Unit 1 When was it invented ——九年级全一册鲁教版分层培优练
一、单项选择
1.There is no ________ in trying to persuade him to join us, for he enjoys being alone.
A.doubt B.wonder C.difficulty D.point
2.The telephone ________ by Alexander Graham Bell in 1876.
A.invent B.invented C.is invented D.was invented
3.The traditional Chinese lunar calendar ________ a year ________ 24 solar terms (节气).
A.divides; into B.mixes; with C.translates; into D.covers; with
4.Whether to go abroad for further study __________ a problem for her. She hasn’t made up her mind yet.
A.remains B.reminds C.requires D.replies
5.—When will the sports meeting exactly ________
—At 8:00 a. m. on Thursday.
A.go off B.take place C.work out D.die down
6.20th CPC National Congress (中共二十大) ________ from October 16 to 22 in Beijing.
A.hold B.is held C.was held D.was hold
7.—Tom! I looked for you everywhere at the party last night.
—Oh! I ________ to the party.
A.am invited B.was invited C.wasn’t invited D.invited
8.Success in life doesn’t happen ________. It requires hard work and perseverance (毅力).
A.by accident B.by mistake C.by the way D.by hand
9.Paper is a useful invention. It _________ by Cai Lun 2,000 years ago.
A.was invented B.invented C.was inventing D.invents
10.—I hear the 19th Asian Games ________. Is it true
—No, it’s just a rumor (谣言). It will be held on a new date in 2023.
A.cancelled B.was cancelled C.will cancel D.has cancelled
二、翻译句子
11.这位开拓者最终成功取得领先地位了吗？
Did _______________________ in the end
12.灯突然被关掉了。
The light _______________ suddenly.
13.在辽宁，他是一名好的篮球运动员，我们都仰慕他。
He is a good basketball player in Liaoning. We all _____________.
14.Tom不小心摔断了胳膊，所以他没来上学。
Tom broke his arm ___________, so he was absent from school.
15.昨天那个小偷被警察关进了监狱。
The thief ______ ______ ______ ______ by the policeman yesterday.
答案以及解析
一、
1.答案：D
解析：there is no point in doing sth.做某事没有意义;there is no doubt that,毫无疑问;there is no wonder that,不足为奇的;there is no difficulty in doing sth.,做某事没有困难。句意为:试着去说服他加入我们是毫无意义的,因为他喜欢一个人呆着,故选D。
2.答案：D
解析：句意电话是在1876年由亚历山大·格雷厄姆·贝尔发明的。主语telephone和动词invent存在被动关系,时间状语in 1876提示用一般过去时,故用一般过去时的被动语态。
3.答案：A
解析：divide...into"把……分成……"; mix...with"把……混合起来"; translate...into"把……翻译成";cover...with"把……覆盖"。根据题干可知句意为“中国传统的阴历将一年分为24个节气”。故选:A。
4.答案：A
解析：A保持;B提醒;C要求;D回复;由题干下文"She hasn't made decision yet"(她还没有做决定)可知,依然是个问题,A项符合题意。故选:A。
5.答案：B
解析：go off铃响;take place举行,发生;work out完成,计算出;die down慢慢消失,都是动词短语根据后句句意"在星期四上午8点"可知,前句为"运动会到底什么时候举行",要填"举行",其它选项语意不通。故选:B。
6.答案：C
解析：hold举行,过去分词是held。选项A是动词原形;选项B是一般现在时被动语态;选项C是一般过去时被动语态;选项D是错误形式。根据观察可知题干的时态是一般过去时,语态是被动语态,本题答案是C。故选:C。
7.答案：C
解析：根据上文的时间状语为last night,故答语的时态也是一般过去时态,又知主语I是谓语动词visit的承受者,二者形成被动关系,故确定为被动语态,故答语的谓语动词为一般过去时态的被动语态,其结构为was/were +过去分词,结合上文的意思"昨晚我在晚会上到处找你。"在下文的答语中可推知我没有被邀请参加晚会。故该句为否定句,根据主语为I,故be动词为was,否定句在was后加not,缩写为wasn't,故填入wasn't invited。故选:C。
8.答案：A
解析：A.by accident偶然;B.by mistake错误地;C.by the way顺便;D.by hand用手。根据It requires hard work and perseverance.(这需要努力的工作和毅力。)可知成功不是偶然发生的。故选:A。
9.答案：A
解析：invent发明,动词,过去分词是invented。it指代paper,是主语,是动作的承受者,所以用被动语态,其构成为: be+过去分词,由2000 years ago(2000年前)可知用一般过去时,主语it是第三人称单数,所以be用was,故选A。
10.答案：B
解析：根据语境可知,第19届亚运会取消的这个动作发生在过去,因此时态用一般过去时,主语the 19 Asian Games和动词cancel之间是被动关系,因此要用被动语态;一般过去时的被动语态结构为:was/were+动词的过去分词。故选:B。
二、
11.答案：this pioneer succeed in taking the lead/this pioneer take the lead successfully
12.答案：was turned off
13.答案：look up to him
14.答案：by accident
15.答案：was sent to prison

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