高中英语必修5练习：Module 1 The First Period Vocabulary Building

Module1BritishandAmericanEnglish

第一课时IntroductionfeReading

I.单词拼写

1.HehaddevelopedaslightAmerican（口音）afterlivinginAmerica

forsometime.

2.Itwas（显然的）toeveryonethatthechildhadbeenbadlytreated.

3.we're（排队）uptobuytickets.

4.Just（比较）the.roomthathasbeencleanedwiththeothers.

5.Iftwoormorethings_（不同），theyareunlikeeachotherinsome

ways.

6.Pricesarerising（持续地）inChina,whichmakespeoplefeelworried.

7.Thestudentsmajoringinmedicinemuststudythe（结构）ofthehuman

body.

8.Someofthequestionsheaskedwerevery（令人困惑的）soIdidn，tknow

howtoanswerthem.

9.Importantdetailshadbeen（省略）fromthearticle.

10.Peoplechangetheirmindsfora（种类）ofreasons.

.答案：1.accent2.obvious3.queuing4.compare5.differ6.steadily

7.structure8.confusing9.omitted10.variety

II.完成句子

1.尽管他们是好朋友，但他们几乎没有共同之处。

Althoughtheyaregoodfriends,they____________________________________.

2.这个男孩领着路，我们毫不费事地找到了他的家。

Theboyleadingtheway,wehis

home.

3.我们对人生持不同的看法，这丝毫没有影响我们的友谊。

Ourdifferentviewsoflifetoourfriendship.

4.和班上其他学生的作文相比，玛丽的是最好的。

theotherstudents5compositionsintheclass,Mary'sisthe

best.

5.他的工作和我的很相似。

Hisjobis.

答案：1.havelittleincommon

2.hadnodifficultyinfinding

3.maken.odifference4.Comparedto/with

5.similartomine

III.单项填空

1.ViolenceonTVturnsouttobeastrongonsomeyoungpeople.

A.impressionB.expression

C.influenceD.influential

答案:C句意：电视中的暴力片段对一些年轻人有强烈的影响力。impression“印象”；

expression”表情，表达"；influence"影响力"；influential”有影响的”。

2.Ihaddrivenforawholeday,anddecidedtoputupinasmalltown,because

Iwastiredout;besides,mycarneededtobe.

A.cleanedupB.filledup

C.pulledupD.usedup

答案：B句意：我开了一天的车，决定在一座小城镇中住下来，因为我累极了，再说

我的车也需要加油。cleanup"把……收拾干净，除掉"；fill.up“装满，填充"；pull

up“停车”；useup“用光”。

3.Mostpeopleonthisislandarerecreationalfishermen,and,fishing

becomesanactualpartoftheirleisuretime.

A.accidentallyB.purposefully

C.obviouslyD.formally

答案：c句意：这个岛上的大部分人都是消遣性的渔民，很显然，钓鱼实际上成了他

们悠闲时光的一部分。

4.Mary'sfatherlikesto；MondayhewasinWashington;Wednesdayhe

wasinChicago,andtodayheisinNewYork.

A.getalongB.turnaround

C.getaroundD.turnup

答案：C句意：玛丽的父亲喜欢到处跑，星期一他在华盛顿，星期三他在芝加哥，而

今天他又到了纽约。getalong"进展"；turnaround"转身"；getaround"四处走动"；

turnup“出现”。

5.一WhatdoyouthinkofthenewEnglishteacher?

——sheisanelegant（优雅的）lady,shecanbeextremelydifficultto

workwith.

A.EvenifB.When

C.WhileD.Once

答案：c句意：一“你认为这位新来的英语老师怎么样？”一“虽然她是一位优雅的

女士，但是与她共事很难。”此处要用while引导让步状语从句，表示“虽然……但

是……”。

6.一Sheshouldnothavedonethatsortofthing.

一Whatevershedidwasreasonable,towhatyouhaddone.Besides,it's

noneofyourbusiness.Getdowntoyourlessons.

A.compared;doingB.comparing;doing

C.compared;doD.comparing;do

答案：A句意：一“她不应当做那种事情。”一“与你所做的相比，她所做的任何事

情都是合情合理的，再说，这也不关你的事，赶紧做你的功课吧。"compare与主语whatever

shedid是被动关系，故用compared；getdownto后接名词、动名词作宾语。

7.Supermarketsnowofferagreatofgoodstosatisfydifferentneeds

and.

A.variety;tastesB.type;hopes

C.number;smellD.kind;market

答案：A句意：超市现在提供种类繁多的货物以满足不同的需要和爱好。avariety

of“不同种类的"；这里taste指“爱好”。

8.一Whichteamistowinthegame?

一Inmyopinion,itisforourteamtowin.

A.probable;likelyB.possible;probable

C.likely;probableD.likely;possible

答案：D句意：一“哪一队有可能赢？”一“据我看，我们队有可能赢。”第一个空

主语是whichteam,所以只能用likely。possible和probable都不能跟在具体意义的主

语后面；第二个空只能用possible构成itispossibleforsb.todosth.句型。要注

意虽然probable和likely可用形式主语it,但是这时真正的主语只能是that从句，不能

是动词不定式。

9.Thoughplasticbagsreallybroughtconveniencetous,theyalsomany

problemsfortheenvironment.

A.ledtoB.turnedto

C.cametoD.appealedto

答案：Aleadto“导致”，这里选A项表示“它们也给环境带来了很多问题”。

10.Ispossibletoflytothemooninaspaceship?

A.whatB.this

C.itD.that

答案：C此处使用的是“Itis+a力:+todosth.”句型的一般疑问句形式。

IV.完形填空

Doyouknowhowmanylanguagesthereareintheworld?Thereareabout1,500,

工manyofthemarenotve.ry2.Englishisoneofthemostimportantlanguages

becausemanypeople3it,notonlyinEnglandandAmerica,4inother

countriesoftheworld.About200,000,000speak3theirownlanguage,and

another200,000,000useitasglanguage.Itis?tosayhowmanypeople

arelearningit.§boysandgirlsinschoolaretryingtodoso.

ManyEnglishchildrenstudyFrench.Frenchisalsoaveryimportantlanguage.

9childrenstudyGerman,Russian,JapaneseandChinese.Whichisthebest10

tolearnalanguage?Weknowthatwealllearnt11languagewellwhenwewere

12.Ifwelearnasecondlanguage.inthe」3way,itwon，tseemsodifficult.

Whatdoesasmallchilddo?It14whatpeoplesay,andittriestoguesswhat

ithears.Whenitwantssomething,ithasto15it.Itisusingthelanguage,

16initandtalkinginitallthetime.Ifpeopleuseas.econdlanguage17,

theywilllearnit18.

Inschool,youlearntoread,tohearandtospeak.Itisbesttolearnallnew

wordsthroughthe19.Youcanreadthem,spellthemand20them.

你知道世界上有多少种语言吗？你在学校觉得外语难学吗？认真阅读本文后，你会得到

这两个问题的答案。

1.A.butB.and

C.yetD.while

答案：A根据前文的uThereareabout1,500.”以及后文的"manyofthemare

notvery...”可知有转折的意思，所以A项的but符合。

2.A.usefulB.necessary

C.importantD.good

答案：C文章第一段的提示“themostimportantlanguages”主要谈世界上最重要

的语言之一是英语，因此可以推断出全世界1,500多种语言中有许多是不重要的。

3.A.likeB.use

C.learnD.speak

答案：B由于很多人使用英语，所以英语才是世界上最重要的语言，因此选use。

4.A.butB.and

C.alsoD.so

答案：A，该空与上文的notonly一起构成“notonly...but(also)...”固定短语,

意为“不仅……而且

5.A.likeB.with

C.forD.as

答案:D全世界有200,000,000一人把英语作为母语来讲，所以用介词as,意为“作为”。

6.A.foreignB.asecond

C.thesecondD.aspecial

答案：B全世界有200,000,000人把英语作为第二语言与自己的母语并列使用。“a

+序数词”表示“再一，另一"；thesecond“第二”。这里的“a”不能换成“the”，所

以选B项。

7.A.easyB.again

C.difficultD.best

答案：c句意为：目前全世界有多少人正在学习英语很难说。

8.A.MillionsofB.Millionof

C.MillionsD.Severalmillion

答案：Amillionsof意为“无数，许多”；severalmillion意为"数百万"。该句

表示“全世界许许多多的学生正在学习英语”。

9.A.SomeB.Other

C.AllD.Few

答案：A上文说很多英国学生学习法语，也有一些学生学习其他语言，如德语、俄语、

日语和汉语。依据句意，选A项。

10.A.timeB.way

C.thingD.place

答案：B下文主要谈论学习语言的方法。

11.A.aforeignB.ourmother，s

C.other，sD.ourown

答案：D当我们还是孩子的时候，就学会了自己的母语，故D项正确。

12.A.bornB.children

C・grownD.boys

答案：B根据句意和常识可知，B项正确。

13.A.sameB.different

C.usefulD.good

答案：A如果我们用同样的方法学习另一门语言，就不会那么难了。

14.A.doesB.says

C.listenstoD.follows

答案：C在孩子学会说话之前，先要“听"。follow是“领会、听清楚”的意思。

15.A.askB.want

C.getD.a.skfor

答案：Daskforsth.意思是“请求得到某物”

16.A.speakingB.writing

C.thinkingD.doing

答案：c孩子索取东西的过程，其实就是运用语言思维和交流的过程。

17.A.sometimeB.sometimes

C.allthetimeD.forthetime

答案：Csometime意为"一段时间"；sometimes意为"有时候"；allthetime

意为“一直，总是"。根据句意，应选C项。

18.A.quicklyB.soon

C.freelyD.eas.ily

答案：A如果人们一直使用另一门语言,那么他们就会很快地学会这门语言。

19.A.mouthB.hands

C.earsD.mind

答案：C学习生词最好先听，既然是听,当然要用耳朵。

20.A.speakB.use

C.loveD.write

答案：D根据句意可知D项正确。

V.阅读理解

Somepeople,learnasecondlanguageeasily.Otherpeoplehavetroublelearning

anewlanguage.Howcanyouhelpyourselflearnanewlanguage,suchasEnglish?

ThereareseveralwaystomakelearningEnglishalittleeasierandmoreinteresting.

ThefirststepistofeelconfidentaboutlearningEnglish.Ifyoubelievethat

youcanlearn,youwilllearn.Bepatient.Youdonothavetounderstandeverything

allatonce.Itisnaturaltomakemistakeswhenyoulearnsomethingnew.Wecan

learnfromourmistakes.

ThesecondstepistopracticeyourEnglish.Forexample,writeajournalevery

day.YouwillgetusedtowritinginEnglish,andyouwillfeelcomfortableexpres.sing

yourideasinEnglish.Afterseveralweeks,youwillseethatyourwritingis

improving.Besides,youmustspeakEnglisheveryday.Youcanpracticewithyour

classmatesoutsideclass.Youwillallmakemistakes,butgraduallyyouwillbecome

comfortablecommunicatinginEnglish.

Thethirdstepistokeeparecordofyourlanguagelearning.Youcanwrite

thisinyourjournal.Aftereachclass,thinkaboutwhatyoudid.Didyouanswer

aquestioncorrectly?Didyouunderstandsomethingtheteacherexplained?Perhaps

thelessonwasdifficult,butyoutriedtounderstandit.Writetheseachievements

inyourjournal.

YoumustbepositiveaboutlearningEnglishandbelievethatyoucandoit.It

isimportanttopracticeeverydayandmakearecordofyourachievements.Youwill

enjoylearningEnglish,andyouwillhavemoreconfidenceinyourself.

1.WhatisimportanttolearnEnglish?

A.ToreadEnglisheveryday.

B.Tomakearecordofyourmistakes.

C.Tobuyadictionary.

D.TopracticeEnglisheverydayandmakearecordofyourachievements.

答案：D细节理解题。由文中最后一段第二句可知正确答案为D项。

2.WhenyoulearnEnglish,youdonotneedto.

A.bepatient

B.makemistakes

C.expressyourideasinEnglish

D.understandeverythingallatonce

答案：D细节理解题。由文中第二段第四句"Youdonothavetounderstand

everythingallatonce.”可知D项为正确答案。

3.WhichisNOThelpfulforyoutoenjoylearningEnglish?

A.TocommunicateinEnglish.

B.Toworryaboutmakingmistakes.

C.Tothinkaboutwhathasbeendoneafterclasses.

D.Tomakearecordofyourachievements.

答案：B细节理解题。由第二段倒数第一、二句话可知B项正确。

4.HowmanywaysaregiventolearnEnglishinthepassage?

A.Twoways.B.Threeways.

C.Fourways.D.Fiveways.

答案：B细节理解题。从文中第二、三、四段的首句可知正确答案为B项。

5.Whatisthemainideaofthispassage?

A.Itisveryimportanttolearnasecondlanguage.

B.Somepeoplelearnasecondlanguageeasilywhileotherpeopledonot.

C.Therearewaystohelpyoulearnasecondlanguagemoreeasily.

D.Don，tworryaboutmakingmistakeswhenlearningasecondlanguage.

答案：C主旨大意题。文章第一段最后一句为本文的主旨句，故C项正确。

第二课时CulturalCorner&Task

I.单词拼写

1.Youwillbethefutureworkersina（迅速地）changingworld.

2.Ourheadmastermadean（宣布）thatwewouldholdthesportsmeeting

thenextweek.

3.Besides（语言学），wehavetostudyliteratureandphilosophy.

4.Manywordshavebeen（增力口）tothiseditionofthedictionary.

5.Usually,thelast（版）ofthisnewspapergoestopressat6p.m.

6.Thequestionbeingdiscussedwas（提出）bytheheadmaster.

答案：1.rapidly2.announcement3.linguistics4.added5.edition

6.presented

n.用所给词组的适当形式完成句子

infavourofmakeafussofbepopularwithgetusedto

getonadd..tobelongtopickupwearoffreferto...as

1.Areyoutheproposalheputforwardyesterday?

2.ThemonthlymagazineYouthyoung,people.

3.Wehimaheroforhissavingthechilddrowningintheriver.

4.Whydidn，t.youthatbookwhichlayontheground?

5.Afterafewweeks,.1gettingupearlyeverymorning.

6.Asthebabywasthefirstchildinthefamily,allit.

7.milkthemixturebeforeheatingit.

8.Iexpectweshallverywellwhensheknowsmebetter.

9.Englishdoesn，tonegroupofpeople.

10.Thesmellofthenewpaintwillinaboutaweek.

答案：1.infavourof2.ispopularwith3.referto；as

4.pickup5.gotusedto6.madeafussof7.Add；to

8.geton9.belongto10.wearoff

III.根据所给的汉语提示完成下列句子

1.哈尔滨经常被称为冰城。

HarbinisoftentheCityofIce.

2.他并不赞成眼下正在做的这件事情。

Heisnotwhatisbeingdonenow.

3.慢跑如今很受中年人青睐。

Joggingisnowverymiddle-agedpeople.

4.不要拿不属于你的东西。

Don，ttakethingsthat____________________________________you.

5.我们的老师与学生们相处得非常融洽。

Ourteacheriswellthestudents.

6.既然你明天忙，那我就不给你打电话了。

youarebusytomorrow,Iwon'tcallyouupthen.

答案：1.referredtoas2.infavourof3.popularwith4.donotbelongto

5.gettingon/along；with6.Nowthat

IV.单项填空

1.Allthepeopleatthemeetingwerehissupporters.

A.thankfulB.interested

C.presentD.important

答案：C此题考查present作形容词，意为“出席的，到场的“。bepresentat...

指“出席...”，这里presentatthemeeting作后置定语。A项意为“感激的”；B项意

为“感兴趣的”；D项意为“重要的”，均与句意不符，也与at不搭配。句意：所有出席

这次会议的人都是他的支持者。

2.Johnsonthediscoveryamajorbreakthroughinmedical

science.

A.consideredto;asB.considered;to

C.referred;forD.referredto;as

答案：Drefer,to...as...”称...为....,为固定搭配。

3.BeginnersofEnglishcanquitewellwithoutlearninganygrammar

rules.

A.getalongB.gettoknow

C.getoverD.getthrough

答案:Ageton/along为固定搭配，在句中意为“进展……”。

4.Whynotstayathometheroadissoslipperyaftertheheavysnow?

A.sincethatB.afterthat

C.thenthatD.nowthat

答案:D句意：既然大雪过后路那么滑，为什么不待在家里呢？nowthat意为“既然”。

5.Theengineofthebuswasoutoforder,andthebadweathertheworries

ofthepassengers.

A.addedupB.addedto

C.resultedfromD.madeof

答案：Baddup”把...加起来”；addt.o“增加”；resultfrom"起因于“；(be)

madeof"由……制成”。句意：公交车的引擎出了毛病，糟糕的天气更增加了乘客的烦恼。

6.一Whatdoyouthinkisagoodwaytoloseweight?

一Iamtakingexerciseinsteadofgoingonadiet.

A.inhonourofB.incontrolof

C.infavourofD.inchargeof

答案：Cinhonourof“为了纪念"；incontrolof"控制"；infavourof"赞成"；

inchargeof“管理”。

7.Samsomeknowledgeofthecomputerjustbywatchingothersworking

onit.

A.broughtupB.lookedup

C.pickedupD.setup

答案：C句意：Sam仅仅通过观察他人用电脑学了一些电脑知识。pickup“学会”；

符合语境。

8.TheoldmanaskedLucytomovetoanotherchairhewantedtosit

nexttohiswife.

A.althoughB.unless

C.becauseD.if

答案：C空格前后在逻辑意义上存在因果关系，所以用because引导原因状语从句。

although引导让步状语从句，unless和if引导条件状语从句。

9.一MayIspeaktoyourmanageratthreeo'clocktomorrowafternoon?

一rmsorry.HetoShanghaibythen.

A.willhaveflownB.hadflown

C.canhaveflownD.hasflown

答案：A由句中的时间状语threeo'clocktomorrowafternoon,bythen可知，此

处表示到将来的某个时间已经完成的动作，故用将来完成时。

10.一rvebeentoldthatJohnformhisjourneytoIndia.Whatabout

visitinghimtonight?

一Great.I'11callforyouat630p.m.

A.hadcomebackB.isback

C.camebac.k.D.comingback

答案：BI'vebeentold是现在完成时态，强调的是对现在造成的影响，即约翰回来

了；空格处是对现在事实的陈述，故用一般现在时。

V.阅读理解

A

ReadingisveryimportanttohelpyoulearnEnglish.Tolearnasmuchasyou

canfromreading,youneedtoreaddifferentkindsofEnglish.Thisbookprovides

notonlydifferentkindsofEnglishbutalsoagoodwaytocheckyourreadingability.

Therearefourpartsinthebook：

Part1IsMessages:Inthispartsomebodywantstosendinformationinwriting

tosomebodyelse.Thereisatestontimetablesandatestontextmessages.

Part2IsPeople：Inthispartallthetestsareaboutpeople.Forexample,

thereisaninformalletterbetweenfriends.Thereisformal（正式的）Englishin

biography（传记）.Thereisajobapplicationasamodeltohelpwithyourwriting,

aswellastestingyourreading.

Part3IsPlaces：Inthispart,too,manydifferentkindsofEnglishareshown,

someinformalandsomeformal.ThereistheinformalEnglishofaholidaypostcard.

ThereisalsotheformalEnglishinaletterofcomplaint.

Part4IsThings：Youwillfindsomedescriptivewritin.ginthispart.There

aredescriptionsofclothesandofacomputer.

Youcandothesetestsinanyorderyoulike,oryoucandoallthetestswith

aformalorinformaltext.

IenjoyedwritingthisbookandIhopeyouenjoyusingit.

1.Wecanfindtheintroductiontoaproductin.

A.Part1B.Part2

C.Part3D.Part4

答案：D细节理解题。从Part4中第二句"Therearedescriptionsofclothesand

acomputer.,,可以看出这是对产品的介绍。

2.WhichofthefollowingismostprobablywrittenininformalEnglish?

A.Aletterofcomplaint.

B.Acomputerhandbook.

C.Alettertoafriend.

D.Astoryofapresident.

答案：C细节理解题。从Part2中的第二句话可知C项正确。

3.Thepassageismostprobablywrittenfor.

A.testdesignersB.students

C.testtakersD.teachers

答案：B推理判断题。文章一开始就说明了，这是为学英语的人准备的阅读材料，所

以选择B。

4.Whatisthebesttitleofthebook?

A.TestYourReading

B.HelpwithYourWriting

C.LearnDifferentKindsofEnglish

D.PractiseEnglishinDifferentWays

答案：A主旨大意题。从全文和文章的倒数第二句话可以看出这本书是用来检验你的

英语阅读水平的。

B

“Howareyou?”isanicequestion.It，safriendlywaythatpeopleinthe

UnitedStatesgreeteachother.But“Howareyou?”isalsoanunusualquestion.

It'saquestionthatofte.ndoesn，tneedananswer.Thepersonwhoasks“Howare

you?”expectstoheartheanswer"Fine”,evenifthepersonisn，tfine.The

reasonisthat“Howareyou?”isn，treallyaquestionand“Fine”isntreally

ananswer.Theyarecommonwaysofsaying“Hello"or"Hi".

Sometimes,peopledon'tsayexactlywhattheymean.Forexample,when,someone

asks“Doyouagree?”theotherpersonmaybethinking,“No,Idon't.Ithink

youarewrong."Itisn，tpolitetodisagreeverystrongly,thenhemightsay,"I

amnotsosure."Thisisanicerwaytosaythatyoudon，tagreewithsomeone.

Peoplealsodon51sayexactlywhattheyarethinkingwhentheyfinishtalking

tootherpeople.Forexample,manyconversationsoverthephoneandwhenoneperson

says,"I'vegottogonow."orthepersonwhowantstohangupwillgiveanexcuse,

suchas“Someoneisatthedoor"or"Somethingisburningonthestove（火炉）,“

Theexcusemaybereal,ornot.Thepersonwhowantstohangupsimplydoesn，twant

totalkanymore,butitisn51politetosayso.Anexcuseispolite,anditdoesn，t

hurttheotherperson，sfeelings.

Whethertheyaregreetingeachother,talkingaboutanopinion,orendinga

conversation,peopleoftendon，tsayexactlywhattheyarethinking..It，san

importantwaythatpeopletrytobenicet.oeachother,andit，spartofthegame

oflanguage.

5.Thepassageismainlyabout.

A.howtomakefriendswithpeople

B.somepolitequestionsusedtogreetanotherperson

C.importantwaysofbeingpolitetootherpeople

D.howtoendaconversation

答案：c通读全文可知，本文主要讲述的是礼貌待人的一些重要方式，故选C项。

6.Ifyouhavedifferentopinionsfromsomeone,itispolitetosa.y"”.

A.You'rewrong.

B.rmnotsurethatyouareright.

C.Ofcourse,Idisagree.

D.No,Idon，tagreewithyou.

答案：B由第二段最后两句可知，当不同意别人的观点时，礼貌的回答为“Iamnotso

sure”，B项与之最为相近。

7.Whichofthefollowingisapolitewaytofinishaconversation?

A.Ihavenotimetotalktoyounow.

B.Iwanttostoptalkingnow.

C.Ihavetogonow.

D.Idon，twanttotalkanymore.

答案：C由第三段前两句可知，"I'vegottogonow”是结束对话的礼貌方式，C

项与之最为相近。

8.Accordingtothepassage,whenapersonsays“Somethingisburningonthe

stove"，itmeansthat.

A.heisgoingtoanotherplace

B.heishurtingsomeone，sfeelings

C.heistalkingtoapersonatthedoor

D.heisgivinganexcuse

答案：D由第三段第二句中的“orthepersonwhowantstohangupwillgivean

excusesuchas,Someoneisatthedoor'orSomethingisburningonthestove.'"

可知，说“炉子上的什么东西烧焦了”只是一种借口，是对方想结束对话的礼貌表达。

9.Oneoftherulesofthegameoflanguageisprobably.

A.tobepolite

B.nottodisagreewithothers

C.tosaywhatyoumean

D.toalwayssayexactlywhatyouarethinking

答案：A由文章末句可知，运用语言的规则之一是礼貌地、友善地对待彼此。故选A

项。

第三课时CulturalCorner&Task

I.单词拼写

1.Hemadean（努力）topasstheexam,butitwastoodifficult.

2.Hischaracterisa（组合）ofstrengthandkindness.

3.Wearesurewecanchangethe（面貌）ofourvillagewithourown,hands.

4.Believeitornotthere'snosuchthingas（标准）English.

5.Thenovelhasbeen（简化），soitismucheasierforchildrentoread.

6.Themalebirdhas（与众不同）blackandwhitemarkingsonitshead,

whichpeoplecantellfromothers.

7.TheteacherthoughtitwaswrongofBettynottofinishherhomeworkontime,

sohe（扑匕评）her.

8.Thelibrarycontainsalargenumberofforeignlanguage（参考）books.

答案：1.attempt2.combination3.look4.standard

5.