2019版高三英语一轮复习 第1部分 基础知识解读 课时提能练10 unit 7 the sea（b）北师大版必修3

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1、Unit7　TheSea(B)Ⅰ.阅读理解(2017·辽宁省部分重点高中第三次联考)Thosewhoclaimbananasarefatteningarguethatbananascausethebodytomakelotsofinsulin(胰岛素),andinsulincausesfatgrowth.Howmuchinsulinweproduceisrelatedtohowfastfoodbecomessugarinourbloodstream.Howcanyouknowiffoodmakesalotofsugarquickl

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

3、munripebananasaffectedtheweightofagroupofobesediabetics.Afterfourweeksofadiethighinbananas,diabeticslostsignificantlymoreweightthanonacontroldiet.Theyalsosawimprovementsininsulinsensitivityfromthebananadiet.What'smore,bananashavebeenshowntocutrisksofstrokes,diabetesan

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

5、tintosmallpieces2—3incheslongand1/2inchwide.Thesepiecescanbemadeintoateaoraddedtoadish.Whenyoueattheskins,besureyouareeatingorganicbananas.Thefleshofregularbananasislowinpesticides,buttheskinsarenot.【语篇解读】　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，香蕉对身体健康有着诸多

6、好处。1．WhatconclusioncanwedrawfromParagraphs1&2?A．Bananasarelikelytomakepeoplefat.B．Insulindeterminestheamountofsugar.C．LowGIfoodscanturnintosugarmoreslowly.D．Thefasterthefoodbecomessugar,thelessinsulin.C　[考查推理判断。根据第二段中“Howcanyouknowiffoodmakesalotofsugarquickly?Theglyc

7、emicindex(血糖指数)...fastersugardevelopment.”可知，血糖指数高的食物往往能更快地转化成糖分，反之，血糖指数低的食物转化成糖分的速度较慢。故选C。]2．Whatdoestheauthorsayaboutbananas?A．Includingbananasindietsisgoodforhealth.B．Bananascancurepeoplesufferingkidneycancer.C．Eatingorganicbananasprotectpeoplefromstrokes.D．Bananas

8、'abundantfiberimprovesinsulinsensitivity.A　[考查推理判断。根据文章第三段中的“diabeticslostsignificantlymoreweightthanonacontroldiet.Theyalso