初中英語八年級下冊 Section Aa-2d（省一等獎）

SectionA1a—2dWhat'sthehighestmountainintheworld?Unit7Period1SectionA(1a-2c)Nowlet’slookatthetitleofUnit7andtalkaboutgeographyandnatureintheworld.Lookatsomepictures.Qomolangmathehighestmountainintheworld8844.43metershightheSaharathebiggestdesertintheworldAbout9,600,000km2insizetheCaspianSeathedeepestofallthesaltlakes1,025metersdeeptheNilethelongestriverintheworld6,671kilometerslong1aMatchthefactsyouknow.Qomolangmaabout9,600,000squarekilometersinsizeTheSahara1,025metersdeepTheCaspianSea6,671kilometerslongTheNile8,844.43metershigh1bListenandcompletethesentences.1.Qomolangmais_________thananyothermountainintheworld.2.TheSaharais__________desertintheworld.3.TheCaspianSeais___________ofallthesaltlakes.4.TheNileis_________riverintheworld.higherthebiggestthedeepestthelongestUsetheinformationin1btomakeconversations1cA:Whatisthehighestmountainintheworld?B:Qomolangma.Whatisthelongestriverintheworld?TheNile.Whatisthebiggestdesertintheworld?TheSahara.Nowlet’scomebacktoourmotherland---China1.TheYangtzeRiveris_____theYellowRiver.A.longerthanB.aslongasC.shorterthan2.ThepopulationofChinais____thatoftheUS.A.biggerthanB.asbigasC.smallerthan3.Chinais_____intheworldA.theoldestcountryB.theyoungestcountryC.oneoftheoldestcountries4.Chinahas__theUS.A.ashorterhistorythanB.amuchlongerhistorythanC.thesamehistoryasACABLookatsomenumbersandreadthem.6,3005,0005,464300sixthousandthreehundredfivethousandfourhundredandsixty-fourfivethoudsandthreehundredListenandfillintheblanksin2awithnumbersinthebox.2b*

TheYangtzeRiverisabout_____kilometerslongandtheYellowRiveris________kilometerslong.**Chinahasthebiggestpopulationintheworld.It’salotbiggerthanthepopulationoftheUS.6,3005,4646,3005,0005,464300***Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven_________yearsold.****ChinaisalmostasbigastheUS,butitisthebiggestcountryinAsia.5,0003002dListentoaconversationbetweenaguideandtouriststhenchoosethebestanswerLet’spayavisittoaplaceofinterest(名勝）inChina.1.Thetouristsaregoingonatourto____.A.theGreatWallB.theSummerPalaceC.theWestLake2.Howlongisthewall?_______kilometers.A.10000B.8850C.88443.Whydidtheybuildthewall?Thereasonwas_____.A.becauseit’sbeautiful.B.becausepeoplelikeit.C.becausethekingthoughtitcouldprotect(保護(hù))thecountry.4.__isthemostfamouspartoftheMingGreatWall.ABadalingB.Tian’anmenC.BeijingUniversityABCA1.世界上最高的山是哪座？

2.我們的學(xué)校和那個花園一樣漂亮。

3.長江比黃河長。4.中國是亞洲最大的國家。(Asia)

5.我認(rèn)為英語是最有趣的科目之一。

Whatisthehighestmountainintheworld?Ourschoolisasbeautifulasthegarden.

TheYangtzeRiverislongerthantheYellowRiverChinaisthebiggestcountryinAsia.ChinaisbiggerthananyothercountryinAsia.IthinkEnglishisoneofthemostinterestingsubjects.大多數(shù)形容詞有三個級。1.原級:Structure:as...as...像..….一樣e.g.Timisas

tallas

Tom.2.比較級(用于兩者之間的比較):Structure：形容詞比較級＋than...e.g.Thisboxisbigger

thanthatone.形容詞和副詞的比較級和最高級3.最高級(用于三者或三者以上的比較):Structure:the+形容詞的最高級＋of/in...

e.g.Tomistheheaviestinourclass.

Heisthemostpopularinourschool.

規(guī)則變化

1)一般情況下，單音節(jié)或雙音節(jié)的形容詞/副詞比較級＋er，最高級＋est。如:clever—cleverer—cleverest

few—fewer—fewest

small—smaller—smallest等。形容詞、副詞的比較級和最高級規(guī)則變化和不規(guī)則變化2)以e結(jié)尾的詞，比較級＋r，最高級＋st

即可。如：nice—nicer—nicest

cute—cuter—cutest

large—larger—largest3)以輔音字母＋y結(jié)尾的變y為i＋er或est

如:easy—easier—easiest

happy—happier—happiest

再如：early,busy,heavy,dirty,lazy也如此。4)重讀閉音節(jié)，單輔音結(jié)尾的，雙寫這個輔音字母＋er

或

est的詞：①

fat—fatter—fattest

②thin—thinner—thinnest

③hot—hotter—hottest

④red—redder—reddest⑤wet—wetter—wettest

⑥big—bigger—biggest

5)多音節(jié)和部分雙音節(jié)的詞需要在形容詞原級前＋more構(gòu)成比較級，＋themost構(gòu)成最高級。如：beautiful－morebeautiful－themostbeautiful又如:delicious,popular,important,interesting,expensive,creative雙音節(jié)的詞如:

careful－morecareful－themostcareful

useful－moreuseful－themostuseful少數(shù)單音節(jié)詞也是這樣，如：pleased—morepleased—themostpleasedtired—moretired—the

mosttiredb)不規(guī)則變化：

good—better—best

well—better—best

bad—worse—worst

many/much—more—most

far—farther—farthest

(距離遠(yuǎn))

far—further—furthest

(程度深)old—elder—eldest

(長幼)

old—older—oldest

(年齡)三者或三者以上相比，表示最高程度時(shí)，用“the+最高級”的結(jié)構(gòu)表示。這種句式一般常有表示比較范圍的介詞短語。例如：ZhangHuaisthetallestofthethree.Heworks(the)hardestinhisclass.最高級的用法2.最高級可被序數(shù)詞以及much，byfar，nearly，almost，bynomeans，notquite，notreally，nothinglike

等詞語所修飾。例如：Thishatisbyfar／much／nearly／almost／notnearly／byn