Unit3單元拔尖檢測

第一部分(聽力共30分)

I.聽選答案(共15小題,計(jì)20分)

第一節(jié)：聽下面10段對(duì)話，每段對(duì)話后有一個(gè)問題，讀兩遍。請(qǐng)根據(jù)每段對(duì)話的

內(nèi)容和后面的問題，從所給的三個(gè)選項(xiàng)中選出問題的正確答案。(共10小題，計(jì)

10分)

()1.A.Toaschool.

B.Toabookstore.

C.Toalibrary.

()2.A.Acrossfromaschool.

B.Nexttoapostoffice.

C.Acrossfromasupermarket.

()3.A.Nearthepark.

B.Behindthehospital.

C.Betweenthehospitalandthebank.

()4.A.Nearazoo.

B.Nearahotel.

C.Nearasupermarket.

()5.A.Athome.

B.Atschool.

C.Inapark.

()6.A.Bigandnew.

B.Smallbutbeautiful.

C.Smallandold.

()7.A.Inthefrontoftheclassroom.

B.Inthemiddleoftheclassroom.

C.Atthebackoftheclassroom.

)8.A.Thelibrary.

B.Thereadingcomer.

C.Thedininghall.

()9.A.Intheclassroom.

B.Inthereadingroom.

C.Athome.

()10.A.Becauseifsreallylarge.

B.Becauseshecandoexerciseswithherfriends.

C.Becauseshethinksit'sverybeautiful.

第二節(jié)：聽下面兩段材料，包括一篇獨(dú)白和一段對(duì)話，每段材料后有幾道小題。

請(qǐng)根據(jù)材料的內(nèi)容，從題目所給的三個(gè)選項(xiàng)中選出問題的正確答案。每段材料讀

兩遍。(共5小題,計(jì)10分)

聽第I段材料，回答第n、12小題。

()11.Whatclassisthegirlin?

A.Class4,Grade7.

B.Class5,Grade7.

C.Class4,Grade8.

()12.WheredoesBobwanttogo?

A.Tothedininghall.

B.Tothemusichall.

C.Tothelibrary.

聽第2段材料，回答第13至15小題。

()13.Whereisthelibrary?

A.Behindtheclassroom.B.Nexttotheclassroom.

C.Infrontoftheclassroom.

()14.Howmanyblackboardsarethereintheclassroom?

A.Four.B.Two.C.Three.

()15.Whafsonthebigdesk?

A.Apicture.B.Amap.C.Acomputer.

II.聽填信息（共5小題，計(jì)10分）

本題你將聽到一段獨(dú)白，讀兩遍。請(qǐng)根據(jù)獨(dú)白內(nèi)容，用所聽到的信息完成下列各

題。(每空不超過三個(gè)單詞。)

16.Julie9sschoolisbigand.

17.InJulie'sschool,therearethreeclassroombuildings,,anda

sciencebuilding.

18.Julie9sschoolisasupermarket.

19.Julieoftenonthesportsfieldafterschool.

20.Julielikesverymuchinherfreetime.

第二部分(筆試共90分)

III.完形填空(共20小題，計(jì)20分)

第一節(jié)：閱讀下面短文，按照句子結(jié)構(gòu)的語法性和上下文連貫的要求，從各小題

的四個(gè)選項(xiàng)中選出一個(gè)最佳答案，使短文連貫完整。

MynameisJudy.Fm21studentofNo.7MiddleSchool.Tdlike22you

somethingaboutmyschool.

Therearefivebuildings23myschool.Theredoneistheteachingbuilding.

There24twentyclassroomsandtenofficesinit.Myclassroomisonthesecondfloor.

Isitatthebackoftheclassroom25Iamverytall.Theotherfour26arethelibrary,

twodininghallsandthesciencebuilding.Thelibraryisbetweenthetwodininghalls.

It's27favouriteplaceinourschool.Ican28booksanddomyhomeworkthere.

Ialsoliketheplayground.29todothere?Ilikeplayingballgamesthere,

especiallybasketball.Theplaygroundisoverthere.Look!Somestudentsareplaying

there.Theyareso30!

()21.A./B.aC.anD.the

()22.A.tellB.growC.totellD.togrow

()23.A.inB.onC.forD.by

()24.A.beB.areC.isD.am

()25.A.afterB.butC.orD.because

()26.A.buildingB.buildingsC.clubD.clubs

()27.A.meB.IC.mineD.my

()28.A.readsB.readC.readingD.toread

()29.A.WhendoIlikeB.WhenIlike

C.WhatdoIlikeD.WhatIlike

()30.A.sadB.sadlyC.happyD.happily

第二節(jié)：閱讀下面短文，理解大意，然后從各小題的四個(gè)選項(xiàng)中選出一個(gè)最佳答

案，使短文連貫完整。

[2025西安未央?yún)^(qū)期中]Hello!MynameisJaneGreen.Youcan31meJane.

I'mastudentinNo.2MiddleSchool.Thisisamapofmy32.Letmeintroduce(介

紹)someplacesinmyschooltoyou.

Thefirstplaceisthelibrary.Therearemany33inthelibrary.Studentscansit

there34readbooksintheirfreetime.Thenextplaceistheartbuilding.Themusic

therealways35good.Studentscanalsoenjoywatchingthe36picturesthere.I

usuallygotothesportsfieldtoplayping-pongwithmyclassmates.Weoften37there.

The38placeistheclassroombuilding.Infrontofit,thereisanopenspace(空間).

MyfriendZoealways39theflagonMondayswithusthere.

Afterthemorningclasses,wehavelunchatourschooldininghall.Thefood

thereis40delicious.

I'mhappytostudyatsuchabeautifulschool.

()31.A.sayB.callC.talkD.tell

()32.A.gardenB.libraryC.schoolD.classroom

()33.A.keysB.cardsC.watchesD.seats

()34.A.butB.becauseC.orD.and

()35.A.tellsB.soundsC.greetsD.gets

()36.A.amazingB.similarC.importantD.smart

()37.A.putupB.lookat

C.havefunD.readbooks

()38.A.otherB.anotherC.lastD.full

()39.A.circlesB.raisesC.startsD.spends

()40.A.elseB.carefullyC.reallyD.even

IV.閱讀理解（共15小題,計(jì)20分）

第一節(jié)：閱讀下面A、B、C三篇材料，從所給的四個(gè)選項(xiàng)中選出能回答所提

問題或完成所給句子的一個(gè)最佳答案。（共10小題，計(jì)15分）

A

WelcometotheBlueSkyLibrary.Therearetwobuildings.Thisisamapofthe

library.Itwillbegreatforyou.

)41.OnwhichfloorcanyousearchforbooksontheInternet?

A.Onthefirstfloor.B.Onthesecondfloor.

C.Onthethirdfloor.D.Onthefourthfloor.

)42.Whatdoestheunderlinedword“Natural“meaninChinese?

A.自然的B.物理的C.地理的D.物質(zhì)的

)43.IfDavidwantstoreadahistorybook,hecangotothe.

A.SpecialReadingRoom

B.SocialScienceRoom

C.NaturalScienceRoom

D.InformationDeskService

TheSunshineMiddleSchoolisinChongqing.Itopenedin2007.Studentsatthe

schoolstarttheirlessonsat8:00amandfinishthemat4:20pm.Whatistheschool

like?Whataretheirclassroomslike?Thefollowing(接下來的)threestudentsarein

theschool.Theycantellus.

PmJim.Thisismyschool.Welcometomyschool.Whenyouwalkintothe

schoolyard,youwillseethegymfirst.Manystudentsliketoplaybasketballinit.

Look!Thatisthelibrary.It'sbetweenthestudentcentreandourclassroombuilding.

It'sbigandclean.Therearedifferentkindsofbooksinit.Allthestudentsinour

schoollikereadinginthelibrary.Thatisourdininghall.Itismyfavouriteplace.I

canhavenoodles,pizzas,beefandotherfoodthere.

Hello.I'mFlora.Thisisourclassroombuildingandithasfivefloors.My

classroomisonthesecondfloor.It'sverylarge,andthereare45studentdesksinthe

room.Thereisasmartwhiteboardandblackboardonthewall.Withthesmart

whiteboard,ourclassisveryinteresting,soallofuslikeitverymuch.Duringthe

break,Iliketodosomereading.

PmSam.ThisismydeskandIsitinthefrontoftheclassroom.Look!Thereare

somebooksandagreenpencilboxonit.Ihavemanypencilsindifferentcolors.I

liketodrawwiththesepencils.Purpleismyfavourite.

()44.Thestudentsneedtostayatschoolfor.

A.6hoursB.6.5hours

C.7hoursand20minutesD.8hoursand20minutes

()45.［圖文轉(zhuǎn)換］Whereisthelibrary?

studentIclassroom

librarygymIstudentlibrary

centreIcentrebuilding

classroomgym/Hinin^X

building公?父

classroomclassroom

studentlibrarygymdining

buildingcentrehalPbuilding

dininglibrary^/studenTx

hall念?

)46.WhatcanwelearnaboutSamfromthetext?

A.Hisfamily.B.Hishobby.

C.Hisfriends.D.Hisfavouriteday.

C

IamWangTaoandI'manewstudentinSunnyMiddleSchool.It'sabigand

modernschool.

Theclassroomsinmyschoolarenew.Wespendmostofthetimehere.Look!All

theclassroomshavetwobigboards.Oneisasmartwhiteboardinthefrontofthe

classroom,andtheotherisablackboardatthebackoftheclassroom.Every

classroomalsohasatelevisionandsomecomputers.Theyhelpusalot.

Iliketheschoollibraryverymuch.Alotofbooksareinit.Ialwaysreadbooks

withmyfriendsormyclassmatesthere.Ifyoucan'tfindthebooksyouliketoread,

pleaseasktheteachersthereforhelp.Theyareallnice.

Ialsolikethegym.Itisacrossfromthedininghall.Therearealotoftablesand

chairs,bigtelevisionsandping-pongtablesinit.WecanwatchTVandplay

ping-pongthere.Ioftenplayping-pongwithmyclassmatesthere.

Thereisalostandfoundboxnexttothegym.Ifyoulose(丟失)yourthings,you

canputalostnoticewithyournameandphonenumberonthebulletinboard(布告

欄),Itcanhelpyoutofindyourlostthings.

()47.［信息組合］Whatdoeseveryclassroomhave?

①somecomputers②asmartwhiteboard(3)alocker

(4)alostandfoundbox⑤atelevision

A.①②③B.②③④

C.①②⑤D.②④⑤

()48.Whatdoestheunderlinedword"They"inParagraph3referto?

A.Thebooks.B.Theteachers.

C.Thefriends.D.Theclassmates.

()49.Wherecanstudentsplayping-pong?

A.Nexttotheclassroom.B.Infrontoftheschoollibrary.

C.Inthegym.D.Nexttothedininghall.

()50.Whatisthebesttitleforthepassage?

A.MyFavouriteBuildingB.MyLostThings

C.MySchoolD.MyTeachersandClassmates

第二節(jié)：根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。選項(xiàng)

中有兩項(xiàng)為多余選項(xiàng)。（共5小題，計(jì)5分）

[2025西安蓮湖區(qū)期中]Hello,everyone.Tmagirlfroma

middleschool.51.Youcanseemanybooksinmyhouse.

Withmymother'shelp,ourhouseisashared（共享的）library

nowanditistidy.52.Theyareyellow.Youcanseeninewhitechairs.There

arethreesofasnearthebookcases.53.

Atabout4:00intheafternoon,someboysandgirlscometomy

house.Theyreadbooksonthesechairsandsofasinmyhouse.

54._______

Doyoulikereadingbooks?55.Youcancallmeat341-5782.

A.MymotherandIlikebooks.

B.Comehereandreadwithus.

C.Imeetmanynewfriendsinmysharedlibrary.

D.Theyaregreen.

E.MyparentsonlylikeEnglishbooks.

F.Sheisatidygirl.

G.Twobookcasesareinthehouse.

V.完成句子：根據(jù)所給漢語意思，用單詞或短語完成下列英文句子。（共5小題,

計(jì)10分）

56.教室前面有一棵蘋果樹。

Thereisanappletreetheclassroom.

57.明天上午九點(diǎn)去圖書館怎么樣？

thelibraryat9:00amtomorrow?

58.我們經(jīng)常在運(yùn)動(dòng)場上做體操。

Weoftenonthesportsfield.

59.教室里有一些學(xué)生嗎？

studentsintheclassroom?

60.銀行在路的對(duì)面。它離得不遠(yuǎn)。

Thebankistheroad.It'snotfar.

VI.短文填空：用方框中所給單詞的適當(dāng)形式填空，使短文完整正確。（每個(gè)單詞

限用一次，每空限填一個(gè)單詞。）（共10小題，計(jì)10分）

beIsisterspendblackfind

teacherbookcanoften

Welcometomyschool.Myclassroomisnexttotheschoollibrary.Andmy

class61.isMrs.Yu.Shealways62.timehelpinguswithourstudy.

You63.callherat88081026.

Look!Thisismydesk.Mywhiteschoolbag64.onit.Whatisinmy

schoolbag?Apencil,four65.,aneraser,apencilbox,anotebookandanID

cardareinit.I66.keepmythingstidy.

Lookatthetwowatchesonthedesk.They9renotmine.The67.watch

isJim's.Buttheredoneisnothis.Ifshis68..Whataboutthebaseball?Isit

yours?Ifso,youcane-mailmeat123456@andask69.forit.What

arethoseonthedesk?Oh,twosetsofkeys.Marylostherkeysthismorning.She

can't70.theminthelostandfoundbox.Theymustbehers.

vn.任務(wù)型閱讀：閱讀下面的語篇材料，根據(jù)所讀內(nèi)容，完成下列各題。（共5小

題，計(jì)io分）

BambooisalwaysgreeninayearanditiseverywhereinBali（巴厘島）.There

areabout1,500kindsofbambooaroundtheworld,butweusesevenkindstomake

things.Wecanusebambootomakethingslikebeds,desksandchairs.

MyfatherusesbambootobuildGreenSchoolinBali.InGreenSchool,allof

theroomsaremadeofbamboo.Therearealotofbamboothingsintheclassroom.

Everyclassroomhasabambooblackboard,somebamboodesksandbamboochairs.

Buttheclassroomdoesn'thavewindows,doorsorwalls.Itonlyhasabambooroof

（屋頂）.

GreenSchoolisverynice.Studentshavemaths,English,artandmusic.Intheir

freetime,allstudentsgrowfruitandvegetablesaroundtheschool.Alotoffood

comesfromtheirhands.

ComeandhavealookatourGreenSchool.Ifsaniceschool.

71.Howmanykindsofbamboodoweusetomakethings?

Weuse___________kindsofbambootomakethings.

72.WhereisGreenSchool?

Itisin.

73.InGreenSchool,whatcan'tweseeintheclassroom?

Wecan'tseewindows,doorsorintheclassroom.

74.WhatdostudentsdointheirfreetimeatGreenSchool?

Theyaroundtheschool.

75.Whatdoesthewriterthinkoftheschool?

Hethinksitis.

VIII.補(bǔ)全對(duì)話（共5小題，計(jì)5分）

根據(jù)下面對(duì)話中的情境，在每個(gè)空白處填入一個(gè)適當(dāng)?shù)恼Z句，使對(duì)話恢復(fù)完整。

A:Hi!76.?

B:Mynewschoolisnotverybigbutverynice.Ilikeit.

A:77.?

B:Therearesixteenclassrooms.

A:78.?

B:Well,ouroldclassroomonlyhasoneblackboard.Buttherearetwoblackboardsin

ournewclassroomandonesmartwhiteboard.It'sreallyamazing!

A:Oh,arethereseventeendesksinyourclass?

B:79..Therearesixteendesksinmyclass.Oneof

thedesksisforourteachers.

A:80.?

B:No,thereisn't.Butthereisonenearmyschool.Weoftenreadbooksthereafter

school.

IX.書面表達(dá)（共1題，計(jì)15分）

新學(xué)期開始了，你來到一所新學(xué)校讀初中。請(qǐng)根據(jù)下面的學(xué)校示意圖，以“My

School”為題，介紹一下你的學(xué)校。

操場

圖

書教學(xué)樓餐

館廳

花園

校門

要求：1.內(nèi)容充實(shí)，條理清楚，語句通順，語法正確，書寫規(guī)范;

2.要使用存現(xiàn)句，并正確使用一些方位介詞或短語。

3.詞數(shù)：不少于70。

提示詞:garden花園

MySchool

答案

聽力材料：

I.聽選答案

第一節(jié)：聽下面10段對(duì)話，每段對(duì)話后有一個(gè)問題，讀兩遍。請(qǐng)根據(jù)每段對(duì)話的

內(nèi)容和后面的問題，從所給的三個(gè)選項(xiàng)中選出問題的正確答案。

1.M:Excuseme,isthereabookstorearoundhere?

W:Yes.Goalongthisroadandthebookstoreisonyourright.

Q:Wheredoestheboywanttogo?

2.M:Isthisparkacrossfromasupermarket?

W:No,ifsacrossfromaschoolandinfrontofapostoffice.

Q:Where'sthepark?

3.W:Isthereanewhotelnearthepark?

M:No,itisbetweenthehospitalandthebank.

Q:Whereisthenewhotel?

4.W:Hi,Tony!Wheredoyoulive?

M:IlivenearazooandIlovetoseethetigersthere.

Q:WheredoesTonylive?

5.W:Doyouusuallyhavelunchathome?

M:No,there'sadininghallinourschool.Iusuallyhavelunchtherewithmy

classmates.Thefoodisverydelicious.

Q:Wheredoestheboyhavelunch?

6.W:Hi,Bob.Isyournewhomebig?

M:No,it'snotbig.Butit'sbeautiful.Andit'sbehindourschool.SoIwalkto

school.

Q:Whatistheboy'shomelike?

7.M:Look!It'sapictureofourclassroom.Canyouseeme?

W:Ofcourse!Maryisshort,soshesitsinthefrontoftheclassroom.Butyouare

tall.Yousitatthebackoftheclassroom.

Q:Wheredoestheboysitintheclassroom?

8.M:Whafsyourfavouriteplaceinschool,Alice?

W:Thelibraryandthereadingcornerarereallyinteresting.ButIlikethedining

hallbest.

Q:WhafsAlice9sfavouriteplaceinschool?

9.W:Pleasebequiet.Thisisthereadingroom.

M:Sorry,Grace.

Q:Wherearetheyspeaking?

10.M:Whydoyoulikethesportsfield?

W:BecauseIcandoexerciseswithmyfriendsthere.

Q:Whydoesthegirllikethesportsfield?

第二節(jié)：聽下面兩段材料，包括一篇獨(dú)白和一段對(duì)話，每段材料后有幾道小題。

請(qǐng)根據(jù)材料的內(nèi)容，從題目所給的三個(gè)選項(xiàng)中選出問題的正確答案。每段材料讀

兩遍。

聽第1段材料，回答第H、12小題。

W:Whatclassareyouin,Bob?

M:I'minClass4,Grade7.

W:Oh,we'reinthesameclass.

M:Istherealibraryinourschool?

W:Yes.It'sbehindthemusichall.

M:Great.Iwanttogothere.Wouldyouliketogowithme?

W:Yes,Tdloveto.

聽第2段材料，回答第13至15小題。

Hello,mynameisMary.Thereisalibraryinourschool.Itisinfrontofour

classroom.Therearetwoblackboardsintheclassroom.Thereisafootballanda

basketballbehindthedoor.Oh,thereisalsoacomputeronthebigdesk.Thebigdesk

isfortheteachers.

II.聽填信息

本題你將聽到一段獨(dú)白，讀兩遍。請(qǐng)根據(jù)獨(dú)白內(nèi)容，用所聽到的信息完成下列各

題。（每空不超過三個(gè)單詞。）

Hi,I'mJulie.I'mstudyinginNo.6MiddleSchool.Myschoolisverybigand

clean.Therearethreeclassroombuildings,oneteachers9buildingandascience

buildinginit.Myschoolisnexttoasupermarket.Iusuallybuysomeschoolthings

there.Andthereisalargesportsfieldbehindourclassroom.MyfriendsandIoften

playbasketballthereafterschool.Thelibraryisacrossfromthesportsfield.Ifsmy

favouriteplacebecausethereareallkindsofbooks.Ilikereadingbooksverymuchin

myfreetime.Ilovemyschool.Howaboutyourschool?

I.1-5BACAB6-10BCCBB11-15ACCBC

IL16.clean17.one/ateachers9building18.nextto

19.playsbasketball20.readingbooks

III.第一節(jié)：【主旨大意】本文介紹了作者的學(xué)校。

21.B【點(diǎn)撥】student為可數(shù)名詞，且以輔音音素開頭，用冠詞a。故選B。

22.C【點(diǎn)撥】wouldliketodosth.為固定搭配，意為“想要做某事”,tellsb.about

sth.告訴某人關(guān)于某事，所以此處應(yīng)用totell,故選C。

23.A

24.B【點(diǎn)撥】therebe句型遵循就近原則，此處主語twentyclassrooms為復(fù)數(shù),

所以應(yīng)用are。故選B。

25.D【點(diǎn)撥】根據(jù)"Isitatthebackoftheclassroom...Iamverytall.“可知，此處表

示“我坐在教室后面”的原因是我很高，故選D。

26.B【點(diǎn)撥】根據(jù)"Theotherfour...arethelibrary,twodininghallsandthescience

building.”可知，此處表示另外四棟樓是圖書館，兩個(gè)餐廳和科學(xué)樓，four后

接可數(shù)名詞復(fù)數(shù)形式，故選B。

27.D【點(diǎn)撥】根據(jù)“It5s...favouriteplaceinourschool.”可知，此處表示這是"我"

最喜歡的地方，應(yīng)用形容詞性物主代詞my修飾名詞短語favouriteplace□故

選D。

28.B【點(diǎn)撥】can為情態(tài)動(dòng)詞，后接動(dòng)詞原形，所以此處應(yīng)用read。故選B。

29.C【點(diǎn)撥】根據(jù)"Ilikeplayingballgamesthere,especiallybasketball.”可知，此

處問的是在那里喜歡做什么，為特殊疑問句，用what引導(dǎo)，助動(dòng)詞do與主

語I搭配。故選C。

30.C【點(diǎn)撥】根據(jù)"Somestudentsareplayingthere.”可知，一些學(xué)生們正在那里

玩，他們應(yīng)該很開心，此處應(yīng)用形容詞happy作表語。故選C。

第二節(jié)：【主旨大意】本文介紹了作者學(xué)校的一些情況。

31.B【點(diǎn)撥】根據(jù)句意可知，此處指“你可以叫我Jane"，故選B。

32.C【點(diǎn)撥】根據(jù)下文可知，是學(xué)校的地圖，故選C。

33.D【點(diǎn)撥】根據(jù)"Studentscansitthere”可知，有很多座位，故選D。

34.D

35.B【點(diǎn)撥】根據(jù)"Themusictherealways...good."可知，音樂聽起來很好，故選

Bo

36.A【點(diǎn)撥】空處修飾“pictures”,結(jié)合"Thenextplaceistheartbuilding.”可知，藝

術(shù)樓里的圖畫應(yīng)該是令人驚嘆的，故選A。

37.C【點(diǎn)撥】根據(jù)"Iusuallygotothesportsfieldtoplayping-pongwithmy

classmates.^^可知，在體育場玩應(yīng)該是開心的，故選C。

38.C【點(diǎn)撥】根據(jù)上下文可知，教學(xué)樓是最后介紹的，故選C。

39.B【點(diǎn)撥】根據(jù)"theflag”可知，此處指的是“升旗”，故選B。

40.C【點(diǎn)撥】空處修飾形容詞"delicious"，應(yīng)用really,故選C。

IV.第一節(jié):A【主旨大意】本文是一篇說明文。文章主要介紹了一個(gè)圖書館的構(gòu)

造和各個(gè)區(qū)域的功能。

41.B［點(diǎn)撥］細(xì)節(jié)理解題。根據(jù)“the2ndFloor"中的"Inthehallofthisfloor,there

arethreecomputersforyoutosearchfor（搜索）books.”可知，在二樓，你能在

互聯(lián)網(wǎng)上搜索書籍，故選B。

42.A【點(diǎn)撥】詞義猜測題。根據(jù)“NaturalScienceRoom:Itisonthethirdfloor.You

canreadbooksaboutplants,animalsandotherthingslikethem.^^可知，動(dòng)植物

屬于自然科學(xué)范疇，所以畫線單詞的意思是“自然的”。故選A。

43.B【點(diǎn)撥】細(xì)節(jié)理解題。根據(jù)“Social（社會(huì)的）ScienceRoom:Hereyoucanread

booksabouthistory,arts,music,scienceandworksofwritersfromalloverthe

world.“可知，如果David想讀一本歷史書，他可以去社會(huì)科學(xué)室。故選B。

B【主旨大意】本文