevel2.Accordingtothepassage,whatproblemcandiabetescause?A.Apersongetstooheavy.B.Apersondoesn’twanttoeat.C.Apersonbecomesblind.D.Awomanwillnothaveababy.3.TheWHOreport(2015)tells
8、usthatintheworld. A.8.3%ofthepeoplehavediabetesB.85%to