B PRACTICE A8 UNIT 7
Exercise1:Choosethewordwhichhasdifferentstressposition.
1.A. alphabeticB.dynamicC.systematicD. electronic
2.A. relicB.criticC.classicD.magnetic
3.A. electricB.linguisticC.magicD.acetic
4.A. kineticB.realisticC.toxicD. political
5.A. economicB.botanicC.cosmeticD. specific
6.A. directionalB.specialC. denialD. arrival
7.A. rationalB.conicalC. approvalD. practical
8.A. chemicalB.additionalC. abnormalD.intentional
9.A. logicalB.centralC. criticalD.analytical
10.A. sensationalB.conventionalC. victualsD. contaminant
Exercise2:Markthestresspositionofthewordsinthebox.
1.intentional6.canal
2.national7.journalistic
3.clinic8.microscopic
4.comic9.international
5.curricular10.historic
Exercise3:Lookatthepictureandputthecorrecttypesofpollutionunder it.
light pollutionsoilpollution
radioactivepollutionairpollution
noise pollutionvisualpollution
waterpollutionthermalpollution

Exercise4:Puttheverbsinbrackets:ConditionalsentencetypeIortypeII.
1.Ifyoucomewithme,I (do)............................the shoppingwithyou.
2.Jimmy(help)............hismotherinthegardenifshereadshimastorythisevening.
3.Ifit(ran)............................,I willstayat home.
4.Ourteacherwillbehappyifwe(learn)............................the poembyheart.
5.Iftheyhadenoughmoney,they (buy) ............................a newcar.
6.We(pass)............................theexam ifwestudiedharder.
7.IfPat(repair) ............................hisbike,he couldgoonabicycletourwithus.
8.She wouldget100poundsifshe(sell)............................thisoldshelf.
9.IfI were you,I (invite)............................Jacktotheparty.
10.Iftheweather(be)............................fine,thechildrencanwalk toschool.
Exercise5:Puttheverbsinbrackets:ConditionalsentencetypeIortypeII.
1.IfTracyhada mobilephone,she(phone)............................allherfriends.
2.I willbe very angry withNickifhe(forget)............................my CDagain.
3.Ifthe boyswinthis match,theircoach(invite)............................themtoa barbecue.
4.Ifyou(not/read)…….....thesearticles,youwillnotknowthefactsaboutAfrica.
5.You(get)............................ very wetif youwalkedinthis rain.
6.Theengine(not/start)............................if Benconnectedthesetwocables.
7.Ifhe (have)............................time,he will buyhersomesweets.
8.Mariawouldplayintheschoolorchestraifshe(practice)............................the
trumpetmoreoften.
9.We(not/fetch)......somethingtodrinkifJimdoesnotbringsomesandwiches.
10.Ifhe (carry)............................therucksack,I wouldpullthesuitcase.
Exercise6:Choosethecorrectanswers.
2.Doyouthinktherewouldbelessconflictintheworldifallpeople............the
samelanguage?
A. spokeB.speakC.hadspokenD. willspeak
3.ifyoucangivemeonegoodreasonforyouractinglikethis,...thisincidentagain.
A. I willnevermentionB.I nevermention
C. willI nevermentionD.I don’tmention
4.Unlessyou.................allofmy questions,I can’tdoanything tohelpyou.
A. answeredB.answerC. wouldanswerD. are answering
5.Ifsomeone .................intothestore,smileandsay,“May I helpyou?”
A. comesB.cameC. wouldcomeD.couldcome
6.“Here’smy phonenumber”.
“Thanks. I’llgiveyouacallif I.................some helptomorrow”
A. willneedB.needC. wouldneedD.needed
7.IfI weren’t working foranaccounting firm,I.................in abank.
A. workB.willwork
C.haveworkedD.wouldbeworking
8.Thedeathratewoulddecrease if hygienicconditions .................improved.

A. wasB.isC.wereD. hadbeen
9.Thepatientcouldnotrecoverunless he.................anoperation.
A. hadundergoneB.wouldundergoC. underwentD.was undergoing
10.Ifshe.................him,shewouldbe very happy.
A. wouldmeetB.willmeetC.ismeetingD. shouldmeet
Exercise7:Choosethecorrectanswers.
1.IfI hadenoughmoney,I.................abroadto improvemy English.
A. willgoB.wouldgo
C. shouldgoD. shouldhavegoto
2.Thebenchwouldcollapseifthey.................on it.
A. stoodB.standC.standingD.stands
3.Ifit.................convenient,let’sgooutfora drinktonight.
A. beB.isC.wasD.were
4.Ifyou.................time,please writeto me.
A. haveB.hadC.have hadD. has
5.I shouldn’tgothereat nightif I.................you.
A. amB.wasC. beD.were
6.IfI.................geta pole,I will gofishing.
A. canB.couldC.mayD.might
7.Ifyouhadthechance,.................yougofishing?
A. didB.mayC. wouldD. do
8.Ifyoua.................choice,whichcountry wouldyouvisit?
A. haveB.hadC.have hadD. willhave
9.She willaccept theoffer.................youpersuadeher.
A. unlessB.becauseC. provided thatD.otherwise
10..................hewouldaccompany youonthepiano.
A. Supposinghewere hereB.Because he were here
C. WerehehereD. BothA andC
Exercise8:Choosetheincorrectpart.(1)
1.Ifwemeet at9:30,wewouldhaveplentyoftime.
ABCD
2.Ifyoufindaskeleton inthecellar,nottomentionittoanyone.
ABCD
3.Ifyoupassesyourexamination,wewillhaveacelebration.
ABCD
4.Lisawouldfindthemilkif shelook foritinthefridge.
ABCD
5.Whatwouldhappenif Ipressthisbutton?
ABCD
6.Thedoorwillbeunlockifyoupressthe greenbutton.
ABCD

7.IfyougotoParis,whereyouwillstay?
ABCD
8.Ifyouswiminthislake,you’llshiverofcold.
ABCD
9.Ifsomeoneofferedtobuyyouoneofthoserings,whichyouwouldyouchoosing?
ABCD
10.Theflightmaytobecancelledif thefoggets thick.
ABCD
Exercise9: Choosetheincorrectpart.(2)
1.Ifthe milkmanconies,tellhimtobeleave twopints.
ABCD
2.I willcallthe officeifI wereyou.
ABCD
3.Someonewillsitsonyourglassesif youleave themthere.
ABCD
4.Youwouldhearmy explanationifyoudidnottalkedsomuch.