英语必修三Unit2重点习题合集

英语必修三Unit2重点习题合集同学们，英语必修三的第二单元是我们学习过程中的一个重要节点，它不仅涵盖了丰富的词汇和核心语法，还涉及到对特定话题的深入理解与表达。为了帮助大家更好地巩固本单元所学知识，查漏补缺，我精心整理了这份重点习题合集。希望通过这些练习，大家能够更扎实地掌握知识点，提升综合运用能力。请大家务必认真对待，独立完成后再对照参考答案进行反思。一、核心词汇与短语（一）单词拼写根据句意及首字母或中文提示，写出下列单词的正确形式。1.Itisimportanttohaveabalancedandn______dietinourdailylife.2.Thedoctoradvisedhimtoq______smokingforthesakeofhishealth.3.Regularexerciseisb______tobothphysicalandmentalwell-being.4.Shehasahealthya______towardslife,alwayslookingonthebrightside.5.Therestaurantoffersawidev______ofdeliciousdishestochoosefrom.（二）词性转换用括号内所给单词的适当形式填空。1.The______(consume)offastfoodhasincreaseddramaticallyinrecentyears.2.Weshouldpaymoreattentiontothe______(nutrient)valueofthefoodweeat.3.A______(balance)dietprovidesallthenecessaryvitaminsandminerals.4.Hewas______(curiosity)aboutwhatwasinsidethebox.5.Thenewpolicyhas______(able)manypeopletoaffordbetterhealthcare.（三）短语填空从方框中选择适当的短语并用其正确形式填空，每个短语限用一次。（方框内容：putonweight,loseweight,keepfit,berichin,cutdownon）1.Ifyouwantto______,you'dbettertakemoreexerciseandeatlessfat.2.Thiskindoffruit______vitaminsandisverygoodforyourhealth.3.Manypeoplefinditdifficultto______aftertheSpringFestival.4.It'simportantto______byhavingregularexerciseandahealthydiet.5.Doctorssuggestthatweshould______sugarintaketoreducetheriskofdiabetes.二、重点句型与语法（一）单项选择从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1.You______behungryalready-youhadlunchonlytwohoursago!A.wouldn'tB.can'tC.mustn'tD.needn't2.IfI______you,I______moreattentiontothelabelsonfoodproducts.A.was;wouldpayB.were;wouldpayC.am;willpayD.were;willpay3.Itisimportantthatwe______ahealthylifestylefromanearlyage.A.developB.developedC.todevelopD.developingA.stopsB.stoppedC.stopD.willstop5.______youeat,______youwillbe.A.Thehealthier;thestrongerB.Healthier;strongerC.Themorehealthy;themorestrongD.Morehealthy;morestrong（二）句型转换按要求改写下列句子，每空一词。1.Itisnecessaryforustokeepabalanceddiet.(改为同义句)We____________keepabalanceddiet.2."Youshouldreadthenutritionfactscarefully,"theteachersaidtous.(改为间接引语)Theteacheradvisedus____________thenutritionfactscarefully.3.Eatingtoomuchjunkfoodcauseshealthproblems.(改为被动语态)Healthproblems____________byeatingtoomuchjunkfood.三、阅读理解与语篇理解阅读下面短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。Passage1Eatinghabitsaredifferentindifferentcountries.TheChinesehaveasaying"Eatgoodthingsforbreakfast,eatabigmealforlunch,buteatlessatdinner."ManyAmericansagreethatoneshouldstartthedaywithagoodbreakfast,buttheirideasaboutlunchanddinneraredifferent.MostAmericansonlygivethemselvesashorttimeforlunch.Sotheyeatasmalllunch.Afterworktheywillhavemoretimetoeatabigdinner.Alsoaquietdinnerathomewithallthefamilytalkingabouttheirdayisawaytorestafteralong,harddayofwork.1.WhichofthefollowingisTRUEaccordingtothepassage?A.ChineseandAmericansbotheatabigdinner.B.Chineseeatasmalllunch,whileAmericanseatabigone.C.Americanspreferanoisyenvironmentwheneatingatrestaurants.D.Chineseliketohavedinnerwithfamilytalkingabouttheirday.2.WhydomostAmericanseatasmalllunch?A.Becausetheywanttoeatmoreatdinner.B.Becausetheyhavenotimetoeatmuchatnoon.C.Becausetheythinkasmalllunchisgoodforhealth.D.Becausetheydon'tliketoeatmuchduringtheday.3.ThemanagerwillbeangryifsomeonetalksloudlyinanAmericanrestaurantbecause______.A.it'sbadfortherestaurant'sbusinessB.thefoodwillgetcoldD.it'sagainstthelaw四、书面表达假设你是李华，你的英国笔友Peter来信询问你的饮食习惯。请你根据以下要点给他回一封邮件，介绍你的日常饮食情况及你对健康饮食的看法。要点：1.你的一日三餐通常吃什么；2.你是否喜欢吃零食，为什么；3.你对健康饮食的理解和建议。注意：1.词数80左右；2.可适当增加细节，以使行文连贯；3.开头和结尾已给出，不计入总词数。DearPeter,I'mgladtoreceiveyourletteraskingaboutmyeatinghabits.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua参考答案与解析（部分）一、核心词汇与短语（一）1.nutritious2.quit3.beneficial4.attitude5.variety（二）1.consumption2.nutritional3.balanced4.curious5.enabled（三）1.loseweight2.isrichin3.putonweight4.keepfit5.cutdownon*解析：注意短语在具体语境中的时态和语态变化。例如，第5题中“should”后接动词原形。“berichin”表示“富含……”，是描述事物性质的常用短语。*二、重点句型与语法（一）1.B(can't表示否定推测，“不可能”)2.B(虚拟语气，与现在事实相反，从句用were，主句用woulddo)3.A(Itisimportantthat...从句中用虚拟语气，should+动词原形，should可省略)5.A(The+比较级,the+比较级表示“越……，越……”)*解析：情态动词表推测是本单元的重点。must用于肯定推测，can't用于否定推测，may/might表示可能性较小的推测。虚拟语气的用法也需重点掌握，尤其是在建议、命令、要求等从句中的应用。*三、阅读理解与语篇理解Passage1:1.A2.B3.C*解析：做阅读理解时，要注意细节定位和推理判断。例如第一题，需对比中西方关于三餐的不同看法。第二题答案可从“MostAmericansonlygivethemselvesashorttimeforlunch.”得出。*四、书面表达（范文仅供参考，注意语句通顺，符合邮件格式和要点）DearPeter,I'mgladtoreceiveyourletteraskingaboutmyeatinghabits.Forbreakfast,Iusuallyhavemilk,breadandanegg,whichgivesmeenoughenergyforthemorning.Atschool,Ihav