2020_2021学年高中英语Unit2HealthyeatingSectionⅣGrammar_情态动词Ⅱ课时作业含解析新人教版必修320210127114.doc

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1、课时作业(八)　Unit2　HealthyeatingSectionⅣ　Grammar——情态动词(Ⅱ)(本栏目内容，在学生用书中以独立形式分册装订！)Ⅰ.选词填空1．Mymothersuggestedthatwe________(should/will)gotothenatureparkthisweekend.答案：　should2．Ifyouearnmorethan5,000yuan，you________(haveto/can)paytax(税)．答案：　haveto3．You________(can’

2、t/needn’t)gototheweddinginthatoldshirt.Itisoutoffashion.答案：　can’t4．You________(oughtto/will)giveupsmoking.Itdoesnogoodtoyourhealth.答案：　oughtto5．Ifyoucanlendmethemoney，I________(shouldn’t/needn’t)gotothebank.答案：　needn’t6．You________(oughtn’tto/won’t)goonwork

3、ingbecauseyoulooksotirednow.答案：　oughtn’tto7．You________(shouldn’t/needn’t)laughatherjustbecauseherEnglishisn’tverygood.答案：　shouldn’t8．Thestudents________(mustn’t/needn’t)makeanoiseinthereadingroom.答案：　mustn’t9．You’reJohn’sgoodfriend，soyou________(must/havet

4、o)knowwhathelikestodoattheweekend.答案：　must10．You________(couldn’t/needn’t)havetakenataxihere，foritwasveryneartomyhouse.答案：　needn’tⅡ.阅读理解Oneday，apatientcametoseeme.Heworkedasawaiterinarestaurantandhisproblemwasacidreflux(胃酸倒流)，adiseasethatinfluencesasmanyas4

5、0percentofAmericans，amarkedincreaseinrecentyears.Refluxcanleadtoesophageal(食道的)cancer，whichhasincreasedbyabout500percentsincethe1970s.Thedrugsweusetotreatrefluxdon’talwaysworkandmayevenincreasetheriskofdevelopingcancerwhenusedlongterm.Whatisresponsibleforth

6、eseworryingdevelopments？Forone，ourpoordiet，withitshugeincreasesintheintakeofsugar，fat，softdrinks，andunhealthyfoods.Butanotherimportantfacthasbeenoverlooked：dinnertime.Overthepasttwentyyears，thetimeofmypatients’eveningmealshasbecomelaterandlater.Dinner－alrea

7、dypushedbackbylongerworkhours－isoftenfurtherdelayed(推迟)byactivitiessuchasshoppingandexercise.Inmyexperience，thesinglemostimportanttreatmentforrefluxistoavoidlateeating.Apatientwithrefluxcametoseemebecauseherfatherandunclediedofesophagealcancer，andshewasafra

8、idofgettingittoo.Hernightlyroutine(常规)includeda9pmdinnerwithatleasttwobottlesofredwine.Therefluxwasserious，andchangeswereneeded.Shelistened，thendidnotcomebacktoseemeforayear.“Forthefirsttwomonths，Ijust