人教版九年级全册Unit 6 When was it invented？同步练习（Section B）

人教新版九年级全册《Unit6Whenwasitinvented？》2024年同步练习卷（SectionB）一、阅读理解1．Whatwasdiscoveredbyaccident？Theanswerispenicillin（青霉素）．Itkillsgerms．Bykillinggerms，itsaveslives．Supposeyouaresick．Yougotoadoctor．Sheexaminesyou．Shesaysyouhavea"staph'"infection（葡萄球菌感染），thiswouldnothappen．Staphwasalmostsuredeath．Everyonewantedmedicine．Theyworkedinthelabdayandnight，andtheygrewthestaphinsmallplatesandtriedtokillit，butnothingworked．Thelaboratorydisheshadcoversonthem．Theykeptthingsfromfallingintodishes．Molds（霉菌）wereabigworry．Theyarealwaysintheair．Youcan'tseethem．They'retoosmall．Therearethousandsofdifferentmolds．Moldscanmakeanexperiment（实验）fail．That'swhydishesarecovered．Dr．AlexanderFlemingwasworkingtokillthestaphgerm．Heworkedforyears．Onedayhetookacoveroffadish．Helookedinside．Therewasathickgrowthofstaphgerm．Therewasalsosomemold．Thenhesawsomethingstrange．Wherethemoldwas，therewasnogrowthofstaph．ThisiswhatFlemingprobablythought．"Byaccident，Ifoundamoldthatkillthedreadedstaph．"Thisishowpenicillinwasfound．Buthere'stherealmiracle（奇迹）．Therearethousandsofkindsofmolds．Butonlyonekindcankillstaph．Themoldmusthavefallenintothedishafewdaysago.Thelidwasprobablyonlyopenforafewseconds，andrightthen根据短文内容，选择最佳答案．（1）Duringtheexperimentstofindamedicineforstaphinfections，．A．thedisheswerenotcoveredB．staphandmoldwereputtogetherC．moldwaskeptinsmalldishesD．staphwasgrowninsmalldishes（2）Theword"dreaded"means""．A．famousB．scaryC．healthyD．endangered（3）Thelastparagraphsuggeststhat．A．accidentshappentoeveryoneB．thecarefulpersondoesnothaveaccidentsC．thecarelesspersonwillmissvaluablechancesD．luckisenoughwhendoingscientificexperiments（4）Mostofthispassageiswrittenby．A．tellinganunusualstoryB．showingtheresultsofexperimentsC．offeringsomereasonsD．givingsomeadvice（5）Thispassageismainlyabout．A．medicineforastaphinfectionB．usefulaccidentsC．Dr．Fleming'sresearchD．discoveringpenicillin二、任务型阅读2．Haveyouheardof5G？Itisthefifthgeneration（代）ofmobilenetworktechnology.Thesenewnetworksarejustaroundthecorner.Eachmobilenetworkgenerationisfasterandmorepowerfulthantheonebeforeit.1Gletustalktopeopleonthephone.2Gletussendmessages.3GgaveusinformationandtheInternet.And4Gmadeallofthesethingsfaster.What'sspecialabout5G？With5G，weonlyneedalittletimetosendandreceiveinformation.ThisbigchangewillnotonlymakeourmobileInternetfaster，butalsochangeourlivesinmanyways.5Gentertainment5Gnetworksareabout100timesfasterthan4G.Thismeanswedownload（下载）amovieinsecondsbyusing5G.Also，VRgameswillbecomemorepopularwith5G.Itwillmakethegamesevenmorereal.5Gtransportation5Gwillalsobringussaferself﹣drivingcars.Thesecarscansendsignstoeachother.Theyalso"talk"totrafficlightsandroadsensors（传感器）.5Gwillallowcarstoreactevenfasterthanhumandrivers.5Gsmarthomes5GalsomakesInternetofthings（简称：IoT物联网）possible.IoTisalargenetworkthatconnectseverythingtotheInternet.Smarthomesarepartofit.Forexample，yourbreadmakercouldstartmakingbreakfastbyitselfafteryouralarmrings.（1）Howmanymobilenetworkgenerationsarementionedinthepassage？（2）Whatdid3Ggiveus？（3）Whatwill5GinfluencetheVRgames？（4）Whocanthecarssendsingstowiththehelpof5G？（5）Howcouldyourbreadmakermakebreakfastwith5G？三、选词填空3．crispynearherobasketdivide（1）Thepotatochipshavebeeninthepaperbagforhalfanhour.Theyarenotanymore.（2）Theyareallinmyheartbecausetheyareverybrave.（3）Pleasethismachineintothreeparts.（4）Ineedatoputsomevegetablesinit.（5）Itiseighto'clock.Hurryup.Oryouwillbelate.四、用所给单词正确形式填空4．Therearealtogetherabout600peopleinthesmallvillage，（include）theoldpeopleandchildren．5．It'smygreat（pleasant）tohaveatalkwithyou．6．Canyounameanyancient（ruler）？7．Alice'smotherfoundherdaughterhada（music）talent．8．Theoldcar（produce）inGermanyinthe1960s．9．Artistspaintnotformoney，butfortheirown（please）．五、单词拼写10．Ineveroncethoughtaboutbeinga（先驱）．11．Thesegrapesaretoos．Pleasegivemesomesweetgrapes．12．Thesongremindedmeofsome（英雄）whodiedfortheircountry.13．Idon'tliketheorangebecauseit'stoo（酸的）．14．What'sthemostimportantthinginyour（日常的）life？15．Mymotherputtheicecreaminthefaftershegothomefromshopping.16．It'ssaidthatnallthegirlsareafraidofsnakes.六、翻译题17．昨天她错拿了我的包。Yesterdayshetookmybag.18．你能在黑暗中看见我们吗？Canyouseeus？19．顾客；客户n．20．我不需要给这部手机充电，因为它使用太阳能。

人教新版九年级全册《Unit6Whenwasitinvented？》2024年同步练习卷（SectionB）参考答案与试题解析一、阅读理解1．【解答】（1）D，细节理解题grewstaphsmall，故选D．（2）B，词意猜测题sayshavestaph'"，因为是致病菌，故选B．（3）B，细节理解题Flemingveryand．Hewhatmold，故选B．（4）A，主旨归纳题wasby？Theis，下文也主要讲述的是发现青霉素的过程的故事．（5）D，主旨归纳题wasby？Theis，下文也主要讲述的是发现青霉素的过程．二、任务型阅读2．【解答】细节理解题。（1）5mobilenetworkgenerations.根据1GlettalkpeopletheGletsendGgaveinformationthe5Gmadeofthingsspecial5G？1G让我们在电话上和别人交谈。7。3G给了我们信息和互联网。4。那8？可知。故填5mobilenetworkgenerations.（2）InformationandInternet.根据3GgaveinformationtheG给了我们信息和互联网，7G给了我们信息和互联网（3）VRgameswillbecomemorepopularandmorereal.根据VRgamesbecomepopular5G.ItmakegamesmoreG的普及，它将使游戏更加真实，5G会使VR游戏变得更加流行和真实（4）Thesecarscansendsignstoeachother.根据7Gwillbringsafercars.ThesecansignseachG还将为我们带来更安全的自动驾驶汽车。可知G的帮助下。故填Thesecarscansendsignstoeachother.（5）Byitselfafteryouralarmrings.根据yourbreadcouldmakingbyafteralarm。可知。故填Byitselfafteryouralarmrings.三、选词填空3．【解答】（1）crispy.根据句意薯片在纸袋里已经放了半个小时了。它们不再脆了，故填crispy。（2）heroes.根据句意他们在我心中都是英雄，因为他们非常勇敢，故填heroes。（3）divide.根据句意请把这台机器分成三部分。句子是祈使句。因此此处应用动词原形divide。故填divide。（4）basket.根据句意我需要一个篮子来放一些蔬菜。结合句中的冠词a。故填basket。（5）nearly.根据句意快八点了，快点。可知这里表示。因此此处应用副词nearly。故填nearly。四、用所给单词正确形式填空4．【解答】include包括，动词，介词．故填：including5．【解答】答案：pleasure．考查名词．形容词修饰名词，形容词．不可数名词．6．【解答】ruler是可数名词，根据句中的any可知用复数形式。故答案是rulers。7．【解答】结合意思：爱丽丝的母亲发现她女儿有音乐天赋．形容词修饰名词．故答案是：musical．8．【解答】答案：wasproducedproduce是动词，表示生产．theoldcar表示老式汽车，所以要用被动语态．此处由inthe1960s可知时态是一般过去时，所以be动词用was．9．【解答】答案：pleasure．根据Theartistpaintmoneyfor