2019高考英语一轮达标Unit1Festivalsaroundtheworld练题含解析新人教版必修3.doc

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1、Unit1Festivalsaroundtheworld一、阅读理解阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。Thosewhoclaimbananasarefatteningarguethatbananascausethebodytomakelotsofinsulin(胰岛素)，andinsulincausesfatgrowth.Howmuchinsulinweproduceisrelatedtohowfastfoodbeessugarinourbloodstream.Howcanyouknowiffoodmake

2、salotofsugarquickly?Theglycemicindex(血糖指数)，orGIratingtellsus.FoodswithGIscoresabove75areconsideredhighGIfoods，leadingtofastersugardevelopment.BananashaveaGIof62，whichisconsideredlow.Weightlosscanbeastruggleforanyone，butitisespeciallyhardfordiabetics(糖尿病患者)．Astudylookedathow

3、thestarchfromunripebananasaffectedtheweightofagroupofobesediabetics.Afterfourweeksofadiethighinbananas，diabeticslostsignificantlymoreweightthanonacontroldiet.Theyalsosawimprovementsininsulinsensitivityfromthebananadiet.What'smore，bananashavebeenshowntocutrisksofstrokes，diab

4、etesandcancers(Bananasarethemostpowerfulfruitforloweringtheriskofkidneycancer.)．Bananasarealsoarichsourceoffiber，whichhasbeenshowntohelpweightloss.Bananasthatstillhavesomegreenontheskinareevenhigherinfiber.Skinsfromgreenbananascanbetakenand，afterremovingthestemanddarktip，cu

5、tintosmallpieces23incheslongand1/2inchwide.Thesepiecescanbemadeintoateaoraddedtoadish.Whenyoueattheskins，besureyouareeatingorganicbananas.Thefleshofregularbananasislowinpesticides，buttheskinsarenot.1．WhatconclusioncanwedrawfromParagraphs1&2?A．Bananasarelikelytomakepeoplefat

6、.B．Insulindeterminestheamountofsugar.C．LowGIfoodscanturnintosugarmoreslowly.D．Thefasterthefoodbeessugar，thelessinsulin.2．Whatdoestheauthorsayaboutbananas?A．Includingbananasindietsisgoodforhealth.B．Bananascancurepeoplesufferingkidneycancer.C．Eatingorganicbananasprotectpeople

7、fromstrokes.D．Bananas'abundantfiberimprovesinsulinsensitivity.3．Whatisdiscussedinthelastparagraph?A．Theuseofbananaskins.B．Thebenefitsofbananaskins.C．Theimportanceofbananaskins.D．Thewaysofchoosingorganicbananas.4．Inwhichsectionofanewspapercanwereadthispassage?A．Education.B．H

8、ealth.C．Culture.D．Science.【解题导语】本文反驳了“吃香蕉会使人发胖”这一错误观点，告诉大家香蕉不会使身体分泌很多胰岛素而导致脂肪增加，相反