Unit7單詞講解課件人教版英語(yǔ)八年級(jí)下冊(cè)

Unit7What'sthehighestmountainintheworld?形容詞和副詞的比較級(jí)和最高級(jí)形容詞用法：A作定語(yǔ)

Sheisabeautiful

girl.B作表語(yǔ)

Theroomisbig.C作補(bǔ)足語(yǔ)

Wemustkeeptheroomclean.

D修飾不定代詞放其后Ihavesomethingimportanttotellyou.副詞用法A作狀語(yǔ)修飾動(dòng)詞Wemuststudyhard.B修飾形容詞Heisreally

busy.C修飾其他副詞Heworksveryhard.D修飾整個(gè)句子

Luckily,

Igot100pointsthisterm.

形容詞和副詞的級(jí)別三級(jí)

原級(jí)

比較級(jí)

最高級(jí)形容詞

talltallerthetallest副詞hardharderthehardest1．規(guī)則變化1)一般在詞尾加-er和-esttall—_______—________long—_______—________2)以不發(fā)音字母e結(jié)尾的加-r和-stfine—_______—________late—_______—________tallertallestlongerlongestfinerlaterfinestlatest

形容詞和副詞的級(jí)別

三級(jí)

原級(jí)

比較級(jí)

最高級(jí)3)以重讀閉音節(jié)結(jié)尾且末尾只有一個(gè)輔音字母時(shí)，須雙寫這個(gè)輔音字母，再加-er和-estbig—_______—________thin—_______—________4)

以“輔音字母

+

y”結(jié)尾的雙音節(jié)詞，先把“y”改為“i”再加-er,-esteasy—______—______friendly—________—__________5)

多音節(jié)和部分雙音節(jié)，在原級(jí)前加more,mostinteresting—_________________—__________________easierbiggestthinnerthinnestbiggereasiestfriendlierfriendliestmoreinterestingmostinteresting2.不規(guī)則變化

好壞

多少

遠(yuǎn)老good/wellbetterbestmany/muchmoremostlittlelessleastbad/badly/illworseworstfarfartherfurtherfarthestfurthestoldolderoldesteldereldest比較級(jí)句型：

1)“比較級(jí)＋than”表示“___________”

帶thanChinaislargerthanItaly.2)“l(fā)ess＋原級(jí)＋than”表示“________”

降級(jí)比較Thebookislessinterestingthanthatone.比…更…不如…3)“倍數(shù)＋比較級(jí)＋than”表示“…是…的幾倍…”Thisboxisthreetimesbiggerthanthatone.4)“倍數(shù)＋as原級(jí)as…”表示“和…的幾倍一樣…”Thisboxistwice

asbigasthatone.

這個(gè)箱子是那個(gè)的兩倍大。5)“倍數(shù)+the量詞+of…Thebuildingisthreetimestheheightofthatone.6)比較級(jí)＋and＋比較級(jí)”表示“__________”strongerandstronger

moreandmoreinteresting7)“the＋比較級(jí)…，the＋比較級(jí)…”表示“越…就越…

”Themore,thebetter.多多益善。越來越…8)“比較級(jí)＋thananyother＋單數(shù)(包括主語(yǔ))ChinaislargerthananyothercountryinAsia.比較級(jí)+thanany+單數(shù)(不包括主語(yǔ))ShanghaiislargerthananycityinJapan.thananyother+單數(shù)=thantheother+復(fù)數(shù)9)“the＋比較級(jí)＋ofthetwo”表示“兩者中比較…的”。Theappleisthebiggerofthetwo.10)同級(jí)比較句型“as＋原級(jí)＋as”意為“__________”，其否定形式可用“notas/so＋原級(jí)＋as”表示，意為“________”。如：Iamasthinasmymother.我和我媽媽一樣瘦。Theweatherhereisnotas/sohotasthatinWuhan.這里的天氣不如武漢熱。與…一樣不及…※※※比較級(jí)前的修飾詞有：much、far、alot、even、still、alittle、abit等，而原級(jí)用very、so、too、quite等修飾。※※※Ourcityismuchmorebeautifulthanyours.I’malittletallerthanyou.Heisevenlaterthanbefore.Thebookisveryboring.I’mtoolate.最高級(jí)的用法：通常前面有the1.the+最高級(jí)+帶of或in的范圍短語(yǔ)Sheistheyoungestofall.2.…oneofthe+最高級(jí)+名詞復(fù)數(shù)LuXunisoneofthegreatestwritersinChina.3.選擇疑問句Whoisthestrongest,Tom,JackorBill?4.the＋最高級(jí)＋定語(yǔ)從句It'sthemostinterestinggiftthatIhaveeverreceived.5.the+序數(shù)詞+最高級(jí)TheChangjiangRiveris

thefirstlongestriverinourcountry.6.比較級(jí)的否定表示最高級(jí)Noonecanstudybetterthanhiminmyclass.Word:1.squaren正方形平方

squaremeter/kilometerThebuildingis50meters.Howmuchisitforeachsquaremeter?2.metern米公尺3.deepadj深的deeplyThewellis30metersdeep.Iwasmoveddeeplybyhim.4.desertn沙漠Nobodywantstoliveinthedesert.5.populationn人口人口數(shù)量Howlargeisthepopulationofyourcity?What'sthepopulationofthecity?Thepopulationoftheworldisgettinglargerandlarger.對(duì)人口數(shù)量進(jìn)行提問6.Asian亞洲Asian亞洲人ChinaisthelargestcountryinAsia.7.feelfree可以隨便做某事Pleasefeelfreetoaskquestions.feelfreetodosth8.tourv＆n旅游tourist游客IwanttotourtheGreatWallthissummer.Therearemanytouristshereeveryyear.9.walln墻inthewall鑲在墻里onthewall掛在墻體表面beamazedat對(duì)…感到驚奇Hetoldmeanamazingstory.10.amazingadj驚奇的修飾物

amazedadj驚奇的修飾人

moreancientthemostancientThisbuildingismoreancientthanthatone.11.ancientadj古老的

TheancientChinesebuilttheGreatWall.Chinaisanancientcountry.protecttheinvironmentprotect…from…避免…受…傷害Inwinterpeopleusuallykeepflowersintheirhousestoprotectthemfromthecold.12.protectv保護(hù)protectionn保護(hù)Howwideistheriver?13.wideadj寬的—narrow窄的asfarasIsee據(jù)我所見AsfarasIknow，hewasn'tathomeyesterday.14.asfarasIknow據(jù)我所知Thestarisman-made.15.man-made人造的Thisisagreatachievement.16.achievementn成就achievev完成TheHimalayasrunalongthesouthwesternpartofChina.喜馬拉雅山脈綿延到中國(guó)的西南部。17.southwesternadj西南的18.thickadj厚的sweaterfog

thinadj薄的clothesiceHiswritingsincludenovels.Ihavetwopens,includingthisblueone.19.includev包括includingprep包括It'shardtocutoffthefreezingmeat.It'sfreezingtoday.20.freezingadj冰凍的極冷的

freezev冰凍21.conditionn條件狀況ina…condition在…條件下

Weshouldn'tgiveupinanycondition.22.takein吸入吞入takeplacetakeone'splacetakeoffTakinginthefreshairisdifficultonahighmountain.23.successn成功succeedv成功

successfuladj成功successfullyadv成功地besuccdssfulindoingsthsucceedindoingsth成功做某事havesuccessindoingsthFailureisthemotherofsuccess.Hewassuccessfulingettingtothetop.Hesucceededingettingtothetop.Hegottothetopofthehillsuccessfully.｝24.challengev＆n挑戰(zhàn)不可數(shù)changeoneself挑戰(zhàn)自己

Helookedatmewithenoughchallenge.Tomchallengesmetoplaychess.25.inthefaceof面對(duì)Weshouldchallengeourselvesinthefaceofdifficulties.26.forcen力量theforceof…的力量Heusedmuchforce.Imakeitwithgreatforce.27.naturen自然naturaladj自然的Ilikegoingoutinnature.28.eventhough=evenif即使引導(dǎo)讓步狀語(yǔ)從句Hewenttoschooleventhoughitsnowed.29.ocean=sea大海海洋thePacificOcean太平洋Itlookslikeanoceanofflowers30.cm=centimeter厘米Theboy180cmtall.31.weighv稱重是…weight重量

Thetelephantweighsmanytimesmorethanthepanda.32.birthn出生atbirth出生時(shí)givebirthto生產(chǎn)分娩Hewasfourkiloswhenhewasborn.atbirth.33.upto到達(dá)（數(shù)量或程度）Thestudentsofourschoolisupto800.Thedogcanliveupto30years34.adultadj成年的n成人Theyhaveanadultson.35.bamboon竹子Thepandalikeseatingbamboo.36.endangeredadj瀕危的beendangered=beingreatdangerWeshouldprotecttheendangeredanimals.37.researchn＆v研究調(diào)查Theresearchshowedthatnobodylikesplayingsports.makearesearchon…做…的研究38.keepern飼養(yǎng)員IwanttobeakeeperwhenIgrowup.39.awakeadj醒著的

wakev叫醒

beawake是醒著的wakesbup叫醒Heisstillawake.40.excitementn激動(dòng)興奮exciting修飾物excited修飾人withexcitement帶有興奮的…Theyjumpedupanddownbecauseoftheexcitement.Thegirlrunovertohermotherwithexcitement.41.walkinto走路時(shí)撞到Thepigwalksintoatree.42.fallover絆倒向前傾倒Mybrotherfelloverandhurthislegs43.orso大約Ilivehereorso30years.44.illness疾病ill生病的Hedidn'tgotoschoolbecausehewasill.becauseofhisillness.45.wildadj野生的Weshouldprotectthewildanimals.46.governmentn政府Wedon'tdependonthegovernment.47.whalen鯨Whalesliveinthesea.48.oil油不可數(shù)Oilandwaterdon'tmix.49.protectionn保護(hù)protectv保護(hù)Weshouldmakerulesonwhaleprotection.50.hugeadj巨大的極多的

large占地面積big物體Thewhaleisakindofhugeanimal.Howtoprotectourenvironment?

Asstudents,weshouldtryourbesttoprotectourenvironment.

Nowthepollutionismoreandmoreserious.Toomanycarsareontheroad.Sowe