Unit6 When was it invented单元同步（含答案）人教版英语九年级全册

Unit6Whenwasitinvented?单元同步演练Ⅰ.用恰当的介词或副词填空。

1.Lookatthoseshoes______highheels.

2.Don’tleavethelights______.Itwastesenergy.

3.Zippersarewidelyused______ourdailylives.

4.Hisbooksaretranslated______differentlanguages.

5.Herclothesare______ofstyle,soshewantstobuysomenewones.Ⅱ.用所给单词的适当形式填空。

1.Doyouwanttoknowwhenthecar______(invent)?

2.Differentkindsoffood______(provide)forhomelesschildreninthechurchyesterday.

3.Tomatoes______(discover)inSouthAmericamanyyearsago.

4.The24thWinterOlympicGames______(hold)inFebruary2022,inBeijing.

5.Halftheclass______(invite)toHelen’sbirthdaypartylastSunday.Ⅲ.将下列句子变成被动语态。

1.InEnglishpeoplealsocallsupperdinner.________________________________________________________________________

2.Mymothercookedthefishforalongtime.________________________________________________________________________

3.Wehaven’tusedthemachineforages.________________________________________________________________________

4.Wenoticedherdrinkingteainthecafe.________________________________________________________________________

5.Theyaretestingthenewmachine.________________________________________________________________________Ⅳ.根据对话内容，在空白处填入适当的单词或写出括号内单词的适当形式。

A:Hi,Sam!___1___areyoudoing?

B:I’mreadinganarticle___2___ChatGPT.

A:What’sthat?

B:It’sasmartAIchatbot(聊天机器人).

A:___3___inventedit?

B:It___4___(invent)bysomeoneinaUScompany.

A:Sounds___5___(interest).Whatcanitdo?

B:Itcandoalotofthings,like___6___(answer)questions,writinge-mailsandchattingwithyou.

A:CanIuseitformyhomework?

B:No,youcan’t.Butyou’dbetteruseitasa___7___(learn)tool,nottocheatonyourhomework.

A:Why?

B:Becauseifwedoso,wewon’tneed___8___(use)ourbrains.Thenwe___9___(lose)theabilitytothinkandlearn.

A:Ithinkyouareright.Themoreweuseit,the___10___(lazy)ourbrainwillbe.

1._____________2._____________3._____________4._____________5._____________6._____________7._____________8._____________9._____________10._____________Ⅴ完形填空。阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。Thereweremanyexcitinginventionsinthe20thcentury,andtheychangedthelivesofpeoplearoundtheworld.Herearethreeofthemthatarestill_____usedtoday.Thetelevision,inventedbyJohnLogieBaird,hashadagreat_____onpeople’slives.Atfirst,thepicturesonthescreenweren’tclear,butpeoplecould_____thattheywerehumanfaces.Theycouldseetheireyesopeningandclosing.It’ssaidthatthefirsttelevisionwassold_____£25.Peoplestayingattheirhomescouldwatch_____picturesthatwerebroadcast(播放)inanothercountry.Theinventionhasmadepeople’slivesmoreenjoyablesincethen.Anothergreatinventionwasthefridge.Peopleuseddifferentwaystokeepfoodcooland_____beforefridgesappeared.FridgesfirstbecameverypopularintheUS.Salesofapopularbrand_____from5,000to750,000quicklyinfiveyears.However,Britishpeoplewere_____interestedinfridgesthanAmericans.Theythoughtfridgesweren’t_____becauseitwascoolerinBritain.Butwiththe_____ofmoreads,morepeoplegottoknowtheconvenienceofhavingafridge.Soon,morefridgesweresold.Thepolygraph(测谎机)isalsoaninterestinginvention.Itwas_____byJohnAugustusLarsonbasedonsomeexperts’(专家)ideas.Themachinewasusedtomeasure(测量)people’sbreathingandbloodpressure_____theywereaskedquestions.Experts_____thatsuddenchangesinthesemeasurementsshowedthatsomeonewaslying.Buttheinventioncouldn’talways_____ifpeoplewerelying.Howeveritisstillusedbysomepolicemennowbecausemanypeoplebelieveitworks.Theywillprobablytellthe_____forfearofthemachine.()1.A.widelyB.quicklyC.deeplyD.easily

()2.A.discussionB.opinionC.influenceD.study

()3.A.reachB.missC.worryD.tell

()4.A.withB.forC.fromD.in

()5.A.liftingB.fixingC.movingD.sitting

()6.A.softB.freshC.sweetD.wet

()7.A.controlledB.increasedC.collectedD.discovered

()8.A.lessB.moreC.fewerD.higher

()9.A.similarB.strangeC.correctD.necessary

()10.A.dreamB.trustC.helpD.break

()11.A.inventedB.ta