2021版高考英语一轮复习Unit2Fitforlife课后达标检测牛津译林版选修7.doc

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1、Unit2Fitforlife课时练1　2篇阅读＋1篇完形[学生用书P379(单独成册)]阅读理解A(2020·安徽五校质检)Wehumansareaddictedtosugar.Thatmakessense.Allanimalsneedsugartolive.It’sthefuelthatpowersourcells.Soit’snotsurprisingthatwe’reborntowantthesweetstuff.Sugarstoresthesun’senergylikeabattery.Afterameal,yourbodybreaksdownfoodsintoth

2、eirbuildingblocks.Itusessomesugarforenergyrightaway.Therestgetstoredforthebodytobreakdownlater.It’samyththatsugarmakesyouextremelyexcited,buthavingasugarysnackcangiveyouaquickburstofenergy.That’sbecausethesugarinsweetfoodsiseasyforyourbodytoturnintofuel.Whenyoueatotherkindsoffoods,likeveget

3、ables,ittakeslongerforyourbodytobreakthesugardown.Thesedaysit’seasytofindsweetsnacks.Sodas,candy,cakesandevenfoodsthatseemhealthy,suchasyogurt,canbepackedwithsugar.Foodmakersaddsugar,becausetheyknowthattohumans,sweetmakeseverythingtastebetter.Americanseatabout20teaspoonsofextrasugareveryday

4、.That’swaymorethanwhatisgoodforus.Eatingtoomuchsugarcancausemorethanastomachache.Itcanmakepeopleoverweight,decaytheteethandevencausediabetes.However,expertsaren’tworriedaboutnaturallysweetfoods—theproblemisaddedsugar.Sogoaheadandenjoysweetapplesorevensugar—richcarrotsthatarealsofullofvitami

5、nsandothergoodstuff.Evencakeisgreatonceinawhile,aslongasyoudon’toverdoit.Afterall,noonewantslifetobedull.Andyourbodyneedsitsfuel!【解题导语】　本文是一篇说明文。糖能给人体提供必需的能量，且易分解，人天生需要糖分；虽然甜食尝起来可口，但是我们不要过多食用。1．Thefirsttwoparagraphsaremainlydevelopedby________．A．causeandeffect　　　　B．problemandsolution14C．giv

6、ingexamplesD．makingcomparisonsA　解析：写作手法题。根据第一段尾句“Soit’snotsurprisingthatwe’reborntowantthesweetstuff.”和第二段倒数第二句“That’sbecausethesugarinsweetfoodsiseasyforyourbodytoturnintofuel.”，并结合第一、二段的内容可知，第一段解释了人天生需要糖的原因；第二段解释了甜食能快速补充能量的原因；据此可推知，第一、二段是通过解释因果的方法组织内容的，故A项正确。2．Peoplemaybetrickedintoeating

7、toomuchsugarbecause________．A．noonewantslifetobeboringB．we’reborntowantthesweetstuffC．socalledhealthyfoodcanbepackedwithsugarD．sugaristhefuelfortheplantsandanimalsontheearthC　解析：细节理解题。根据第三段第一、二句“Thesedaysit’seasytofindsweetsnacks.Sodas,candy,cakesandeven