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1、Unit1ArtⅠ.阅读理解A[2018·四川广安一诊]ItistruethatteacomesfromaplantknownasCamelliasinensis.Thedifferenttypesofteadependupontheregioninwhichitisgrown,harvestingtimeandtheprocedureofprocessing.Basically,therearefourmajorclassesoftea:white,oolong,greenandblacktea.One
2、oftheleastprocessedand,thepurestformsofteaarethewhitetea.Thisteatypehasverylowcontentofcaffeineandappearsalightcolor,asthenameindicatesandamildflavor.Duetothepresenceofhighamountofhealthychemicals,itishelpfulinfightingskinrelatedhealthproblemsandingetting
3、afaircolorofskin.Anotherteatypeistheoolongtea,alsocalledaswulongteaatsomeplaceswhichhasveryrichflavorandhasasweetfragrance.Itisfermented(发酵)buttoalimitedlevelbecauseofwhich,thecaffeinecontentinitisabout15%ofwhatisinacupofcoffee.Drinkingthisteaprovestobeus
4、efulintreatingobesity,whichisreducingtheweight.Asopposingtooolongtea,theblackteaisfullyfermented,asaresultofwhichithascaffeineofapproximately20%ofwhatispresentinacupofcoffee.Ifyouconsumeblackteaeveryday,youwillbeabletoregulatethecholesterol(胆固醇)levelsinth
5、ebodyandalsokeepingyourcirculatorysystemhealthy.Italsoadjustscardiovascular(心血管的)function.Thelastteatypeisthegreenteathatismostlypreferredbymanypeopleowingtoitsmultiplehealthbenefits.Similartothewhitetea,thisteaalsohaslesscaffeinethatisonly5%10%ofcaffeine
6、inonecupofcoffee.Thistypeofteaisalsogoodtomaintainthecholesterolandbloodsugarlevelswithintheacceptablerange.Inaddition,theyhelpinpreventingtoothrotandotherteethrelatedillness.So,youcanchoosethatvarietythatyoufindgoodwithregardtoitstasteandhealthbenefits.篇
7、章导读：本文是一篇说明文。文章介绍了白茶、乌龙茶、红茶和绿茶各自的特点以及对人体的各种有益功效。1．Accordingtothetext,whichareyouadvisedtodrinkifyouwanttogetyourskinbetter?A．Whitetea.B．Oolongtea.C．Blacktea.D．Greentea.答案：A 细节理解题。根据文章第二段最后一句中的“itishelpfulinfightingskinrelatedhealthproblemsandingettingafai
8、rcolorofskin”可知，白茶能够帮助人们解决与皮肤有关的问题，使肤色更好。故选A项。2．Whatdoestheunderlinedword“regulate”inParagraph4probablymean?A．Decrease.B．Increase.C．Improve.D．Adjust.答案：D 词义猜测题。画线词所在句句意为：如果每天都喝红茶，能够调节体内胆固醇含量，并且保持循环系统健康。由此可猜测，regulat
