Unit7What'sthehighestmountainintheworld???1.規則變化:

①單音節詞和少數雙音節詞一般在詞尾后加-er

構成比較級或-est構成最高級.②以不發音的字母e結尾的單詞在詞尾直接加r或st.③以“輔音字母＋y”結尾的詞，變y為i，再加er或est.④在重讀閉音節中，末尾只有一個輔音字母，雙寫這個輔音字母，再加er或est.⑤多音節詞和部分雙音節詞在詞前加more或most.??2.不規則變化：原級比較級最高級good/wellbad/illlittlemany/muchfarold拓：Farther和Further技巧:當你實際測量或知道兩個實體之間的距離時，使用“Farther”eg:Becauseofthefog,wearen'tabletoseefartherthan30meters.否則你可以使用“Further”。eg:furtherstudy進修；繼續深造換句話說，如果沒有提到或暗示實際距離，可以使用“Further”，它也可以用來表示附加的或者更進一步的。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，用“less+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+名詞復數in/of(圍）…

”eg:ShangHisoneofthemostbiggestcitiesinChina.④“the+序數詞+最高級…？”“第幾最…”eg:DongGisthesecondbiggestcityinChina.

當最高級前面有物主代詞或名詞所有格時，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.據我所知asfarasIknow=sofarasIknow

①據我所知，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常考短語做某事成功冒著生命危險面對困難一個大挑戰實現我們的夢想許多次為..準備在未來保護…不受…succeedindoingsth.riskone’slifeinthefaceofdifficultiesabigchallengeachieveourdreamsmanytimespreparefor…inthefutureprotect…from(doingsth.)ExtraPoint1、population◆population意為“人口”時，它在句中作主語時，謂語動詞總是用單數形式。也可用復數,側重個體.eg:Halftheworld’spopulationdoesn’tgetenoughtoeat.Onethirdofthepopulationhereareworkers.(指不同的地區、時期、民族的人口時,可用復數形式)

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