Unit+7+形容词副词比较级专项学习 练习 人教版英语八年级下册

八年级下册unit7形容词、副词的比较等级专项训练1.形容词和副词的比较级与最高级的变化规则情况规则例词一般情况直接加-es/-esttall→taller→tallest以不发音的字母e结尾的词加-r/-stnice→nicer→nicest以＂辅音字母+y＂结尾的词变y为i，再加-er/-estdry→drier→driestheavy→heavier→heaviest以一个辅音字母结尾的词先双写辅音字母，再加-er/-estthin→thinner→thinnest多音节和部分双音节单词在词前加more/mostdelicious→moredelicious→mostdelicious（2）不规则变化原级比较级最高级good,wellbetterbestbad,illworseworstmany,muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest2.形容词/副词原级的用法（1）用于＂as...as...＂结构中，否定形式为notas/so...as...。Thispictureisnotsogoodasthatone.这幅画不如那幅好。（2）表示＂A是B的……倍＂时，用A＋谓语动词＋倍数＋as＋原级＋asB。Ourschoolistwiceaslargeastheirs.我们学校是他们学校的两倍大。（3）修饰形容词原级的词：very，too，so，enough等。Thegirlissobeautiful.这个女孩是如此的漂亮。3.形容词/副词比较级的用法（1）A＋谓语动词＋比较级＋thanB...A比B……Mybikeismorebeautifulthanhers.我的自行车比她的好看。（2）Which/Who＋谓语动词＋比较级，AorB?Whorunsfaster,JimorTom?谁跑得更快，吉姆还是汤姆？（3）表示＂越来越……＂时用比较级的重叠结构，即＂比较级＋and＋比较级＂，多音节词和部分双音节词用＂moreandmore＋原级＂。It’sbecomingcolderandcolder.天气变得越来越冷了。Theproblemisbecomingmoreandmoreserious.问题变得越来越严重了。（4）表示＂越……就越……＂时用＂the＋比较级，the＋比较级＂。Themorecarefulyouare,thefewermistakesyouwillmake.你越细心，犯的错就会越少。（5）表示＂两者之间比较……的一个＂时常用＂the＋比较级＋ofthetwo＂。Heisthethinnerofthetwo.他是两个中较瘦的那一个。（6）修饰比较级的词和短语有alittle，abit，alot，much，far，even等。YouarealittlethinnerthanJim.你比吉姆瘦点儿。4.形容词/副词最高级用法（1）三者或三者以上比较用最高级，形容词最高级前加the，副词可不加。句末常跟in/of短语表示范围。Tomisthecleverestinhisclass.汤姆是他班里最聪明的。Herunsfastestintheclass.在这个班里他跑得最快。（2）Which/Who＋谓语动词＋the＋形容词/副词最高级，A，BorC?Whoisthetallest,Tom,KateorBill?谁是最高的，汤姆、凯特还是比尔？（3）表示＂最……的……之一＂时用oneof＋the＋形容词最高级＋复数名词。MissXuisoneofthemostpopularteachersinourschool.徐老师是我们学校最受欢迎的老师之一。（4）表示＂第几最……＂时，可在最高级前加序数词。TheYellowRiveristhesecondlongestriverinChina.黄河是中国的第二长河。（一）单项选择（）1.—_______isQomolangma?—It’s8,844.43meters.It’sveryhardtoclimbthemountain.A.Howlong B.HowdeepC.Howfar D.Howhigh（）2.—DoyouknowthatChinaisoneof______countriesintheworld?—Yes,Ido.It’smuch______thantheUS.A.oldest;older B.theoldest;olderC.theoldest;elder D.theolder;elder（）3.Anniedecidestowork______harderandgetbettergradesnextyear.A.manyB.muchC.very（）4.WhatdoyouthinkofthemovieOperationRedSea?—Wonderful.I’veneverseenamovie______thanit.A.moreexcited B.moreexcitingC.mostexcited D.mostexciting（）5.—InourEnglishstudy,readingismoreimportantthanspeaking.—Idon’tagree.Speakingis_____reading.A.moreimportant B.themostimportantC.asimportantas D.soimportantas（）6.MountLaoisoneof________mountainsinQingdao.Manytouristslikeclimbingiteveryyear.A.famousB.themorefamousC.mostfamousD.themostfamous（）7.Thegirlinredisoneof________studentsinourclass.A.tallB.tallerC.thetallestD.tallest（）8.—The55kilometerHZMB(港珠澳大桥)openedtothepubliconOct.24th,2018.—Itis________cross-seabridgeintheworld,linkingHongKong,ZhuhaiandMacao.A.longB.longerC.longestD.thelongest（）9.Thekidslearntobeindependent,the_______itisfortheirfuture.A.early;goodB.early;betterC.earlier;better D.earlier;good（）10.—Manyboystudentsthinkscienceis_______English. —Iagree.I’mweakinEnglish.A.muchdifficultthanB.sodifficultasC.lessdifficultthan D.moredifficultthan（）11.Mydaughteris_______yearsold.Todayisher_______birthday.A.nine;ninethB.nine;ninthC.ninth;nine（）12.Hewasadvisedtoeatfewerhamburgersanddrink_______colatokeepfit.A.muchB.moreC.fewerD.less（）13.—Idon’tthinkhistoryismoreusefulthanphysics.—Idisagree.Inmyopinion,historyis_____physics.A.asusefulas B.notsousefulas C.lessusefulthan D.themostusefulof（一）用所给词的适当形式填空1.Thisbuildingis_________________(high)thanthatone.2.Changjiangisoneofthe_________________(long)riversintheworld.3.MissBrownis_________________(thin)thanhersister.4.Thisriveris_________________(wide)thanthatone.5.Whoruns_________________(fast),Tim,AdamorMary?6.NewYorkisa_________________(noisy)citythanWashingtonD.C.7.Thisbluecoat_________________(expensive)coatintheclothstore.8.Thisnewstoryis_________________(interest)thanthatone.9.Ithinkswimmingis_________________(dangerous)thanrunning.10.Ican’tfollowyou.Canyouspeak_________________(slow)?11.MissLiisthe_________________(popular)teacherofall.13.HesingsEnglishsongs_________________(well)thanme.13.What’sthe_________________(deep)seaintheworld?14.Whichis_________________(long),thisrulerorthatone?15.Theredboxisthe_________________(heavy)ofthefive.16.Qomolangmaisthe_________________(tall)mountainintheworld.课后作业语法选择Youmaythinkthereisonlysandinthedesertoftheworld,____1_____itisnottrue.Inthedesert,asweknow,thereisalittlerain,butitisnotenoughfor____2_____mostplants.Stillwecanseesomeplants_____3_____inthedesert.There_____4_____waterinsomeplacesinthedesert.Wecalltheseplacesoases(绿洲).Intheoases,therearevillagesandtowns.Peoplegrowallkindsofvegetablesandriceinthefieldsthere.People____5_____liveoutsidetheoases,Theyhavecamels,sheepandotheranimals.Theseanimalsdepend____6_____thedesertplantsfortheirfoodanddonotneed____7____water.Theanimalsareusefultothedesertpeopleinmanyways.Theyeatthemeatanddrinkthemilkoftheanimals.Theyusethecamelsfor_____8_____water,food,andsomethingelse.Thepeopleofthedeserthavetokeep9fromplac