課時4SectionB(1a-1e)

Unit6Whenwasitinvented?1234678910基礎鞏固練提示：點擊進入習題5答案呈現1112131415saltycustomerscalledCAACDintheendmake;happyforalongtimewellenoughwasinventedpotatoeswasinvented答案呈現能力提升練161718BAA19C20D212223BAC24D25D一、用括號內所給詞的適當形式填空。1.Myfatherfirstcookedfishsoupforus,butitwastoo_________(salt)toeat.2.Mymotherboughttwokilosofeggsandthreekilosof_________(potato).3.Thesupermarketiscrowdedwithlotsof_________(customer)everyday.saltycustomerspotatoes4.(易錯題)Canyoutellmewhenthezipper____________(invent)?5.Doyouknowagirl_________(call)SallyMillerinourschool?calledwasinvented二、單項選擇。6.—Whydoesthiskindofjuicetasteso_____?—Oh,becauseitismadefromgrapes.A.crispyB.saltyC.sourD.freshC7.【2020·東營】ManystudentshatedtohaveclassesonDingTalk,_____theygaveitone-starreviews(評價).A.soB.orC.butD.while【點撥】句意“很多學生討厭在釘釘上上課，所以他們給出一個星的評價。”根據句意，可知A符合語境。A8.【2020·甘孜州】Iwaited_____theyfinishedtalking.A.untilB.ifC.because【點撥】until直到……為止；if如果；because因為。根據題意“我等待著________他們談完了”，結合選項可知此處是說一直等到他們談完，用until符合題意。故選A。A9.【2020·黔西南州】Itwas_____forustosolvethemathproblem.Fewofuscouldevenunderstandit.A.easyenoughB.enougheasyC.difficultenoughD.enoughdifficultC10.—Yourumbrellaissomuchlikeminethatitwastakenawaybyme_____.—Itdoesn’tmatter.It’sOKtobringitback.A.byaccident B.inpersonC.intheend D.bymistakeD三、根據漢語意思完成句子，每空一詞。11.你知道三明治是怎么發明的嗎？Doyouknowhowthesandwich_________________?wasinvented12.最終一切都會好。Everythingwillbeallright_____________________.intheend13.我會盡力讓大家高興。Iwilltrymybestto_______everyone_______.makehappy14.他們一家人離開家鄉很長時間了。Theirfamilyhavebeenawayfromtheirhometown____________________________.foralongtime15.盡管我們共處了三個月，但我還不夠了解他。Althoughwehavebeentogetherforthreemonths,Idon’tknowhim________________.wellenough四、完形填空。【2020·安徽】Inrecentyears,withmoreandmorecarsontheroad,flyingrobotsareusedtodeliver(遞送)mails.Flyingrobotscan16____mailstopeople’shouseswithouthavingtodealwithheavy17____.16.A.inviteB.carryC.blowD.kick17.A.trafficB.rainC.fireD.pollutionBAButtheywillspendtoomuchtimeinreturning.Aresearchcenteristryingtoimproveitsflyingrobotswiththe18____ofhomingpigeons(信鴿).18.A.helpB.luckC.treatD.interestAHomingpigeonsarepigeonsthatare19____trainedtoflyhomefromsomewhereelse.19.A.poorlyB.carelesslyC.speciallyD.musicallyCIntests,researchers20____.thathomingpigeonswere21____efficient(高效的)thanflyingrobotsatreturningtotheirhome.20.A.promisedB.jokedC.plannedD.found21.A.lessB.moreC.littleD.muchDBSotheresearchcenteristryingtouseaflyingrobot,togetherwitha22____,todelivermails.Aftertherobotfinishesitstasks,itcan23____.thepigeonbackintheshortestpossibletime.22.A.homingpigeonB.bighouseC.leadingpersonD.heavycar23.A.trainB.knockC.followD.stealACAlthoughitwillcostmoremoneyto24____pigeons,theresearchcentersaysthatitcan25____time.Andthetimeitsaveswillmakeupforthec