沪教八年级英语上册一课一练-Unit1 课时2 Grammar 同步练习

Unit1Grammar

基础篇

(-)单项选择。

1.Thereisn'tintheclassroom.AllthestudentsarehavingaPElessonintheplayground.

AsomebodyB.anybodyC.nobodyD.everybody

2.一Whyareyoulaughing,Tony?

—Thereisfunnyinihemagazine.

A.anythingB.somethingC.everythingD.nothing

3.Welookedeverywherefortoeat.Buttherewasinthehouse.

A.anything;nothingB.everything;nothing

C.something;nothingD.something;anything

4.—Wouldyouliketowatchtherobot（机器人）showwithmethisSunday?

—Soundsgreat.Ibelievewillbedifficultforrobotsinthefuture。仔来）.

A.somethingB.everythingC.anythingD.nothing

5.一WhowillyougotoDaliwithtomorrow?

—.Tilgotherealone（独自）.

A.SomebodyB.NobodyC.AnybodyD.Everybody

6.Wecan'tdofbrQujing,myhometown.Butwecandosomethingtomakeitabetter

place.

A.nothingB.anythingC.everythingD.something

7.Asthelightsintheroomwentout,itwasverydarkandcouldbeseenclearly.

A.somethingB.anythingC.everythingD.nothing

8.—Wouldyouliketodrink,Mr.White?

一Yes.Acupoftea,please.

A.NothingB.somethingC.nooneD.someone

9.一Didfinishyourhomeworklastnight?

一Yes,MissGao.Wealwaysfinishhomeworkontime.

A.someoneB.anyoneC.nooneD.everyone

10.I'mhungry,wouldyoupleasegivemetoeat?

A.somethingdeliciousB.anythingdelicious

C.delicioussomethingD.nothingdelicious

（二）用some或any填空。0

1.1havegreatnewsfbryou.

2.Sorry,Idon'thavemoneywithme.

3girlsinourclasscansingverywell.

4一Aretherebooksinthebag?

一No,buttherearepensinit.

5—Wouldyouliketeaorcoffee?

一tea,please.IdonUlikecoffee.

（三）用复合不定代词填空

6.1can'thearanything=1canhear.

7.Thereisonthefloor.Pleasepickitup.

8.Didgotoplaybasketballwithyou?

9.1phonedyoulastnight,butanswered.

10.Whydon'tyouasktohelpyou?

11.Bequiet!Theteacherhastosay.

12.Moneyisn't.

13.isnowplayingfootball.

14.Wouldyouliketoeat?

15.Whydon'tyouasktohelpyou?

（四）根据括号中的提示翻译下列句子。

1我有一些新笔记本。（some）

2我想吃点儿面包。(some)

3为什么不做点儿家务呢？(some)

4她没有买苹果。(any)

5我看到有人在钢琴旁。(somebody)

6盒子里什么都没有。(nothing)

7人人都喜欢杰克。（everyone）

8桌子底下有什么东西吗？（anything）

提高篇

（五）语法选择

DearMuseumScientists,

MynameisYangJingjing.]livebythesea,nearamangrove〃（红树林沼》举

地）.

Mymomis2tourguide.Sheknowsalotaboutthemangroveswamp.Sheloves

3peoplethebeautifulanimalsthatlivethere.Iamwritingtoyou4I'mworried

aboutwhatishappeningnearmyhome.Themangrovesarehometomany5suchasbirds,

butterflies,snakesandsoon.Downinthewaterunderthetreesarehomesoffishandshrimp.The

mangrovesalsoprotectus6wind,wavesand心（浪潮与水灾）.

However,inthepastfewyears,things7greatly.Thesechangesbringlotsofworries

tomoreandmorepeople.Newneighborhoods（社区）8lastyearandtheyearbefore.It

turnedtheplacewithmangrovesintostores,houses,cinemas,restaurantsandcarparks.Whatis

even9.allthesethingsarestillgoingon!Whatwillhappentotheanimalsthatliveinthe

mangroves?Idon'tknow10.HowIwishwecanfindawaytolivetogetherwiththe

mangrovesandanimals!

Sincerelyyours,

YangJingjing

l.A.MyB.MineC.ID.Me

2.A.aB.anC.theD./

3.A.showB.toshowC.giveD.togive

4.A.althoughB.beforeC.becauseD.unless

5.A.plantB.plantsC.animalD.animals

6.A.fromB.withC.aboutD.for

7.A.haschangedB.havechangedC.ischangingD.arcchanging

8.A.buildB.arebuiltC.builtD.werebuilt

9.A.badB.worseC.goodD.better

10.A.whatwecandoB.whatcanwedoC.howwecandoD.howcanwedo

(六)语法填空

TheInternethasbecomepartofpeople'slife,especiallyteenagers*.There's1.

reportamong3,375studentsagedfrom1()to18insevencitiesinChina.Itshowsthat38%ofthem

2.(use)theInternetoften.Mostofthestudentsget3.(lot)of

informationandusetheInternetiohelpwiththeirstudies.4.,somearen'tusingii

inagoodway.Theyplayonline5.(game)toomuchandsomedon'tstoptoeator

drink.Badthingscanhappenifyoungpeoplespendtoomuchtime6.(get)onthe

Internet.

TohelpyoungpeopleusetheInternet7.agoodway,abookongoodInternet

habithasstartedtobeusedinsomebigcities.Ituses8.(really)examplestoteach

studentsanditgivessomegood9.(advise).Teachersandparentsallthinkthebook

isaverygoodidea.Itwillteachstudentshowtobeagoodpersonintheonlineworld.Itwillbea

guideforteensusingtheInternetandkeepstudentsaway10.badsites.

(七)阅读理解

A

Everyyearseveralthousandpeoplearekilled(杀害)ontheroadsinGreatBritain.Everyyear

betweenoneandtwohundredthousandpeoplearehurt.Thesepeoplearekilledorhurtinroad

accidents.

Therearerulestomaketheroadssafe,butpeopledonotalwaysobeytherules(遵守规贝ij).

Theyarecareless.Ifeverybodyobeystherules,theroadswillbemuchsafer.Howcanwemakethe

roadssafer?

Rememberthisrule.InGreatBritaintraffickeepstotheleft.Cars,busesandbikesmustall

keeptotheleftsideoftheroadInmostothercountriestraffickeepstotheright.

Beforecrossingtheroad,stopandlookbothsides.Lookrightandleft.Then,ifyouaresure

thaltheroadisclear,itissafetocrosstheroad.Ifyouseesmallchildrenoroldpeople,helpthem

tocrosstheroad.Wemustleachsmallchildrentocrosstheroadsafely.Wemustalwayssetthema

goodexample.Smallchildrenmustnotplayinthestreet.

1.Ifwewanttomaketheroadssafer,.

A.everybodymustbecarefulandobeythetrafficrules

B.trafficshouldkeeptotheright

C.don'tcrosstheroadstoooften

D.roadsmustbeclear

2.IfyourideabikeinGreatBritain,youmustride.

A.ontherightsideoftheroadB.ontheleftsideoftheroad

C.inthemiddleoftheroadD.behindthebuses

3.WhichisNOTright?

A.Beforecrossingtheroad,weshouldslopandlookatbothways.

B.Inourcountrytraffickeepstotheright.

C.FewpeopledieinthetrafficaccidentsinGreatBritain.

D.Streetsarenotsafeplacesforplaying.

4.Theunderlinedsentence“theroadisclear“meansthat.

A.youcanseeveryclearlyontheroadB.theroadisveryclean

C.theroadisnotnoisyD.thereisnocarorbusrunning

5.Thesafewaytocrosstheroadisto.

A.lookrightB.lookleft

C.lookbothways,rightandleftD.runacrosstheroad

B

阅读下面短文，根据短文内容，从短文后的选项中选出适当的选项补全短文。

Forthoseofuswhoarestudyingatschool,thetimeofexamsisverystressfulanddifficult.

Somepeoplefindexamtimessobadthattheybecomeill,becausetheyareafraidoffailing;they

areafraidoflettingtheirparentsandfamilydown1Ta1ktosomeoneaboutit.Maybeyou

canspeaktoafriend,orsomeoneinyourfamily,orteachersatyourplaceofstudy.Ifoneperson

doesn'thelpyou,asksomeoneelse.

2Herearesomeadvice:

Askateacherortutorabouthowtoreviewyourlessons,andexamskills-howtoworkwhen

youareinanexam.

Takeshorlrestsduringyourlimeofwork.Ifyourmindistired,itwillnotrememberwell.

Planyourwork:studyattimeswhenyouknowyouwillworkatyourbest.

Getenoughsleep,andeathealthyfood.

Youneedexercisetoworkwell.3

Stopthinkingaboutthefutureandfailing.

Ifyoufeelill,talktosomeoneaboutyourworries.Butdon'tbetoorelaxed!Somestressover

examsmakesyouworkhardforthem.

Ifitupsetsyoutotalktoyourfriendsaboutanexamwhenitisfinished,don'tdoit!Infact,

don'teventhinkabouttheexamyouhavefinished.Whatisdoneisdone.4

Tothisadvice,wecouldadd:

Ifyouarestudyingintheevening,don'tgostraightiobed.Yourmindwillstillbe"going

roundandround”-thinkingtoomuch5Choosesomethingthatwillrelaxyou,andmake

youthinkofotherthings.

A.Ifexamsarereallymakingyouillorworried,don'lhideyourfeelings.

B.Youcan,tchangewhatyouhavewritten

C.Howtogetthroughexams?

D.Youcantalktoyourparents,friendsorteachers.

E.Walk,run,andplaysports—whateveryouenjoy.

F.Dosomethingelseorgetexercise

Unit1Grammar

基础篇

（一）单项选择。

1.Thereisn'tintheclassroom.AllthestudentsarehavingaPElessonintheplayground.

AsomebodyB.anybodyC.nobodyD.everybody

【答案】B

【解析】句意：教室里一个人也没有。所有的学生都在操场上体育课。

考查复合不定代词辨析。somebody某人；anybody任何人；nobody没有人；everybody每个

人。根据"AHthesludentsarehavingaPElessonintheplayground.“可知，教室里没有人，此处

是否定句，故选B。

2.—Whyareyoulaughing,Tony?

一Thereisfunnyinthemagazine.

A.anythingB.somethingC.everythingD.nothing

【答案】B

【解析】句意:——你为什么笑，托尼？—杂志上有一些有趣的东西。

考查代词辨析。anything用于否定句或疑问句中；something某事，用于肯定句中；everything

所有事物；nothing没有什么。根据"Whyareyoulaughing,Tony?”可推断，杂志上有一些有趣

的东西，在肯定句中表示“某事，某物"，要用something。故选B。

3.Welookedeverywherefortoeat.Buttherewasinthehouse.

A.anything;nothingB.everything;nothing

C.something;nothingD.something;anything

【答案】C

【解析】句意：我们到处找些吃的东西。但是房子里什么也没有。

考查复合不定代词。something某事，某物，多用于肯定句；anything任何东西，多用于否定

句或疑问句；everything所有东西；nothing什么也没有。第一空为肯定句，且根据句意可知，

此处指的是找一些吃的东西，something,排除A和B；第二空根据转折连词but可知，此

处指的是什么也没有，用nothing,故选C。

4.一Wouldyouliketowatchtherobot（机器人）showwithmethisSunday?

—Soundsgreat.Ibelievewillbedifficultforrobotsinthefuture（将来）.

A.somethingB.everythingC.anythingD.nothing

【答案】D

【解析】】句意；——这个星期天你愿意和我一起去看机器人表演吗？—听起来很棒，我相

信未来对于机器人来说没有什么是难的。

考查不定代词。somelhing某些事;everything每件事；anything任何事；nothing没有什么。

根据"willbedifficultforrobotsinthefuture”可知，此处表达“没有什么是困难的”,故选D。

5.一WhowillyougotoDaliwithtomorrow?

—.THgotherealone（独自）.

A.SomebodyB.NobodyC.AnybodyD.Everybody

【答窠】B

【解析】句意：——明天你和谁一起去大理？——没有人。我将独自去那儿。

考查不定代词辨析。Somebody某人；Nobody没有人；Anybody任何人；Everybody每个人。

根据"Higotherealone（独自）.”可知，没有人和我一起去。故选B。

6.Wecan'tdoforQujing,myhometown.Butwecandosomethingtomakeitabetter

place.

A.nothingB.anythingC.everythingD.something

【答案】C

【解析】句意：我们不能为家乡曲靖做所有的事情。但是我们可以做一些事情让它变成更美

的地方。

考查不定代词辨析。nothing没有事情，表示否定；anything任何事情；everything一切事情；

something某件事情。根据后句“Butwccandosomethingtomakeitabetterplace.”可推知，前句

应是：我们不能为家乡曲靖做所有的事情。故选C。

7.Asthelightsintheroomwentout,itwasverydarkandcouldbeseenclearly.

A.somethingB.anythingC.everythingD.nothing

【答案】D

【解析】句意：房间里的灯灭了，天很黑，什么也看不清。考查不定代词辨析。nothing没有

东西，表否定：anything任何东西，用于否定句、疑问句；something某物，表示不确定;everything

每件东西。根据itwasverydark可知什么也看不清，故选D。

8.一Wouldyouliketodrink,Mr.White?

一Yes.Acupoftea,please.

A.NothingB.somethingC.nooneD.someone

【答案】B

【解析】句意你能给我一些喝的东西？表示征求请求意见用something。

9.-Didfinishyourhomeworklastnight?

一Yes,MissGao.Wealwaysfinishhomeworkontime.

A.someoneB.anyoneC.nooneD.everyone

【答案】D

【解析】句意：——昨晚每个人都完成作业了吗？——是的，高老师，我们总是按时完成作

业。

考查复合不定代词。someone某人；anyone任何人；noone没有人；everyone每个人，强调

整体。根据"Wealwaysfinishhomeworkontime.”可知老师问你们每一个人都完成（,也就是

你们全班都完成了吗？强调整体，故选D。

10.Tmhungry,wouldyoupleasegivemetocat?

A.somethingdeliciousB.anythingdelicious

C.delicioussomethingD.nothingdelicious

【答案】A

【解析】句意：我饿了，你能给我点好吃的吗？

考查复合不定代词的用法。somelhing某物，用于肯定句或表示请求/建议的疑问句中；anything

任何东西，用于否定句或疑问句中；nothing没有什么；由"wouldyoupleasegiveme”可知，

该句是表示请求的疑问句，要用something；delicious美味的，形容词，修饰不定代词要放在

不定代词后，故选A。

（二）用some或any填空。。

1.1havegreatnewsforyou.

2.Sorry,Idon'Ihavemoneywithme.

3girlsinourclasscansingverywell.

4—Arctherebooksinthebag?

一No,buttherearcpensinit.

5—Wouldyouliketeaorcoffee?

一tea,please.Idon'tlikecoffee.

【答案】1,someo2,any3,some4,anysome5,somesomeany

（三）用复合不定代词填空

6.1can'thearanything.=Icanhear.

7.Thereisonthefloor.Pleasepickitup.

8.Didgotoplaybasketballwithyou?

9.1phonedyoulastnight,butanswered.

10.Whydon'tyouasktohelpyou?

11.Bequiet!Theteacherhastosay.

12.Moneyisn't.

13.isnowplayingfootball.

14.Wouldyouliketoeat?

15.Whydon'tyouasktohelpyou?

【答案】6.nothing7.something8.anyone/anybody9.nobody10.someone/somebody

11.something12.everything13.Someone14.something15.anyone

(四)根据括号中的提示翻译下列句子。

1我有一些新笔记本。(some)

2我想吃点儿面包。（some）

3为什么不做点儿家务呢？（some）

4她没有买苹果。（any）

5我看到有人在钢琴旁。（somebody）

6盒子里什么都没有。（nothing）

7人人都喜欢杰克。（everyone）

8桌子底下有什么东西吗？（anything）

【答案】

1.1havesomenewnotebooks.

2.1wanttoeatsomebread.

3.Whynotdosomehousework?

4.Shedidn'tbuyanyapples.

5.1sawsomebodynexttothepiano.

6.Thereisnothinginthebox.

7.EveryonelikesJack.

8.1sthereanythingunderthetable?

提高篇

（五）语法选择

DearMuseumScientists,

MynameisYangJingjing.]livebythesea,nearamangroveswamp（红树林沼泽

地）.

Mymomis2tourguide.Sheknowsalotaboutthemangroveswamp.Sheloves

3peoplethebeautifulanimalsthatlivethere.Iamwritingtoyou4I'mworried

aboutwhatishappeningnearmyhome.Themangrovesarehometomany5suchasbirds,

butterflies,snakesandsoon.Downinthewaterunderthetreesarehomesoffishandshrimp.The

mangrovesalsoprotectus6wind,wavesand（浪潮与水灾）.

However,inthepastfewyears,things7greatly.Thesechangesbringlotsofworries

tomoreandmorepeople.Newneighborhoods（社区）8lastyearandtheyearbefore.It

turnedtheplacewithmangrovesintostores,houses,cinemas,restaurantsandcarparks.Whatis

even9、allthesethingsarestillgoingon!Whatwillhappentotheanimalsthatliveinthe

mangroves?Idon'tknow1（）.HowIwishwecanfindawaytolivetogetherwiththe

mangrovesandanimals!

Sincerelyyours,

YangJingjing

LA.MyB.MineC.ID.Me

2.A.aB.anC.theD./

3.A.showB.toshowC.giveD.togive

4.A.althoughB.beforeC.becauseD.unless

5.A.plantB.plantsC.animalD.animals

6.A.fromB.withC.aboutD.for

7.A.haschangedB.havechangedC.ischangingD.arechanging

8.A.buildB.arebuiltC.builtD.werebuilt

9.A.badB.worseC.goodD.better

10.A.whatwccandoB.whatcanwcdoC.howwccandoD.howcanwcdo

【答案】l.C2.A3.B4.C5.D6.A7.B8.D9.B10.A

【解析】本文主要讲述了作者家附近有红树林沼泽地，但是最近几年，建造了很多的建筑物,

导致红树林沼泽地在逐渐减少，作者希望能找到一个方法和红树林和动物和谐相处。

1.句意：我住在海边，靠近红树林沼泽。

My我的，形容词性物主代词；Mine我的，名词性物主代词；I我，代词主格；Me我，代词

宾格。此处表示“我''，作主语，用代词主格。故选C。

2.句意：我妈妈是一名导游。

a一个，不定冠词，用于辅音音素开头的单词前；an一个，不定冠词，用于元音音素开头的

单词前；ihe定冠词。此处泛指一个导游，lour以辅音音素开头，用a。故选A。

3.句意：她喜欢向人们展示生活在那里的美丽动物。

show展示，动词原形；toshow动词不定式；give给，动词原形；togive动词不定式。loveto

dosth.“喜欢做某事”，根据"peoplethebeautifulanimals”iJj知是向人们展示。故选B。

4.句意：我给你写信是因为我担心我家附近发生的事情。

although虽然；before在...之前；because因为；unless除非。根据“Iamwritingtoyou...I'm

worriedaboutwhatishappeningnearmyhome”可知前后是因果关系，前果后因，用because引

导。故选Co

5.句意：红树林是许多动物的家园。

plant植物，名词原形；plants植物，名词复数；animal动物，名词单数；animals名词复数。

根据"suchasbirds,butterflies,snakesandsoon”可知这些都是动物，many后加名词复数。故选

De

6.句意：红树林还保护我们免受风、浪和洪水的侵袭。

from来自；withfll；aboul关于；for为了。protect...from”保护...免受故选A。

7.句意：然而，在过去的几年里，情况发生了很大的变化。

haschanged已经改变，现在完成时，主语是第三人称单数；havechanged现在完成时，主语

是名词复数；ischanging现在进行时，主语是第三人称单数；arechanging现在进行时，主语

是名词复数。根据“inthepastfewyears”可知句子使用现在完成时，主语是复数，助动词用have。

故选Bo

8.句意：去年和前一年建造了新的社区。

build建造，动词原形;arebuilt一般现在时的被动;buhl动词过去式或过去分词;werebuilt

一般过去时的被动。主语“Newneighborhoods”和谓语之间是被动关系，根据“lastyear”可知此

处用一般过去时的被动语态。故选D。

9.句意：更糟糕的是，这一切还在继续！

bad坏的，形容词原形；worse更差，比较级；good好的，形容词原形；better更好，比较级。

even后加比较级，且此处表示“更糟糕的是“。故选B。

10.句意：我不知道我们能做什么。

whatwecando我们能做什么，陈述语序；whatcanwedo疑问语序；howwecando我们如何

做，陈述语序；howcanwedo我们如何做，疑问语序。句子是宾语从句，用陈述语序，排除

BD；do后缺少宾语，用what引导宾语从句。故选A。

(六)语法填空

TheInternethasbecomepartofpeople'slife,especiallyteenagers*.There's1.

reportamong3,375studentsagedfrom1()to18insevencitiesinChina.Itshowsthat38%ofthem

2.(use)theInternetoften.Mostofthestudentsget3.(lot)of

informationandusetheInternettohelpwiththeirstudies.4.,somearen'tusingit

inagoodway.Theyplayonline5.(game)toomuchandsomedon'tstoptoeator

drink.Badthingscanhappenifyoungpeoplespendtoomuchtime6.(get)onthe

Internet.

TohelpyoungpeopleusetheInternet7.agoodway,abookongoodInternet

habithasstartedtobeusedinsomebigcities.Ituses8.(really)examplestoteach

studentsanditgivessomegood9.(advise).Teachersandparentsallthinkthebook

isaverygoodidea.Itwillteachstudentshowtobeagoodpersonintheonlineworld.Itwillbea

guideforteensusingtheInternetandkeepstudentsaway10.badsites.

【答案】La2.use3.lots4.However5.games

6.gctting7.in8.real9advice10.from

(七)阅读理解

A

Everyyearseveralthousandpeoplearekilled(杀害)ontheroadsinGreatBritain.Everyyear

betweenoneandtwohundredthousandpeoplearehurt.Thesepeoplearekilledorhurtinroad

accidents.

Therearerulestomaketheroadssafe,butpeopledonotalwaysobeytherules(遵守规贝ij).

Theyarecareless.Ifeverybodyobeystherules,theroadswillbemuchsafer.Howcanwemakethe

roadssafer?

Rememberthisrule.InGreatBritaintraffickeepstotheleft.Cars,busesandbikesmustall

keeptotheleftsideoftheroad.Inmostothercountriestraffickeepstotheright.

Beforecrossingtheroad,stopandlookbothsides.Lookrightandleft.Then,ifyouarcsure

thattheroadisclear,itissafetocrosstheroad.Ifyouseesmallchildrenoroldpeople,helpthem

tocrosstheroad.Wemustteachsmallchildrentocrosstheroadsafely.Wemustalwayssetthema

goodexample.Smallchildrenmustnotplayinthestreet.

1.Ifwewanttomaketheroadssafer,.

A.everybodymustbecarefulandobeythetrafficrules

B.trafficshouldkeeptotheright

C.don'tcrosstheroadstoooften

D.roadsmustbeclear

2.IfyourideabikeinGreatBritain,youmustride.

A.ontherightsideoftheroadB.ontheleftsideoftheroad

C.inthemiddleoftheroadD.behindthebuses

3.WhichisNOTright?

A.Beforecrossingtheroad,weshouldslopandlookatbothways.

B.Inourcountrytraffickeepstotheright.

C.FewpeopledieinthetrafficaccidentsinGreatBritain.

D.Streetsarenotsafeplacesforplaying.

4.Theunderlinedsentence“theroadisclear^^meansthat.

A.youcanseeveryclearlyontheroadB.theroadisveryclean

C.theroadisnotnoisyD.thereisnocarorbusrunning

5.Thesafewaytocrosstheroadisto.

A.lookrightB.lookleft

C.lookbothways,rightandleftD.runacrosstheroad

【答案】LA2.B3.C4.D5.C

【解析】本文介绍了英国每年有好几千人死于交通事故。为了保证道路安全，我们应遵守一

些交通规则：在英国要靠左边行驶，在过马路前要向两边看。

1.A推理判断题。根据Therearerulestomaketheroadssafe,butpeopledonotalwaysobeythe

rules（遵守规则）.Theyarecareless.Ifeverybodyobeystherules,theroadswillbemuchsafer

2.B细节理解题。根据InGreatBritaintraffickeepstotheleft.Cars,busesandbikesmustallkeep

totheleftsideoftheroad.可知在英国骑自行车必须靠着道路的左边，故选

3.C推理判断题。根据Everyyearseveralthousandpeoplearekilled（杀害）ontheroadsinGreat

Britain.可知在英国每年有好几千人死于交通事故，不是很少有人死于交通事故，故错误的一

项应选C。

4.D词义猜测题。根据itissafetocrosstheroad.可知你可以安全地穿过道路，故此处表示道路

上没有车辆通行时，故选D。

5.C细节理解题。根据Beforecrossingtheroad,stopandlookbothsides.Lookrightandleft.可知

穿过道路的安全的方法是向两边看，左看看，右看看，故