Unit7单词讲解练习-人教版八年级英语下册

Unit7+单词讲解+练习一、单词thick[θɪk]adj.厚的，浓的southwestern[saʊθ'westən]adj.西南的,西南方向的achievement[əˈtʃi:vmənt]n.成就，成绩achieve[əˈtʃi:v]v.完成，实现asfarasIknow就我所知wide[waɪd]adj.宽的，广阔的protect[prəˈtekt]v.保护ancient[ˈeɪnʃənt]adj.古代的，古老的amazing[əˈmeɪzɪŋ]adj.令人惊异的wall[wɔ:l]n.墙tour[tuə]n.旅行，观光feelfree（可以）随便（做某事)Asia[ˈeɪʒə]n.亚洲population[ˌpɔpjuˈleiʃən]n.人口(数量）,全体居民desert[ˈdezət]n.沙漠deep[di:p]adj.深的meter[ˈmi:tə]n.米square[skweə(r)]n.平方，正方形，广场二、重点单词解析force:n.力量、力

theforcesofnature自然的力量

forcesb.todosth.迫使某人做某事achieve:v.达成、成功

achievement:n.成功

achieve/realizeones’dream/aimchallenge:n.&v.挑战、考验

challengesb.tosth./todosth.向某人挑战.....succeed:v.实现目标、成功

success:n.成功

successful:成功的

successfully:adv.成功地

succeedindoingsth.成功地做某事include:vt.包括、包含includesth.including:prep.包括....在内included:adj.包括在内作后置定语protect:v.保护、防护protection:n.保护

protectsth.from/against...保护....免受/遭amaze:vt.使惊异、使诧异

amazing:adj.令人诧异的，令人惊叹的

amazed:adj.惊叹的、诧异的

beamazedat/todosth.对（做）…感到惊叹

amazement:n.诧异。惊叹长、宽、高等表达法：

形容词：long/wide/deep/high....

名词:length/width/depth/height...deep:adj.深的&adv.深地（常表示具体深度）

deeply:adv.深深地表示感情上的深度

depth:n.深度练习一、单选TheAmazonRiveris________longestriverinSouthAmerica.

A．a

B．an

C．the

D．/—Dad,whydon’tyouhelpmewiththeheavyboxes?

—Becauseyouarenolongerakidbut________teenagernow.

A．/

B．a

C．an

D．theTheGreatWallofChinaisabout21,000kilometers________.

A．high

B．long

C．deep

D．largeThefamousscientistAlbertEinstein________inhisworkandiswellknownaroundtheworld.

A．succeeded

B．success

C．successful

D．successfully—Didyouwatchthebasketballfinal?

—Ofcourse.Itwas________excitingmatchIhaveeverwatched.

A．themostexciting

B．amoreexciting

C．thelessexciting

D．alessexcitingMostpeoplelovedrinkingsweetteabecauseittastes________.

A．sweet

B．delicious

C．sour

D．bitter—Johnisthefastestrunnerinourclass.

—Yes,heis.Idon’tthinkanyonecanrun________thanhim.

A．moreslowly

B．better

C．worse

D．fastestPeterwrites________inhisclass.

A．better

B．best

C．well

D．goodShegoestothegrocerystore________thanIdo.

A．morecheap

B．mostcheaply

C．morecheaply

D．themostcheaplySamisthe________carefulstudentinourclass.

A．mostcareful

B．carefully

C．morecareful

D．mostcarefully二、句型转换JaneandTimhavedifferenthairstyles.(改为同义句)

Janelooks______________Tim.Theareaofthiscityisabout600squarekilometers.(就划线部分提问)

______________istheareaofthiscity?Thetownhasaround150,000people.(改为同义句)

Thetown________________________________150,000people.Whenitisborn,ababyelephantisassmallasarabbit.(同义句)

________________,ababyelephantisassmallasarabbit.Howheavyisafullgrowntiger?(同义句转换)

Howmuch__________afullgrowntiger____________?三、完成句子由于气候变化，熊猫的栖息地减少了。

Areductioninthepandas'habitatisdueto________________change.在许多地方，捕杀熊猫的行为仍然存在。

Thekillingofpandasstill________________inmanyplaces.大熊猫已经被列为濒危物种，全球只有不到2000只。

Giantpandashavebeenlistedasanendangeredspecies,andthereare________________2,000leftintheworld.这个音乐会的座位可以容纳最多500人。

Theconcerthallcanseat____________________500people.苏珊昨天迎来了一个健康的男孩，她感到非常幸福。

Susan________________________ahealthyboyyesterdayandfeltsohappy.当今，许多学生每天在网上花费超过十小时。

Thesedays,manystudentsspend________________tenhoursontheinternet.他昨晚在外面跑步时不小心摔倒了。

He________________whilejoggingoutsidelastnight.我已收到近50条类似的求助信息。

I’vereceived50_________________oftheseurgentmessages.他们派遣专家向学生们讲解保护野生动物的重要性。

Theysendexpertst