Unit7Grammar写作指导（知识点练习题）人教版英语八年级下册

八年级英语下册Unit7Grammar写作指导一、知识点【语法】（一）原级比较as…as…也可表示两者进行比较，但前后并无差别，表示的是原级之间的比较；两个as中间用形容词或副词原级“和…一样…”Eg:Thisbikeisasnewasthatone.这辆自行车和那辆一样新。（二）形容词比较级形容词比较级在英语中，对两者进行比较时，形容词要用比较级形式1.形容词比较级变化规则：①一般词尾加er；Eg:talltaller;longlonger②以字母e结尾直接加rEg:nicenicer;finefiner③以重读闭音节结尾的形容词，双写结尾字母，再加erEg:bigbigger;thinthinner④以“辅音字母+y”结尾的形容词，先把y变I,再加erEg:heavyheavier;busybusier2.形容词比较级的基本句型：（1）基本句型：A+be动词+形容词比较级+than+B表示“A比B更……”Eg:ShanghaiisbiggerthanHongkong.上海比香港更大。（2）进行选择性比较时，可用：Which/Who+be动词+形容词比较级，AorB？表示“A和B中，哪个/谁更……”Eg:Whoistaller,SallyorSandy?谁更高，莎莉还是珊迪？（三）形容词、副词的基本用法及副词的比较级（1）多音节形容词变比较级在词前加more.Eg:popularmorepopular（2）不规则形容词的变化：good/wellbetter;bad/ill/badlyworse;many/muchmore;littleless;farfarther/further;oldolder/elder（3）副词的基本用法：副词主要用来修饰动词、形容词和副词。Eg:(1)Heplaysfootballwell.他足球踢得很好。(2)Thegirlisreallybeautiful.那个女孩真的很漂亮。(3)Youshouldlistentotheteachercarefullyinclass.你应该上课认真听老师讲课。许多副词是由“形容词+后缀ly”构成Eg:carefulcarefully;safesafely;busybusily;quickquickly;heavyheavily（4）副词比较级同形容词的比较级变化规则相同。（5）比较级用法：1.形容词比较级通常用于连系动词之后或名词之前Eg:Mybedroomisbiggerthanyours.我的卧室比你的大。2.副词比较级用于实义动词之后。Eg:Annarunsfasterthanbefore.安娜跑得比以前快。3.“比较级+than+比较级”表示“越来越…”（a）通常er构成比较级，直接用“比较级+and+比较级”（b）多音节用moreandmore+adj./adv.的结构来表示越来越…Eg:colderandcolder“越来越冷”；moreandmorebeautiful“越来越漂亮”4.“the+比较级，the+比较级”表示“越…，就越…”Eg:Themoreyouread,themoreyouwillknow.“你读的越多，你就会知道的越多。”5.比较级前可用much,alittle,even,still,alot等词修饰Eg:Herunsalittlefasterthanme.他跑得比我快一点。（四）形容词、副词最高级1.形容词、副词最高级的构成：（1）规则变化：①一般在词尾加estEg:longlongest;fastfastest②以e结尾的词加stEg:nicenicest;latelatest③重读闭音节，双写结尾字母加estEg:bigbiggest;hothottest④以辅音加y结尾，变y为i，加estEg:heavyheaviest;funnyfunniest⑤多音节词前加mostEg:difficultmostdifficult（2）不规则变化：good/wellbest;ill/bad/badlyworst;many/muchmost;littleleast;farfarthest/furthest;oldoldest/eldest2.形容词、副词最高级用法：当三者或三者以上进行比较时，用形容词或副词的最高级。“the+形容词/副词最高级+of/in/among…”是使用的形式of/in/among…表示范围，形容词最高级前常加定冠词the，副词最高级前的the可以省略。注意：当形容词最高级前有物主代词或所有格等修饰词，不可加the。Eg:(1)IsShanghaithebiggestcityinChina?上海在中国是最大的城市吗？(2)Ofallthesubjects,IlikeEnglishbest.在所有学科中，我最喜欢英语。(3)Lilyisthemostcarefulofthethreechildren丽丽是三个孩子中是最认真的。(4)Sheismybestfriend.她是我最好的朋友。【写作】本单元写作主题为“自然之最以及我们可爱的动物朋友们”写作步骤：第一步：引出话题（介绍最喜欢或最受欢迎的某种动物）第二步：展开叙述（介绍其体重，寿命，外貌及生活习惯）第三步：总结（喜欢或保护它的原因等）范文：众所周知，野生动物变得越来越少。原因是由于人类对自然环境的破坏及吃野生动物；保护措施为欸要提高人们对保护环境的重要性，多种树，少砍树，不吃野生动物Asweallknow,thenumberofwildanimalsisgettingsmallerandsmaller.Ontheonehand,manypeoplepollutetheenvironment.Ontheotherhand,somepeopleliketoeatwildanimals.Wemustdosomethingtostopthis.Firstly,wemustrealizetheimportanceofprotectingourearth.Secondly,wecanplantmoretreesinsteadofcuttingdownthem.Thirdly,weshouldn’teatwildanimalsanymore.Allinall,everyoneofusshoulddoourpartinsavingthesewildanimals.二、练习题一、单项选择()1.Maryis______onweekendsthanweekdays.A.busyB.muchbusierC.thebusiestD.muchbusiest.()2.Whichcountryhasthe______populationintheworld?China.It’salittle______thanthatofIndia.A.most;mostB.largest;largerC.more;mostD.bigger;biggest()3.Pleaseremember,______carefulyouare,_____mistakesyouwillmake.A.themore;themoreB.thefewer;themoreC.themore;thefewerD.theless;theless()4.Dannyruns______intheclass.Nobodyrunsfasterthanhim.A.fastB.fasterC.thefastestD.fastest()5.LinShuhaoisoneof______basketballplayersintheNBA.A.popularB.morepopularC.mostpopularD.themostpopular()6.Anniedecidestowork______harderandgetbettergradesnextyear.A.manyB.muchC.veryD.little二、用所给词的适当形式填空1.Thisquestionisquite______.Thatoneis______thanthisone.(difficult)2.Ithinktabletennisisas________assoccer.(excite)3.Chinaisoneofthecountrieswiththe_______history.(long)4.Theclothesinthisshoparethe_______inthecity.(cheap)5.Indiahasthesecond_______populationintheworld.(large)三、任务型阅读ChinaisacountryinEastAsia.Itislargeinmorethanoneway.Morethan1.4billionpeoplelivehere.That’saboutafifthofallthepeopleonEarth!AndChinaisthethirdlargestcountrybytotalareaintheworld.Itcoversabout9.6millionsquarekilometers.Thislargecountryhasmanydifferentkindsofland.Ithassomeverylowareasofland.Infact,thesecondlowestpointonEarthisinChina.ItisAydingLakeintheTurpanDepresssion(吐鲁番盆地).OtherpartsofChinahavemountains.Forexample,partoftheHimalayanMountainisinthewestpartofthecountry.Thisareahasthehighestmountainintheworld.Thesnowinthemountainsisasourceofmanyrivers.Infact,thesnowmakestwoofChina’smostimportantrivers.TheyaretheYellowRiverandtheYangtzeRiver.TheYellowRiverisChina’s(1)_____longestriver.ItisveryspecialtotheChinesecivilization(文明).TheYangtzeRiveristhelongestriverinAsiaandthe(2)______longestriverintheworld!TherearethousandsofriversinChina.Butthereisstilldesertinthecountry.Andrainforestsarealsoinsomeareasofthecountry.Sovisitorscanenjoydiverselandscapes(多样的景色)inthiscountry!任务一、根据短文内容完成下面的句子（每空一词）1.ThefirstparagraphtellsusChina’sposition,______and______.2.Therearethesecond______depressionandthe_______mountainintheworld.任务二、在短文的（1）（2）处填入合适的单词3.（1）_________（2）________任务三、回答下面的问题4.What’sthemeaningoftheunderlinedwordinthethirdparagraph?任务四、根据短文内容，选择正确答案()5.Wheremightthepassageefrom?A.AgeographymagazineB.AdiaryC.AstorybookD.Anotice四、阅读短文，将方框里的五个句子还原到短文中It’sJune,andsummervacationwillbeginsoon.That’sagoodthing.Mostkidslovesummervacationthey’veworkedhardduringtheschoolyearand1.______.Also,thefreedomofsummergivesthemselfesteem(自尊心),happiness,andcreativity.Whenkidshavefreetime,2.______,causingthemtofeelgoodaboutthemselvesandbelieveinthemselves.Butthere’sanotherside:thefreedomofsummercancausethe“summerdrop,”wherekidsforgetsomeofthereading,writingandmathskills3.______.Manystudentsgodowninreadinglevelsduringthesummer.Mathskillsarealsoeasilyforgettableforkidsduringthetwomonthsofschoolbreak.Alotofteachersspendweeksplayingcatchupinthefalltomakeupforthesummerdrop.Toavoidthisdroopinlearning,4.______Travelingcanbeafantasticwayforparentstoencouragecontinuedlearningduringthesummertime.Whethertakingthekidsonaroadtriptovisitfamily,orgettingonaflighttotravelinadifferentprovinceorcountry,thelearningpossibilitiesareendless.Ifyouandyourfamilyhavearoadtriporvacationplannedthissummer,5.______.Withalittleplanning,parentscancreatelearningopportunitiesthataresofun.Thekidswon’tevenrealizeyouareputtingeducationintotheirfreetimequietlyandsecretly.A.They’velearnedatschool.B.TheyshouldgetsomefreetimetohavefunC.TheyofteneupwiththeirowngamesandprojectsD.TakeadvantageofthetimetoaddsomefunlearningactivitiesE.It’suptoparentstoencouragecontinuedlearningduringthesummer五、写作本周末有一批外国游客要来到动物园参观大熊猫，假如你是他们的导游，请写一篇发言稿，向游客介绍一下大熊猫，要求不少于80词附：参考答案一、16BBCDDB二、1.difficult;moredifficult2.exciting3.longest4.cheapest5.largest三、1.population;si