【八下英语人教版】Unit 7 课本知识重点和语法聚焦重点

人教版八年级下册英语第7单元课本知识重点和语法聚焦重点Unit7what’sthehighestmountainintheworld？习题+讲义1.Feelfreetoaskmeanythingontoday'sGreatWalltour.

如：A:CanIuseyourbathroom?

B:Yes,feelfree.

feelfree是英语口语中一个常用表达。若有人让你feelfreetodosomething,就是让你无需拘束，只管按照自己的意愿去做某事。2.AsfarasIknow,therearenoman-madeobjectsasbigasthis.据我所知，再没有像它这样大的人造物体了。asfarasIknow是一个固定的表达方式，还可以说sofarasIknow，意思是“据我所知”。例如：AsfarasIknow,Lucyhasgottwinsisters.

They’renotcomingtoday,sofarasIknow.

Oneoftheworld’smostdangeroussportsismountainclimbing,…“oneof+the+形容词的最高级+复数名词”，意为“最…之一”。如：MissWangisoneofthemostpopularteachersinourschool.3.Evenmoreseriousdifficultiesincludefreezingweatherconditionsandheavystorms.

difficulty可数/不可数名词，在此用作可数名词。a.作可数名词时,difficulty通常用作复数，表示具体概念，即：各种各样的“困难；难题；难事”。b.作不可数名词时，difficulty可译作“困难；艰难；辛苦；费劲”，例如：Hehadgreatdifficultyinfindinganewjob..

Wefoundthehousewithoutdifficulty.4.Itisalsoveryhardtotakeinairasyougetnearthetop.

Itis+adj.+todosth.，it作形式主语放在句首，真正的主语放在句尾。常用于此句型的形容词有important，difficult，dangerous，necessary，useful，possible等，用来对todosth.进行说明。此句型可以转换成Todosth.is+adj.。5.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingtoachieveourdreams.1）giveupdoingsomething的意思是“放弃做某事；半途而废”2)achieveourdreams相当于makeourdreamscometrue其中动词achieve表示“（通过努力）实现；取得；获取；达到（梦想、成绩、成功、目的)”等。例如：Heachievedgreatsuccessinashorttime.

LinTaoachievedverygoodexamresults.6.Whydosomanypeopletrytoclimbthismountaineventhoughitisdangerous?eventhough用作从属连词，意为“即使；尽管”，相当于evenif，引导让步状语从句，一般不与并列连词but连用。如：Mr.Wangwillcomeontimeeventhoughitrains.7.Thiselephantweighsmanytimesmorethanthispanda.

manytimesmorethan意为“比许多倍”，是倍数的表达方式之一。常用的倍数表达法：（1）“A+谓语动词+倍数+形容词/副词的比较级+than+B”表示“A比B多少倍”。如：Theirroomistwicebiggerthanours.（2）“A+谓语动词+倍数+as+形容词/副词的原级+as+B”表示“A是B的多少倍”。如：Theirroomistwiceasbigasours.（3）“A+谓语动词+倍数+theheight/weight/length...+of+B”表示“A的高度/重量/长度...是B的多少倍”。如：形容词和副词的比较等级1.形容词和副词比较等级的构成

副词比较等级的规则变化与形容词比较等级的规则变化大致相同。如：fast/faster/fastest；hard/harder/hardest；Late/later/latest

；Early/earlier/earliest

；loudly/moreloudly/mostloudlyQuickly/morequickly/mostquickly

；Slowly/moreslowly/mostslowly

下列副词的比较等级为不规则变化：badly/worse/worst；far/farther/further/farthest/furthest；little/less/least；much/more/most

；Well/better/best

2.形容词和副词比较等级的用法

形容词比较等级的基本用法

（1）比较级：常用于“比较级+than”结构。如：Catsaremorelovelythanotheranimals.

猫比其他动物更可爱。

（2）最高级：常用“the+最高级+比较范围”结构，比较范围常用of,in,among引导的短语表达。如：TheGreatWallofChinaisoneofthegreatestwondersintheworld.副词比较等级的用法

原级：表示比较双方程度相同时，用“as+形容词/副词原级+as”结构，意为“...和...一样”。如：SueisastallasSally.

Iwanttoliveashappilyasbefore.

表示比较双方程度不同时，常用“notas/so+形容词/副词原级+as”结构，意为“不如...”。如：Thisbookisnotas/sointerestingasthatone.

比较级：两者之间比较时，用“形容词/副词比较级+than”结构，意为“比...更...”。如：You’reluckierthanmanypeople.

形容词和副词比较等级中的注意事项

1.形容词或副词的比较级前可用much,alot,alittle,abit,even,still,far等词来修饰，表示不同程度。如：Herappleismuchbiggerthanmine.

2.“the+比较级···，the+比较级···”表示“越···，越···”.如：Themorecarefulyouare,thefewermistakesyou’llmake.

3.“比较级+and+比较级”表示“越来越···”.

如：Itbecomescolderandcolderwhenwintercomes.

一：用括号内单词的适当形式填空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：单项选择。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