【八下英語(yǔ)人教版】Unit 7 課本知識(shí)重點(diǎn)和語(yǔ)法聚焦重點(diǎn)

人教版八年級(jí)下冊(cè)英語(yǔ)第7單元課本知識(shí)重點(diǎn)和語(yǔ)法聚焦重點(diǎn)Unit7what’sthehighestmountainintheworld？習(xí)題+講義1.Feelfreetoaskmeanythingontoday'sGreatWalltour.

如：A:CanIuseyourbathroom?

B:Yes,feelfree.

feelfree是英語(yǔ)口語(yǔ)中一個(gè)常用表達(dá)。若有人讓你feelfreetodosomething,就是讓你無(wú)需拘束，只管按照自己的意愿去做某事。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.據(jù)我所知，再?zèng)]有像它這樣大的人造物體了。asfarasIknow是一個(gè)固定的表達(dá)方式，還可以說(shuō)sofarasIknow，意思是“據(jù)我所知”。例如：AsfarasIknow,Lucyhasgottwinsisters.

They’renotcomingtoday,sofarasIknow.

Oneoftheworld’smostdangeroussportsismountainclimbing,…“oneof+the+形容詞的最高級(jí)+復(fù)數(shù)名詞”，意為“最…之一”。如：MissWangisoneofthemostpopularteachersinourschool.3.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.

difficulty可數(shù)/不可數(shù)名詞，在此用作可數(shù)名詞。a.作可數(shù)名詞時(shí),difficulty通常用作復(fù)數(shù)，表示具體概念，即：各種各樣的“困難；難題；難事”。b.作不可數(shù)名詞時(shí)，difficulty可譯作“困難；艱難；辛苦；費(fèi)勁”，例如：Hehadgreatdifficultyinfindinganewjob..

Wefoundthehousewithoutdifficulty.4.Itisalsoveryhardtotakeinairasyougetnearthetop.

Itis+adj.+todosth.，it作形式主語(yǔ)放在句首，真正的主語(yǔ)放在句尾。常用于此句型的形容詞有important，difficult，dangerous，necessary，useful，possible等，用來(lái)對(duì)todosth.進(jìn)行說(shuō)明。此句型可以轉(zhuǎn)換成Todosth.is+adj.。5.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.1）giveupdoingsomething的意思是“放棄做某事；半途而廢”2)achieveourdreams相當(dāng)于makeourdreamscometrue其中動(dòng)詞achieve表示“（通過(guò)努力）實(shí)現(xiàn)；取得；獲?。贿_(dá)到（夢(mèng)想、成績(jī)、成功、目的)”等。例如：Heachievedgreatsuccessinashorttime.

LinTaoachievedverygoodexamresults.6.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?eventhough用作從屬連詞，意為“即使；盡管”，相當(dāng)于evenif，引導(dǎo)讓步狀語(yǔ)從句，一般不與并列連詞but連用。如：Mr.Wangwillcomeontimeeventhoughitrains.7.Thiselephantweighsmanytimesmorethanthispanda.

manytimesmorethan意為“比許多倍”，是倍數(shù)的表達(dá)方式之一。常用的倍數(shù)表達(dá)法：（1）“A+謂語(yǔ)動(dòng)詞+倍數(shù)+形容詞/副詞的比較級(jí)+than+B”表示“A比B多少倍”。如：Theirroomistwicebiggerthanours.（2）“A+謂語(yǔ)動(dòng)詞+倍數(shù)+as+形容詞/副詞的原級(jí)+as+B”表示“A是B的多少倍”。如：Theirroomistwiceasbigasours.（3）“A+謂語(yǔ)動(dòng)詞+倍數(shù)+theheight/weight/length...+of+B”表示“A的高度/重量/長(zhǎng)度...是B的多少倍”。如：形容詞和副詞的比較等級(jí)1.形容詞和副詞比較等級(jí)的構(gòu)成

副詞比較等級(jí)的規(guī)則變化與形容詞比較等級(jí)的規(guī)則變化大致相同。如：fast/faster/fastest；hard/harder/hardest；Late/later/latest

；Early/earlier/earliest

；loudly/moreloudly/mostloudlyQuickly/morequickly/mostquickly

；Slowly/moreslowly/mostslowly

下列副詞的比較等級(jí)為不規(guī)則變化：badly/worse/worst；far/farther/further/farthest/furthest；little/less/least；much/more/most

；Well/better/best

2.形容詞和副詞比較等級(jí)的用法

形容詞比較等級(jí)的基本用法

（1）比較級(jí)：常用于“比較級(jí)+than”結(jié)構(gòu)。如：Catsaremorelovelythanotheranimals.

貓比其他動(dòng)物更可愛(ài)。

（2）最高級(jí)：常用“the+最高級(jí)+比較范圍”結(jié)構(gòu)，比較范圍常用of,in,among引導(dǎo)的短語(yǔ)表達(dá)。如：TheGreatWallofChinaisoneofthegreatestwondersintheworld.副詞比較等級(jí)的用法

原級(jí)：表示比較雙方程度相同時(shí)，用“as+形容詞/副詞原級(jí)+as”結(jié)構(gòu)，意為“...和...一樣”。如：SueisastallasSally.

Iwanttoliveashappilyasbefore.

表示比較雙方程度不同時(shí)，常用“notas/so+形容詞/副詞原級(jí)+as”結(jié)構(gòu)，意為“不如...”。如：Thisbookisnotas/sointerestingasthatone.

比較級(jí)：兩者之間比較時(shí)，用“形容詞/副詞比較級(jí)+than”結(jié)構(gòu)，意為“比...更...”。如：You’reluckierthanmanypeople.

形容詞和副詞比較等級(jí)中的注意事項(xiàng)

1.形容詞或副詞的比較級(jí)前可用much,alot,alittle,abit,even,still,far等詞來(lái)修飾，表示不同程度。如：Herappleismuchbiggerthanmine.

2.“the+比較級(jí)···，the+比較級(jí)···”表示“越···，越···”.如：Themorecarefulyouare,thefewermistakesyou’llmake.

3.“比較級(jí)+and+比較級(jí)”表示“越來(lái)越···”.

如：Itbecomescolderandcolderwhenwintercomes.

一：用括號(hào)內(nèi)單詞的適當(dāng)形式填空1.Lilygetsup______(early)thanLucy.

2.Whichgoes__________(slowly),TomorJim?3.Thisbookis_______________(interesting)thanthatone.

4.Sheworks

________________(careful)inherschool.5.Whogoestobed_________(late)Jim,TomorJack?

6.Ithinkturkeyis________________(delicious)ofall.

7.Hainanisaverylargeisland.Itisthesecond_________islandinChina.(large)8.Ourteacherisas______asbefore.(busy).

9.Heis______________amongus.(careful)10.LiLeijumped

______thanJim.(far)

11.Thebusierheis,the________hefeels.(happy)12.IthinkYaoMingisoneof____________basketballplayersinNBA.(hot)13.Jimisvery______.LiLeiis_________thanJim.(hungry)

14.Kate’smooncakesare________ofall.(nice)15.Yourboxis___________thanmine,buthisis___________ofthethree(heavy).16.Unit2isquite_____.Unit3is______thanUnit2.Unit3isthe_________inthebook.(hard)17.ThisTVplayis_____thanthatone.(good)

18.Mymotherisvery______.Sheis__________inmyfamily.(busy)19.Lucygetstoschool______thantheothers.(early)

20.ShespeaksEnglish_____inourclass.(well)21.Lucyjumpedquite_____.(far)

22.IthinkEnglishisas_________asChinese.(important)23.Thispictureis_______________ofthefour.(beautiful)

24.Lucydid_____thanLily.(bad)25.Iamvery_______.ButTomis____________thanI.Frankis_________________.（tired）26.Whichis_____________（difficult）,physicsorbiology?

27.Thisbookis________thantheothertwo.Itis____________ofthethree.（easy）28.Insummerit’s_______（hot）inWuHanthaninBeijing.29.TheChinesepeoplehaveamuch_______（good）lifenow.

二：?jiǎn)雾?xiàng)選擇。1.Thetwins______lovelygirls.

A.areall

B.arebothC.bothare2.IlikedrawingandIamgood_____it.

A.in

B.on

C.at3.Thatboxis_______thanothers.

A.moreheavierB.heavy

C.muchheavier4.Sheisthreeyears_______thanIam.

A.old

B.moreoldC.older5.Ithinkagoodfriendshouldmakeme____.

A.laugh

B.laughing

C.tolaugh6.Lucyisveryshort,butsheis___thanhersister.

A.shorter

B.longer

C.taller

7.Thetreeis________thanthatone.

A.taller

B.tall

C.tallest

8.The_____youstudy,the___gradesyouwillget.

A.harder;betterB.hard;good

C.harder;good

D.hard;better9.Larryismuchtallerthan_____inmyclass.

A.allstudents

B.anystudent

C.anyotherstudentD.anyotherstudents10.My_____brotherwillgotoAmericafor____studynextyear.

A.older;farther

B.older;further

C.elder;further

D.elder;farther11.Asyoucansee,Lilyisas______ashermother.

A.beautiful

B.morebeautiful

C.muchbeautiful

D.verybeautiful12.TheYellowRiveris______theYangzeRiver.

A.longerthan

B.aslongas

C.notsolongas

D.notlongas13.Sheis______than_______.

A.busier/us

B.busier/we

C.morebusy/us

D.morebusy/we

14.Janeis________thanBetty.

A.lesstaller

B.lesstallest

C.lesstall

D