人教版高中英語(yǔ)必修第二冊(cè)UNIT3 Section Ⅲ Discovering Useful Structures練習(xí)含答案

SectionⅢDiscoveringUsefulStructures課后·訓(xùn)練提升一、選詞填空f(shuō)unctionconfirmpressuremakeacommentfilebutton1.Don’tworkundertoomuch.

答案:pressure2.I’llhavethemachinerepairedforitdoesn’tproperly.

答案:function3.It’simpolitetoonwhatothersarewearing.

答案:makeacomment4.Icalledtotheexacttimeoftheconference.

答案:confirm5.Yourapplicationwillbekepton?.

答案:file6.Ahadcomeoffhisovercoat.

答案:button二、完成句子1.男孩們已經(jīng)被多次告知不要在那個(gè)湖里游泳。Theboysswiminthatlake.

答案:havebeentoldmanytimesnotto2.聽(tīng)說(shuō)他已被復(fù)旦大學(xué)錄取后我們很高興。WeweregladtohearthatheFudanUniversity.

答案:hadbeenadmittedto/into3.何時(shí)去何地度假還沒(méi)定下來(lái)。goonholidayyet.

答案:Whenandwhereto;hasnotbeendecided4.雖然我們不知道討論了什么,但是我們感覺(jué)話題已經(jīng)變了。Thoughwedon’tknowwhatwasdiscussed,yetwecanfeel.

答案:thetopichasbeenchanged5.人們的健康已經(jīng)受到空氣、噪聲和水的極大影響。?byair,noiseandwater.

答案:People’shealthhasbeengreatlyaffected三、七選五閱讀理解Summerisagreattimetohitthebeach,butafewEastCoastbeachgoershaverecentlyhadtheirfuninthesunturnedintoanightmare.InJulyalone,therehavebeenatleastfiveknownsharkattacksatCarolinabeaches.Althoughsharkattacksareactuallyquiterare,theseanimalsstillinspirefearinoceanwaters.1

Skipfeedingtime.2Ofcourse,anattackcanhappenatanyhourofthedayornight,butnight-timeanditstransitionsarestatisticallytheworsttimestobeinthewater.Itisbelievedthatthelackofvisibilityduringthesehoursmakesiteasierforthesharkstomistakeyouforoneoftheirtypicalpreyanimals.

3

Youdon’tneedtodumpsharkrepellent(驅(qū)鯊劑)intotheseawhenyouswim,butithelpstobelessattractiveasatarget.Sincesharkstendtoattackindividuals,swimorsurfingroups.Don’twearbrightlycolouredorhigh-contrastswimwearthatisattractivetosharks,andleavetheshinyjewelryathomeincaseofbeingmistakenforthescales(鱗片)ofafish.4Playfullysplashing(潑灑)aroundresemblessharks’preyintrap.

Fightback.Whenasharkwantstoeatyou,you’llknowinadvance:Itwillhunchitsback,loweritsfins,andrushatyouinazigzagpattern.Useyourdiveknifeoranythingelseyou’repackingtodiscourageit.5Ifyouarecompletelyunarmed,punchtheshark’ssupersensitivenoseorstabatitseyesorgills.Ifthesharkbitesintoyou,don’tgiveup.Getaggressiveanddosomedamagetotheshark.Itmightjustletgo.

A.Don’tactlikedinner.B.Don’tgointothewaterindividually.C.Alsowatchyourmovementinthewater.D.Nevertheless,thefollowingthreeaspectscouldhelp.E.Ifyouhaveasurfboardorbodyboard,useitasashield.F.Ifyouactuallygettrapped,avoidirregularmovementsandsplashing.G.Thetimeofdayhasalwaysbeenafactorinapossiblesharkattackonhumans.答案:1~5DGACE四、完形填空Mymotherwasaresponsibleteacherandsheretired.SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.Shehadalittlebitofcomputer1,soIjustsetitupforherandlether2withitonherown.

Astimewenton,I3thecomputerwashardlytouched.Shesaidshedidn’tknow4touseit.Idecidedtoteachher.Isatand5everythingandsheseemedOKwithwhatIsaid.Unfortunately,mysistercalledmeatthatmomentandwetalkedonthephoneforanhour.ThenwhenIsawheragain,shewassittinginfrontofthecomputer,lookingquite6.Thescreensaver(屏幕保護(hù)程序)hadappearedandshedidn’tknowhowto7itoff.Shehadtried8everykeyanditdidn’twork.Itoldher,“Just9themousealittle.”WhatImeantwasthatshejustneededtomovethemousearoundtowakethecomputerup.Whatshedidwasto10themouseandstartshakingitaroundinmid-airuntilthe11wentcompletelyblack.Icouldn’thelplaughingbecauseofherfunny12.ThemoreIlaughed,theangriershegot.

ShethoughtthatIwasa(n)13“teacher”andshedecidedtofigurethethingoutherself.Well,atleastIhelpedherovercomeher14ofbreakingsomethingandencouragedhertoexperimentalittle.

Aboutaweeklater,Ifoundahome-made15cardwithamouseonthefrontmakingafunnyfacestucktomydoor.Itsaid,“Thanksforthecomputerlessons.Love,Mom.”

1.A.theory B.knowledgeC.technology D.history答案:B解析:根據(jù)下文中的“Shesaidshedidn’tknow4touseit.Idecidedtoteachher.”可推知,作者的母親對(duì)電腦所知甚少,此處指電腦知識(shí)。theory“理論”;knowledge“知識(shí)”;technology“技術(shù)”;history“歷史”。故選B項(xiàng)。

2.A.watch B.trainC.play D.see答案:C解析:根據(jù)上文中的“SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.”可知,作者給母親一臺(tái)自己的舊電腦是讓退休的母親自己玩。playwith...“玩……”。故選C項(xiàng)。3.A.found B.heardC.thought D.ignored答案:A解析:句意:隨著時(shí)間的推移,我發(fā)現(xiàn)電腦幾乎沒(méi)被碰過(guò)。find“發(fā)現(xiàn)”;hear“聽(tīng)”;think“想”;ignore“忽視”。故選A項(xiàng)。4.A.why B.whenC.how D.where答案:C解析:根據(jù)下文中的“Idecidedtoteachher.”可推知,母親并不知道怎么使用電腦,于是作者決定教她。故選C項(xiàng)。5.A.learned B.describedC.explained D.discussed答案:C解析:根據(jù)空處前一句“Idecidedtoteachher.”和空后的“...andsheseemedOKwithwhatIsaid.”可推知,作者給母親講解了相關(guān)的電腦知識(shí)。learn“學(xué)習(xí)”;describe“描繪”;explain“說(shuō)明;闡明”;discuss“討論”。故選C項(xiàng)。6.A.amusing B.relaxedC.interesting D.discouraged答案:D解析:結(jié)合語(yǔ)境可推知,母親不會(huì)玩電腦,感到很灰心。amusing“好玩的”;relaxed“輕松的”;interesting“有趣的”;discouraged“灰心的”。故選D項(xiàng)。7.A.get B.breakC.cut D.turn答案:D解析:根據(jù)空前的“Thescreensaverhadappeared...”及常識(shí)可推知,電腦出現(xiàn)屏幕保護(hù)程序,母親不知道怎么把它關(guān)掉。turnoff“關(guān)掉”。故選D項(xiàng)。8.A.hitting B.feelingC.changing D.removing答案:A解析:根據(jù)空后的“...anditdidn’twork.”可推知,母親因?yàn)椴欢迷趺搓P(guān)掉屏幕保護(hù)程序,于是就按了每一個(gè)鍵。hit“按”;feel“感覺(jué)”;change“改變”;remove“移動(dòng)”。故選A項(xiàng)。9.A.hang B.shakeC.rub D.push答案:B解析:根據(jù)語(yǔ)境可推知,作者教母親稍微晃動(dòng)鼠標(biāo)即可。下文中的startshakingit也是提示。故選B項(xiàng)。10.A.putup B.cutoffC.pickup D.putaway答案:C解析:根據(jù)空后的startshakingitaroundinmid-air可推知,母親聽(tīng)了作者的話就把鼠標(biāo)拿起來(lái)在空中搖晃。putup“搭建”;cutoff“切斷”;pickup“拿起”;putaway“收起”。故選C項(xiàng)。11.A.screen B.curtai