浙江省杭州市第一中学七年级英语第8单元课后练习题及答案

浙江省杭州市第一中学七年级英语第8单元课后练习题及答案第1页共1页浙江省杭州市第一中学七年级英语第8单元课后练习题及答案一、单项选择题（共10小题，每题2分）（每小题只有一个选项符合题意，请把正确选项的字母填在题后括号内）1.Whatdoyouusuallydoafterschool?A.IwatchTVathome.B.Iplaybasketballwithmyfriends.C.Ihelpmyparentswithhousework.D.Igotothelibrarytoreadbooks.参考答案：B2.Howoftendoyouvisityourgrandparents?A.Everyday.B.Everyweek.C.Everymonth.D.Everyyear.参考答案：C3.Whatsubjectdoyoulikebest?A.Math.B.English.C.Science.D.Art.参考答案：B4.Whoisyourfavoriteteacher?A.Mr.Smith.B.Mrs.Johnson.C.Mr.Brown.D.MissLee.参考答案：A5.Whatdoyoudowhenyouaretired?A.Ilistentomusic.B.Iwatchamovie.C.Igotobedearly.D.Idrinkcoffee.参考答案：C6.Whatisyourfavoritesport?A.Swimming.B.Running.C.Dancing.D.Painting.参考答案：A7.Whatdoyouusuallyeatforbreakfast?A.Breadandmilk.B.Eggsandtoast.C.Noodlesandsoup.D.Riceandvegetables.参考答案：A8.Whattimedoyouusuallygetup?A.6:00a.m.B.7:00a.m.C.8:00a.m.D.9:00a.m.参考答案：B9.Whatdoyoudoafterlunch?A.Itakeanap.B.Iplaywithmypet.C.Idohomework.D.Ireadabook.参考答案：C10.Whatisyourplanfortheweekend?A.Iwillgotothecinema.B.Iwillvisitmyfriends.C.Iwillstudyathome.D.Iwillgoshopping.参考答案：B二、填空题（共10小题，每题2分）（请把正确答案直接填写在题中横线上，填写不完整的不得分）1.Whatdoyouusuallydoafterschool?参考答案：do2.Howoftendoyouplaybasketball?参考答案：play3.Canyouswim?Yes,I______.参考答案：can4.Whattimedoyouhavelunch?参考答案：have5.Therearemanybooksinthelibrary.Youcan______them.参考答案：borrow6.Please______yourhomeworkbeforeclass.参考答案：finish7.Whatdoyouthinkaboutprotectingtheenvironment?参考答案：think8.Howdoyouusuallygotoschool?参考答案：go9.Whatdoyoudowhenyouaretired?参考答案：takearest10.CanyouhelpmewithmyEnglishhomework?参考答案：yes三、判断题（共10小题，每题2分）（正确的打“√”，错误的打“×”，把判断符号填在题后括号内）1.TheweatherinShanghaiisusuallysunnyandhotinsummer.参考答案：√2.Myfatheroftengoestothegymafterworktostayfit.参考答案：×3.Eatingvegetablesandfruitsisgoodforyourhealth.参考答案：√4.It'simportanttodrinkenoughwatereveryday.参考答案：√5.Playingcomputergamesfortoolongisbadforyoureyes.参考答案：√6.Youshouldwearahelmetwhenyourideabike.参考答案：√7.Recyclingpapercanhelpprotecttheenvironment.参考答案：√8.It'spolitetosay"thankyou"whensomeonehelpsyou.参考答案：√9.Studyhardeverydaytogetgoodgrades.参考答案：×10.Helpingyourparentswithhouseworkisagoodhabit.参考答案：√四、简答题（共8小题，每题2分）（请分点作答，语言简明、要点齐全，写在对应题目下方的横线上）1.Pleasebrieflydescribethebenefitsofrecyclingpaper.参考答案：Recyclingpapercanhelpprotecttheenvironmentbysavingtrees.Itcanalsosaveenergyandreducepollution.Furthermore,itcancreatenewjobsintherecyclingindustry.2.Whatarethemaindifferencesbetweenplayingcomputergamesforfunandplayingthemfortoolong?参考答案：Playingcomputergamesforfunisawaytorelaxandenjoyyourself.However,playingthemfortoolongcanbeharmful.Itcancauseeyeproblems,poorposture,andlackofphysicalactivity.Itcanalsoaffectyourstudiesandsociallife.3.Howdoyouusuallyspendyourweekend?Pleaselistatleastthreeactivities.参考答案：Iusuallyspendmyweekendplayingbasketball,readingbooks,andwatchingmovies.4.TheweatherinShanghaiisusuallyhotandhumidinsummer.Whatshouldpeopleweartostaycool?参考答案：Peopleshouldwearlight-coloredandbreathableclothes,suchasT-shirtsandshorts,tostaycoolinhotandhumidweather.Usingfansorairconditionerscanalsohelp.5.It'spolitetosay"thankyou"inEnglish.Canyougivetwootherpoliteexpressions?参考答案：Otherpoliteexpressionsinclude"please"and"excuseme."6.Studyhardeverydaytogetgoodgrades.Whyisitimportanttobehonestwhentakingexams?参考答案：Beinghonestwhentakingexamsisimportantbecauseitshowsrespectfortherulesandtheworkofothers.Italsohelpsmaintaintheintegrityoftheeducationalsystem.Cheatingcanleadtonegativeconsequences,suchaslosingtrustandfacingdisciplinaryaction.7.Howdoyouusuallygettoschool?Pleasementionatleasttwoways.参考答案：Iusuallygettoschoolbybusorbybike.8.Eatingvegetablesandfruitsisimportantforhealth.Whatarethreebenefitsofeatinghealthyfood?参考答案：Eatinghealthyfoodhasmanybenefits,suchasimprovingphysicalhealth,boostingtheimmunesystem,andprovidingenergy.Itcanalsohelpmaintainahealthyweightandreducetheriskofdiseases.五、应用题（共8小题，每题3分）（请写出必要的文字说明、方程式和重要的演算步骤，只写最后结果不得分）1.Afactoryproducestwotypesofsportsequipment:basketballsandfootballs.Eachbasketballrequires3unitsofrubberand2unitsofleather.Eachfootballrequires2unitsofrubberand3unitsofleather.Thefactoryhas120unitsofrubberand90unitsofleatheravailable.Ifthefactorydecidestoproduceonlybasketballs,howmanybasketballscantheymake?Whatisthemaximumprofittheycanearniftheyproduceacombinationofbasketballsandfootballs,giventhattheprofitfromeachbasketballis5andtheprofitfromeachfootballis7?A.40basketballs,200profitB.30basketballs,150profitC.50basketballs,250profitD.60basketballs,300profit参考答案：B2.Asportsteamistrainingforamarathon.Theywanttocreateatrainingschedulethatincludesrunningandcycling.Eachhourofrunningburns10caloriesperkilogramofbodyweight,andeachhourofcyclingburns7caloriesperkilogramofbodyweight.Theteamwantstoburnatleast500caloriespertrainingsession.Iftheteamhas4hoursavailablefortraining,howmanyhoursshouldtheyspendrunningandcyclingtomeettheirgoal?A.3hoursrunning,1hourcyclingB.2hoursrunning,2hourscyclingC.1hourrunning,3hourscyclingD.4hoursrunning,0hourscycling参考答案：A3.Afarmerisplanningtoplantanewcropofvegetables.Hehas100acresoflandavailable.Hewantstoplanttomatoes,whichyield10tonsperacre,andcucumbers,whichyield8tonsperacre.Thefarmerwantstoproduceatleast800tonsofvegetables.Ifhedecidestoplantonlytomatoes,howmanyacreswillheneed?Whatisthemaximumprofithecanearnifheplantsacombinationoftomatoesandcucumbers,giventhattheprofitfromeachtonoftomatoesis3andtheprofitfromeachtonofcucumbersis2?A.80acresoftomatoes,240profitB.90acresoftomatoes,270profitC.70acresoftomatoes,210profitD.60acresoftomatoes,180profit参考答案：A4.Agroupoffriendsisorganizingacharityevent.Theywanttoraisemoneybysellingraffletickets.Eachadultticketcosts5andeachchildticketcosts2.Thegroupwantstoraiseatleast500.Iftheysell100ticketsintotal,howmanyadultticketsandchildticketsshouldtheyselltomeettheirgoal?A.50adulttickets,50childticketsB.60adulttickets,40childticketsC.70adulttickets,30childticketsD.80adulttickets,20childtickets参考答案：A5.Acompanyisproducingtwotypesofgadgets:smartphonesandtablets.Eachsmartphonerequires4unitsofmetaland2unitsofplastic.Eachtabletrequires3unitsofmetaland3unitsofplastic.Thecompanyhas100unitsofmetaland90unitsofplasticavailable.Ifthecompanydecidestoproduceonlysmartphones,howmanysmartphonescantheymake?Whatisthemaximumprofittheycanearniftheyproduceacombinationofsmartphonesandtablets,giventhattheprofitfromeachsmartphoneis10andtheprofitfromeachtabletis8?A.25smartphones,250profitB.20smartphones,200profitC.30smartphones,300profitD.35smartphones,350profit参考答案：B6.Aschoolisplanningafieldtriptoasciencemuseum.Theyhave200studentsand20teachersparticipating.Themuseumcharges5perstudentand3perteacherforadmission.Theschoolwantstospendatleast1000onthefieldtrip.Iftheydecidetobuyacombinationofstudentandteachertickets,howmanyofeachtypeofticketshouldtheybuytomeettheirgoal?A.150studenttickets,50teacherticketsB.100studenttickets,100teacherticketsC.50studenttickets,150teacherticketsD.200studenttickets,0teachertickets参考答案：A7.Acompanyisproducingtwotypesofelectronicdevices:laptopsandtablets.Eachlaptoprequires5unitsofmetaland3unitsofplastic.Eachtabletrequires3unitsofmetaland4unitsofplastic.Thecompanyhas150unitsofmetaland120unitsofplasticavailable.Ifthecompanydecidestoproduceonlylaptops,howmanylaptopscantheymake?Whatisthemaximumprofittheycanearniftheyproduceacombinationoflaptopsandtablets,giventhattheprofitfromeachlaptopis12andtheprofitfromeachtabletis9?A.30laptops,360profitB.25laptops,300profitC.35laptops,420profitD.40laptops,480profit参考答案：B8.Asportsteamistrainingforatriathlon.Theywanttocreateatrainingschedulethatincludesswimming,cycling,andrunning.Eachhourofswimmingburns8caloriesperkilogramofbodyweight,eachhourofcyclingburns7caloriesperkilogramofbodyweight,andeachhourofrunningburns10caloriesperkilogramofbodyweight.Theteamwantstoburnatleast600caloriespertrainingsession.Iftheteamhas5hoursavailablefortraining,howmanyhoursshouldtheyspendswimming,cycling,andrunningtomeettheirgoal?A.2hoursswimming,2hourscycling,1hourrunningB.1hourswimming,3hourscycling,1hourrunningC.3hoursswimming,1hourcycling,1hourrunningD.1hourswimming,1hourcycling,3hoursrunning参考答案：A标准答案与解析一、单项选择题1.参考答案：B解析：本题考查〈日常活动〉。选项A、C、D描述了不同的日常活动，但选项B“我经常和朋友们打篮球”更符合一般学生的课后活动，因此B是正确答案。2.参考答案：C解析：本题考查〈频率副词用法〉。选项A“每天”、B“每周”、D“每年”都是频率副词，但“everymonth”（每月）更符合学生访问祖父母的常见频率，因此C是正确答案。3.参考答案：B解析：本题考查〈喜好表达〉。选项A、C、D都是学科名称，但题目问的是最喜欢的科目，根据七年级学生的常见兴趣，英语通常更受欢迎，因此B是正确答案。4.参考答案：A解析：本题考查〈人物识别〉。选项B、C、D都是老师姓名，但题目问的是最喜欢的老师，根据七年级学生的常见选择，Mr.Smith通常是更受欢迎的老师，因此A是正确答案。5.参考答案：C解析：本题考查〈应对疲劳的方法〉。选项A、B、D都是娱乐活动，但题目问的是疲劳时的做法，根据健康常识，去睡觉是最佳选择，因此C是正确答案。6.参考答案：A解析：本题考查〈运动喜好〉。选项B、C、D都是运动或艺术活动，但题目问的是最喜欢的运动，根据七年级学生的常见兴趣，游泳通常更受欢迎，因此A是正确答案。7.参考答案：A解析：本题考查〈早餐习惯〉。选项B、C、D都是早餐食物，但题目问的是通常吃的早餐，根据常见早餐习惯，面包和牛奶是更常见的搭配，因此A是正确答案。8.参考答案：B解析：本题考查〈起床时间〉。选项A、C、D都是具体时间，但题目问的是通常起床时间，根据七年级学生的作息，7:00a.m.是更常见的起床时间，因此B是正确答案。9.参考答案：C解析：本题考查〈午餐后活动〉。选项A、B、D都是午餐后的活动，但题目问的是通常午餐后的做法，根据学生习惯，做作业是更常见的活动，因此C是正确答案。10.参考答案：B解析：本题考查〈周末计划〉。选项A、C、D都是周末计划，但题目问的是计划做什么，根据学生社交需求，访问朋友是更常见的计划，因此B是正确答案。二、填空题1.参考答案：do解析：本题考查动词原形。根据题干中的“do”和“usuallydo”，可以确定这里需要填写动词原形。根据句意，放学后通常做什么，所以填写“do”。2.参考答案：play解析：本题考查动词原形。根据题干中的“do”和“usuallydo”，可以确定这里需要填写动词原形。根据句意，多久打一次篮球，所以填写“play”。3.参考答案：can解析：本题考查情态动词。根据题干中的“Canyouswim?”和“Yes,I______.”，可以确定这里需要填写情态动词“can”。根据句意，你会游泳吗？是的，我会。4.参考答案：have解析：本题考查动词原形。根据题干中的“havelunch”，可以确定这里需要填写动词原形。根据句意，你几点吃午饭，所以填写“have”。5.参考答案：borrow解析：本题考查动词原形。根据题干中的“manybooksinthelibrary”和“Youcan______them.”，可以确定这里需要填写动词原形。根据句意，图书馆里有很多书，你可以借它们，所以填写“borrow”。6.参考答案：finish解析：本题考查动词原形。根据题干中的“beforeclass”和“Please______yourhomework”，可以确定这里需要填写动词原形。根据句意，上课前请完成你的作业，所以填写“finish”。7.参考答案：think解析：本题考查动词原形。根据题干中的“aboutprotectingtheenvironment”和“Whatdoyouthink?”，可以确定这里需要填写动词原形。根据句意，你认为保护环境怎么样，所以填写“think”。8.参考答案：go解析：本题考查动词原形。根据题干中的“toschool”和“Howdoyouusuallygo?”，可以确定这里需要填写动词原形。根据句意，你通常怎么去学校，所以填写“go”。9.参考答案：takearest解析：本题考查动词短语。根据题干中的“whenyouaretired”和“Whatdoyoudo?”，可以确定这里需要填写动词短语。根据句意，当你累的时候，你做什么，所以填写“takearest”。10.参考答案：yes解析：本题考查情态动词。根据题干中的“Canyouhelpme?”和“withmyEnglishhomework”，可以确定这里需要填写情态动词的回答。根据句意，你能帮我做英语作业吗？是的，我能。三、判断题1.参考答案：√解析：本题考查〈天气与季节〉。上海位于中国东部沿海地区，属于亚热带季风气候，夏季（6月至8月）气温较高，阳光充足，因此通常天气晴朗炎热。该陈述符合上海夏季的气候特点。2.参考答案：×解析：本题考查〈日常活动与时间表达〉。题干中的"afterwork"指下班后，但并未说明具体是哪一天的工作日，因此不能确定是夏季。该陈述缺乏时间限定，无法判断是否发生在夏季。3.参考答案：√解析：本题考查〈健康饮食〉。蔬菜和水果富含维生素、矿物质和膳食纤维，有助于维持身体健康，预防疾病，因此多吃蔬菜水果对健康有益。该陈述符合健康饮食的原则。4.参考答案：√解析：本题考查〈健康习惯〉。人体需要通过饮水来维持正常的生理功能，每天适量饮水（一般建议1.5-2升）有助于新陈代谢和身体健康。该陈述是科学的健康建议。5.参考答案：√解析：本题考查〈电子产品使用与健康〉。长时间盯着电脑屏幕会导致眼睛疲劳、干涩甚至视力下降，因此对眼睛有害。该陈述符合现代医学对电子产品使用的建议。6.参考答案：√解析：本题考查〈交通安全与个人防护〉。骑自行车时佩戴头盔可以有效地保护头部免受撞击伤害，是重要的安全措施。该陈述符合交通法规和健康安全常识。7.参考答案：√解析：本题考查〈环境保护与资源利用〉。回收利用废纸可以减少树木砍伐，节约资源，减少环境污染，因此有助于保护环境。该陈述符合可持续发展的理念。8.参考答案：√解析：本题考查〈社交礼仪〉。在中文文化中，接受他人帮助后说"谢谢"是基本的礼貌行为，表达感激之情。该陈述符合日常社交礼仪规范。9.参考答案：×解析：本题考查〈学习方法与态度〉。虽然努力学习是获得好成绩的基础，但题干中的"everyday"（每天）过于绝对，学习需要劳逸结合，适当的休息和放松同样重要。该陈述过于绝对化，不符合科学的学习方法。10.参考答案：√解析：本题考查〈家庭责任与个人修养〉。帮助父母做家务是家庭成员之间的互相支持和责任分担的表现，有助于培养孩子的责任感和家庭观念。该陈述符合家庭教育的理念。四、简答题1.参考答案：Recyclingpapercanhelpprotecttheenvironmentbysavingtrees.Itcanalsosaveenergyandreducepollution.Furthermore,itcancreatenewjobsintherecyclingindustry.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于环境保护的知识点。解析：Recyclingpaperisagoodwaytoprotecttheenvironmentbecauseitreducestheneedtocutdowntrees,whichhelpsmaintainforestecosystems.Italsosavesenergycomparedtomakingpaperfromrawmaterials.Additionally,recyclingpapercancreatejobsintherecyclingindustry,contributingtoeconomicgrowth.Theanswercoversmultiplebenefits,includingenvironmentalprotection,energyconservation,andjobcreation.2.参考答案：Playingcomputergamesforfunisawaytorelaxandenjoyyourself.However,playingthemfortoolongcanbeharmful.Itcancauseeyeproblems,poorposture,andlackofphysicalactivity.Itcanalsoaffectyourstudiesandsociallife.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于健康生活方式的知识点。解析：Themaindifferencebetweenplayingcomputergamesforfunandplayingthemfortoolongliesintheamountoftimespentandtheimpactonhealthandlife.Fungamingisaleisureactivity,whileexcessivegamingcanleadtophysicalandmentalhealthissues.Theanswerhighlightsthecontrastbetweenmoderateandexcessivegaming,emphasizingtheimportanceofbalance.3.参考答案：Iusuallyspendmyweekendplayingbasketball,readingbooks,andwatchingmovies.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于日常活动的话题。解析：Thequestionasksforatleastthreeactivitiesspentontheweekend.Theanswerprovidesthreespecificactivities:playingbasketball,readingbooks,andwatchingmovies.Theseactivitiesarecommonandrelatableforstudents,makingtheanswereasytounderstandandfollow.4.参考答案：Peopleshouldwearlight-coloredandbreathableclothes,suchasT-shirtsandshorts,tostaycoolinhotandhumidweather.Usingfansorairconditionerscanalsohelp.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于应对炎热天气的知识点。解析：Inhotandhumidweather,it'simportanttowearclothesthathelpthebodystaycool.Light-coloredandbreathablefabrics,likecottonT-shirtsandshorts,areideal.Additionally,usingfansorairconditionerscanproviderelieffromtheheat.Theanswerofferspracticalsuggestionsforstayingcool.5.参考答案：Otherpoliteexpressionsinclude"please"and"excuseme."解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于礼貌用语的知识点。解析：While"thankyou"isacommonpoliteexpression,thereareotherpolitephrasesaswell."Please"isusedtomakerequestspolitely,and"excuseme"isusedtogetsomeone'sattentionorapologizeforaminormistake.Theanswerprovidestwoadditionalpoliteexpressions,expandingontheconceptofpolitenessinEnglish.6.参考答案：Beinghonestwhentakingexamsisimportantbecauseitshowsrespectfortherulesandtheworkofothers.Italsohelpsmaintaintheintegrityoftheeducationalsystem.Cheatingcanleadtonegativeconsequences,suchaslosingtrustandfacingdisciplinaryaction.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于诚实和考试的知识点。解析：Honestyduringexamsiscrucialforseveralreasons.Itdemonstratesrespectfortherulesandtheeffortofotherstudents.Italsoupholdsthefairnessandintegrityoftheeducationalsystem.Cheatingcanhaveseriousconsequences,includinglossoftrustanddisciplinaryactions.Theanswerexplainstheimportanceofhonestyinaclearandconcisemanner.7.参考答案：Iusuallygettoschoolbybusorbybike.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于交通方式的知识点。解析：Thequestionasksforatleasttwowaystogettoschool.Theanswerprovidestwocommontransportationmethods:takingthebusandridingabike.Theseoptionsarepracticalandrelevantforstudents,makingtheanswereasytounderstandandapply.8.参考答案：Eatinghealthyfoodhasmanybenefits,suchasimprovingphysicalhealth,boostingtheimmunesystem,andprovidingenergy.Itcanalsohelpmaintainahealthyweightandreducetheriskofdiseases.解析：本题考查《浙江省杭州市第一中学七年级英语第8单元课后练习题及答案》第8单元关于健康饮食的知识点。解析：Healthyeatingoffersnumerousadvantages.Itimprovesoverallphysicalhealth,strengthenstheimmunesystem,andprovidestheenergyneededfordailyactivities.Additionally,ithelpsmaintainahealthyweightandreducestheriskofvariousdiseases.Theanswercoversmultiplebenefits,emphasizingtheimportanceofabalanceddiet.五、应用题1.参考答案：B解析：本题考查〈代数应用题中的线性方程组求解与优化问题〉。设篮球数量为x，足球数量为y，则有以下约束条件：3x+2y≤120（橡胶限制）2x+3y≤90（皮革限制）x≥0,y≥0（非负整数）利润函数为P=5x+7y。我们需要找到满足约束条件的x和y，使得P最大。通过图解法或单纯形法，可以找到最优解为x=30,y=20，此时P=5×30+7×20=250。选项B正确。选项A错误，因为40个篮球需要120个橡胶和80个皮革，超出皮革限制。选项C错误，因为50个篮球需要150个橡胶，超出橡胶限制。选项D错误，因为60个篮球需要180个橡胶，超出橡胶限制。2.参考答案：A解析：本题考查〈代数应用题中的线性方程组求解与优化问题〉。设跑步时间为x小时，骑行时间为y小时，则有以下约束条件：x+y=4（总时间）10x+7y≥500（总热量）我们需要找到满足约束条件的x和y，使得x和y为非负整数。将x=4-y代入热量不等式，得到10(4-y)+7y≥500，解得y≤2.857。因为y必须为整数，所以y最大为2。当y=2时，x=2，此时热量为10×2+7×2=34，不满足条件。当y=1时，x=3，此时热量为10×3+7×1=37，不满足条件。当y=0时，x=4，此时热量为10×4+7×0=40，不满足条件。因此，没有满足条件的解，无法完成训练目标。3.参考答案：A解析：本题考查〈代数应用题中的线性方程组求解与优化问题〉。设种植番茄的面积为x亩，种植黄瓜的面积为y亩，则有以下约束条件：x+y=100（土地限制）10x+8y≥800（产量限制）x≥0,y≥0（非负整数）利润函数为P