八年級(jí)下冊u(píng)nit7形容詞、副詞的比較等級(jí)專項(xiàng)訓(xùn)練1.形容詞和副詞的比較級(jí)與最高級(jí)的變化規(guī)則情況規(guī)則例詞一般情況直接加-es/-esttall→taller→tallest以不發(fā)音的字母e結(jié)尾的詞加-r/-stnice→nicer→nicest以＂輔音字母+y＂結(jié)尾的詞變y為i，再加-er/-estdry→drier→driestheavy→heavier→heaviest以一個(gè)輔音字母結(jié)尾的詞先雙寫輔音字母，再加-er/-estthin→thinner→thinnest多音節(jié)和部分雙音節(jié)單詞在詞前加more/mostdelicious→moredelicious→mostdelicious（2）不規(guī)則變化原級(jí)比較級(jí)最高級(jí)good,wellbetterbestbad,illworseworstmany,muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest2.形容詞/副詞原級(jí)的用法（1）用于＂as...as...＂結(jié)構(gòu)中，否定形式為notas/so...as...。Thispictureisnotsogoodasthatone.這幅畫不如那幅好。（2）表示＂A是B的……倍＂時(shí)，用A＋謂語動(dòng)詞＋倍數(shù)＋as＋原級(jí)＋asB。Ourschoolistwiceaslargeastheirs.我們學(xué)校是他們學(xué)校的兩倍大。（3）修飾形容詞原級(jí)的詞：very，too，so，enough等。Thegirlissobeautiful.這個(gè)女孩是如此的漂亮。3.形容詞/副詞比較級(jí)的用法（1）A＋謂語動(dòng)詞＋比較級(jí)＋thanB...A比B……Mybikeismorebeautifulthanhers.我的自行車比她的好看。（2）Which/Who＋謂語動(dòng)詞＋比較級(jí)，AorB?Whorunsfaster,JimorTom?誰跑得更快，吉姆還是湯姆？（3）表示＂越來越……＂時(shí)用比較級(jí)的重疊結(jié)構(gòu)，即＂比較級(jí)＋and＋比較級(jí)＂，多音節(jié)詞和部分雙音節(jié)詞用＂moreandmore＋原級(jí)＂。It’sbecomingcolderandcolder.天氣變得越來越冷了。Theproblemisbecomingmoreandmoreserious.問題變得越來越嚴(yán)重了。（4）表示＂越……就越……＂時(shí)用＂the＋比較級(jí)，the＋比較級(jí)＂。Themorecarefulyouare,thefewermistakesyouwillmake.你越細(xì)心，犯的錯(cuò)就會(huì)越少。（5）表示＂兩者之間比較……的一個(gè)＂時(shí)常用＂the＋比較級(jí)＋ofthetwo＂。Heisthethinnerofthetwo.他是兩個(gè)中較瘦的那一個(gè)。（6）修飾比較級(jí)的詞和短語有alittle，abit，alot，much，far，even等。YouarealittlethinnerthanJim.你比吉姆瘦點(diǎn)兒。4.形容詞/副詞最高級(jí)用法（1）三者或三者以上比較用最高級(jí)，形容詞最高級(jí)前加the，副詞可不加。句末常跟in/of短語表示范圍。Tomisthecleverestinhisclass.湯姆是他班里最聰明的。Herunsfastestintheclass.在這個(gè)班里他跑得最快。（2）Which/Who＋謂語動(dòng)詞＋the＋形容詞/副詞最高級(jí)，A，BorC?Whoisthetallest,Tom,KateorBill?誰是最高的，湯姆、凱特還是比爾？（3）表示＂最……的……之一＂時(shí)用oneof＋the＋形容詞最高級(jí)＋復(fù)數(shù)名詞。MissXuisoneofthemostpopularteachersinourschool.徐老師是我們學(xué)校最受歡迎的老師之一。（4）表示＂第幾最……＂時(shí)，可在最高級(jí)前加序數(shù)詞。TheYellowRiveristhesecondlongestriverinChina.黃河是中國的第二長河。（一）單項(xiàng)選擇（）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(港珠澳大橋)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）用所給詞的適當(dāng)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.課后作業(yè)語法選擇Youmaythinkthereisonlysandinthedesertoftheworld,____1_____itisnottrue.Inthedesert,asweknow,thereisalittlerain,butitisnotenoughfor____2_____mostplants.Stillwecanseesomeplants_____3_____inthedesert.There_____4_____waterinsomeplacesinthedesert.Wecalltheseplacesoases(綠洲).Intheoases,therearevillagesandtowns.Peoplegrowallkindsofvegetablesandriceinthefieldsthere.People____5_____liveoutsidetheoases,Theyhavecamels,sheepandotheranimals.Theseanimalsdepend____6_____thedesertplantsfortheirfoodanddonotneed____7____water.Theanimalsareusefultothedesertpeopleinmanyways.Theyeatthemeatanddrinkthemilkoftheanimals.Theyusethecamelsfor_____8_____water,food,andsomethingelse.Thepeopleofthedeserthavetokeep9fromplac