Unit+7復(fù)習(xí)課件 人教版八年級英語下冊

Unit7What'sthehighestmountainintheworld???1.規(guī)則變化:

①單音節(jié)詞和少數(shù)雙音節(jié)詞一般在詞尾后加-er

構(gòu)成比較級或-est構(gòu)成最高級.②以不發(fā)音的字母e結(jié)尾的單詞在詞尾直接加r或st.③以“輔音字母＋y”結(jié)尾的詞，變y為i，再加er或est.④在重讀閉音節(jié)中，末尾只有一個(gè)輔音字母，雙寫這個(gè)輔音字母，再加er或est.⑤多音節(jié)詞和部分雙音節(jié)詞在詞前加more或most.??2.不規(guī)則變化：原級比較級最高級good/wellbad/illlittlemany/muchfarold拓：Farther和Further技巧:當(dāng)你實(shí)際測量或知道兩個(gè)實(shí)體之間的距離時(shí)，使用“Farther”eg:Becauseofthefog,wearen'tabletoseefartherthan30meters.否則你可以使用“Further”。eg:furtherstudy進(jìn)修；繼續(xù)深造換句話說，如果沒有提到或暗示實(shí)際距離，可以使用“Further”，它也可以用來表示附加的或者更進(jìn)一步的。Haveatry寫出下列詞的比較級和最高級1、fast，easy，fat，

popular，hungry，busy2、happy，interesting，lazy，clever，heavy3、careful，early,thin，good，hot，few，little???二、原級、比較級和最高級的用法：1.原級的用法：肯定句：

as+原級+as+…eg:Youareasbeautifulasme.否定句：notas/so+原級+as+…eg:博爾特can'trunso/asfastasme.2.比較級的用法：①“比較級+than+…

”

eg:Heismorehandsomethanyou.②“Which/Whois+比較級…，AorB?”eg:whoismorehandsome?Youorhim?③“比較級＋and＋比較級”表示“越來越…”eg:xxxbecomemoreandmorebeautiful.④“the+比較級…,the+比較級…”“越…就越…”eg:Theharderwestudy,thebettergradeswewillget.⑤表示不及另一方時(shí)，用“l(fā)ess+原級+than…”eg:Ihavelessmoneythan馬云.⑥the+比較級+ofthetwoeg:XXXisthetallerofyoutwo.能修飾原級的詞有：能修飾比較級的詞有：

(表示“程度”)注意：very,so,as,too,quite,moremuch,alittle,alot,abit,even,stillshowtime1.Ithinkthestoryisnotso___asthatone.A.interestingB.interestedC.moreinterestingD.mostinteresting2.Whenwespeaktopeople,weshouldbe_____.A.aspoliteaspossibleB.aspoliteaspossiblyC.aspolitelyaspossibleD.aspolitelyaspossiblyAA3.Ithinkscienceis______thanJapanese.A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant4.Thesechildrenare__thisyearthantheywerelastyear.A.moretallB.moretallerC.verytallerD.muchtallerCD???3.最高級的用法：①

“the+最高級+in/of(范圍）…

”

eg:ShangHisthebiggestcityinChina.②“Which/Whois+the最高級…？”eg:WhichisthebiggestcityinChina?③“oneofthe+最高級+名詞復(fù)數(shù)in/of(圍）…

”eg:ShangHisoneofthemostbiggestcitiesinChina.④“the+序數(shù)詞+最高級…？”“第幾最…”eg:DongGisthesecondbiggestcityinChina.

當(dāng)最高級前面有物主代詞或名詞所有格時(shí)，不加定冠詞the。注意：例如：TomisLucy’sbestfriend.Tuesdayisherbusiestday.1.Beijingisoneof________inChina.A.thelargestcityB.thelargecitiesC.thelargercitiesD.thelargestcities2.Amongthefourgirls，Maryisthesecond____．A．tallB．tallerC．tallestD．thetallestHaveatryDC1.Mr.Smithis_________maninthisoffice.(rich)2.Winteris_________seasonoftheyears.(cold)3.Thisradioisnotso________asthatone.(cheap)4.Itismuch_______todaythanyesterday.(hot)5.Sheisalittle________thanherclassmates.(careful)6.________peoplecametothemeetingthanlasttime.(many)7.Whichbookis________,thisoneorthatone?(easy)HaveatryLanguagePoints1.據(jù)我所知asfarasIknow=sofarasIknow

①據(jù)我所知，他們今天不來了。SofarasIknow，they’renotcomingtoday.2.放棄某物/做某事①Hegaveup

（learn）athirdlanguageafterhegotthejob.②Thedoctoradvisedmetogiveup

（smoke）③Hehastogiveuphis

（study）becauseofillness.giveupsth/doingsth?？级陶Z做某事成功冒著生命危險(xiǎn)面對困難一個(gè)大挑戰(zhàn)實(shí)現(xiàn)我們的夢想許多次為..準(zhǔn)備在未來保護(hù)…不受…succeedindoingsth.riskone’slifeinthefaceofdifficultiesabigchallengeachieveourdreamsmanytimespreparefor…inthefutureprotect…from(doingsth.)ExtraPoint1、population◆population意為“人口”時(shí)，它在句中作主語時(shí)，謂語動(dòng)詞總是用單數(shù)形式。也可用復(fù)數(shù),側(cè)重個(gè)體.eg:Halftheworld’spopulationdoesn’tgetenoughtoeat.Onethirdofthepopulationhereareworkers.(指不同的地區(qū)、時(shí)期、民族的人口時(shí),可用復(fù)數(shù)形式)

◆當(dāng)表示人口“多”或“少”時(shí)，常用形容詞large，big或small修飾population.eg:Thecountryhasa