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1、Unit 4 第3课时 一、单项选择1The Sanxingdui Ruins first surprised the world in 1986 _ they had slept for more than 3,000 years. And recently they have been found more.AuntilBifCwhileDafter【答案】D【详解】句意：三星堆遗址沉睡了3000多年后，于1986年首次震惊了世界。最近它们被发现了更多。考查连词辨析。until直到，和not连用表示“直到才”；if如果，表条件；while当的时候，表时间；after在之后，表时间。根据题干
2、“The Sanxingdui Ruins first surprised the world in 1986they had slept for more than 3,000 years”，可知是时间状语从句，可排除B项；until和while不合语境，故选D。2We need to take steps to reduce the use of plastic _ it is too late.AalthoughBbecauseCifDbefore【答案】D【详解】句意：我们需要采取措施减少塑料的使用，以免为时过晚。考查连词辨析。although尽管、虽然，引导让步状语从句；becaus
3、e因为，引导原因状语从句；if如果、是否，引导条件状语从句或宾语从句；before在之前，引导时间状语从句。根据“We need to take steps to reduce the use of plastic it is too late.”可知后半句为时间状语从句，即“在为时过晚之前，我们需要采取措施减少塑料的使用”，因此before符合题意，故选D。3 Mom, could I watch the game show now? Sorry, you cant watch it _ you finish cleaning your room.AwhenBafterCuntilDif【答
4、案】C【详解】句意：妈妈，我现在可以看游戏节目了吗？对不起，在你打扫完房间之前不能看。考查连词辨析。when当时候；after在之后；until直到为止；if如果。根据“you cant watch it . you finish cleaning your room”可知打扫完房间才能看游戏节目，not . until直到才，until引导时间状语从句。故选C。4 Joan always goes somewhere interesting _ the holiday begins. Thats because she enjoys travelling a lot.AsinceBthoug
5、hCbecauseDas soon as【答案】D【详解】句意： 假期一开始，琼就去有趣的地方。 那是因为她很喜欢旅行。考查连词辨析。since因为、自从；though尽管；because因为；as soon as一就。根据句意可知，一放假就会去有趣的地方。故选D。5In Chinese culture, the young wont start dinner _ the elders take their seats.AafterBwhenCuntilDalthough【答案】C【详解】句意：在中国文化中，在长辈就座之前，年轻人是不会开始用餐的。考查连词辨析。after在之后；when当时；
6、until直到；although尽管。根据“the young wont start dinner the elders take their seats”可知，此处用notuntil表示“直到才”，故选C。6I wont believe that the little boy can read five thousand words _ I test him myself.AafterBwhenCifDuntil【答案】D【详解】句意：直到我亲自测试这个小男孩，我才相信这个小男孩能读五千字。考查连词辨析。after在之后；when当时；if如果；until直到。根据“I wont belie
7、veI test him myself”可知，此处用notuntil表示“直到才”，故选D。7Love your parents while they are alive. Dont wait _ it is too late.AuntilBthoughCbecauseDunless【答案】A【详解】句意：爱你的父母，当他们还活着的时候。不要等到为时已晚。考查连词辨析。until直到；though尽管；because因为；unless除非。根据“Dont waitit is too late.”可知，此处是notuntil结构，意为“直到才”，故选A。8Why didnt you try yo
8、ur best to get on the underground? I tried to, but it started moving _ I could get on it.AbeforeBwhileCas soon asDafter【答案】A【详解】句意：你为什么不尽量乘地铁呢？我试了，但是在我上车前它就开动了。考查连词辨析。before在之前；while当时；as soon as一就；after在之后。根据“Why didnt you try your befit to get on the underground”可知，对方没有坐地铁来，所以是在上地铁之前，地铁就已经发动了，导致没能
9、上地铁，故选A。9Mum, Im dying for food. Can we have dinner now?Dear, lets wait _ your dad comes back.AwhenBwhileCuntilDafter【答案】C【详解】句意：妈妈，我非常想吃东西。我们现在可以吃晚饭了吗？亲爱的，我们等到你爸爸回来吧。考查连词辨析。when当时；while当时；until直到；after在之后。根据“lets waityour dad comes back”可知，直到爸爸回来再开饭，故选C。10People know little about Anne Frank _ The D
10、iary of a Young Girl was published.AuntilBsinceCafterDwhenever【答案】A【详解】句意：在一个小女孩的日记出版之前，人们对安妮弗兰克知之甚少。考查连词辨析。until直到为止；since自从；after在之后；whenever无论何时。此处表示直到一个小女孩的日记出版人们才知道安妮弗兰克，用until引导时间状语从句。故选A。11My cousin has learned more about teamwork _ he joined the school soccer team.AuntilBsinceCunlessDwhile【答
11、案】B【详解】句意：自从我表哥加入学校足球队后，他对团队合作有了更多的了解。考查连词词义辨析。until直到；since自从；unless除非；while当的时候。根据“My cousin has learned more about teamwork”可知，since常与现在完成时连用，此处表示自从他加入学校足球队。故选B。12Mum, can we go to Uncle Wangs farm this summer?Certainly. And _ we are there, we can also learn how to grow vegetables.AsinceBunlessCw
12、hileDbecause【答案】C【详解】句意：妈妈，今年夏天我们能去王叔叔的农场吗? 当然。在那里的时候，我们还可以学习如何种植蔬菜。考查连词。since自从；unless除非；while当时候，在期间；because因为。根据“Andwe are there, we can also learn how to grow vegetables”可知，此处表示在农场停留期间，故选C。13Have you finished reading The Wonderful Wizard of Oz?No. It will be two days _ I finish it completely.Aun
13、tilBsinceCbeforeDwhen【答案】C【详解】句意：你读完绿野仙踪了吗？没。还需要两天时间我才能完全读完它。考查连词辨析。until直到；since自从；before在之前；when当时。根据“It will be two daysI finish it completely.”可知，还要两天才能读完，before符合语境。故选C。14Father was watching TV in the living room _ mother was cooking in the kitchen.AwhileBafterCuntilDas soon as【答案】A【详解】句意：爸爸在客厅
14、看电视，妈妈在厨房做饭。考查连词辨析。while当时；after在之后；until直到；as soon as一就。根据“Father was watching TV in the living roommother was cooking in the kitchen.”可知，此处强调在过去的时间点正在同时发生的两个动作，用while引导时间状语从句，故选A。15Jack has made great progress _ he joined the English club.AwhenBsinceCwhileDbefore【答案】B【详解】句意：自从杰克加入英语俱乐部以来，他取得了很大的进步
15、。考查连词辨析。when当时；since自从；while当时；before在之前。从句用的是一般过去时，主句用的是现在完成时，用since引导时间状语从句，自从他加入英语俱乐部，英语取得很大进步，故选B。16You have to pass a test _ you can get a license.AbeforeBafterCwhileDuntil【答案】A【详解】句意：你必须通过考试才能获得执照。考查连词辨析。before在之前；after在之后；while当时；until直到。根据“You have to pass a test you can get a license”可知，先考试
16、，通过之后才能得到执照，故选A。17I cant get on well with my family. Why not talk with them? You should communicate _ things become worse.AuntilBunlessCafterDbefore【答案】D【详解】句意：我不能和我的家人友好相处。为什么不和他们好好谈谈呢？你应该在事情变得更糟糕之前和家人沟通。考查连词。until直到；unless除非；after之后；before在之前。根据“things become worse”可知表达“在事情变得更糟之前”，用连词 “before”引导时间
17、状语从句。故选D。18I love to listen to rock music _ I am running.AwhileBafterCsinceDuntil【答案】A【详解】句意：我喜欢在跑步的时候听摇滚乐。考查连词辨析。while当时；after在之后；since自从；until直到。根据“I love to listen to rock musicI am running.”可知，此处强调在做某事时，用while+延续动词，故选A。19My cousin became a country doctor _ he finished medical school.AafterBso th
18、atCbutDso【答案】A【详解】句意：我表弟读完医学院后成为一名乡村医生。考查时间状语从句。after在之后，引导时间状语从句；so that为了，引导目的状语从句；but但是，表转折；so因此，因果。结合句意可知，“became a country doctor”发生在“finished medical school”之后，所以用after引导时间状语从句，故选A。20It was not yet 9 oclock _ we got the Joy Valley last time.AsinceBuntilCwhenDbecause【答案】C【详解】句意：上次我们到达欢乐谷时还不到9点。
19、考查连词辨析。since自从；until直到为止；when当时候；because因为。根据“It was not yet 9 oclock”可知当到达欢乐谷时还不到9点，用when引导时间状语从句。故选C。21_ he heard the little girl crying for help outside, he rushed out of the room.AAs soon asBUnlessCIfDAlthough【答案】A【详解】句意：他一听到小女孩在外面喊救命，就冲出了房间。考查连词辨析。As soon as一就；Unless除非；If如果；Although虽然。根据“he hea
20、rd the little girl crying for help outside, he rushed out of the room.”可知，此处表示“一就”，用as soon as引导时间状语从句，故选A。22At the meeting, the managers kept arguing about the problem _ they reached an agreement.AafterBwhenCuntilDsince【答案】C【详解】句意：在会议上，经理们一直就这个问题争论不休，直到达成协议。考查连词辨析。after在之后；when当时；until直到；since自从。根据
21、“the managers kept arguing about the problem they reached an agreement”可知，直到达成协议为止，故选C。23We were lucky yesterday. The bus left _ we got on it.AbeforeBalthoughCuntilDas soon as【答案】D【详解】句意：我们昨天很幸运。我们一上车，公共汽车就开走了。考查连词。before在之前；although虽然；until直到；as soon as一就；由“We were lucky yesterday.”可知，幸运是因为一上车，车就开走
22、了，应用as soon as引导时间状语从句，故选D。24Time waits no man. But some people wont realize the importance of time _ its gone.AunlessBsinceCwhenDuntil【答案】D【详解】句意：时不待人。但是有些人直到时间流逝才意识到它的重要性。考查连词辨析。unless除非；since自从；when当时候；until直到为止。根据“But some people wont realize the importance of time . its gone.”可知是直到时间流逝才意识到时间重要，
23、用not . until .表示“直到才”，until引导时间状语从句。故选D。25All things are difficult _ they are easy.AafterBwhenCwhileDbefore【答案】D【详解】句意：凡事都是先难后易。考查连词辨析。after在之后；when当的时候，从句中的动词可以用延续性动词，也可以用终止性动词；while当的时候，从句中的动词常用延续性动词或表示状态的动词；before在之前。根据题干“All things are difficultthey are easy”，结合“万事开头难”，可知前面三项不合语境，故选D。26Andrew th
24、ought there was something wrong with his robot _ Samuel pointed out that he probably forgot to change the battery.AuntilBifCafterDsince【答案】A【详解】句意：安德鲁认为他的机器人出了问题，直到塞缪尔指出他可能忘了换电池。考查连词辨析。until直到，引导时间状语从句；if如果，引导条件状语从句；after在之后，引导时间状语从句；since自从，引导时间状语从句；根据语境可知此处指“直到塞缪尔指出，安德鲁意识到他可能忘了换电池”；故选A。27I had tak
25、en my notebook and written down my friends new address _ I forgot it.AuntilBbeforeCwhenDsince【答案】B【详解】句意：我拿起笔记本，在忘记之前写下了朋友的新地址。考查连词辨析。until直到为止；before在之前；when当时候；since自从。根据“written down my friends new address”可知要在忘记之前写下。故选B。28Its impolite to make noise while _ noodles in some country.AeatBeatingCto
26、eatDate【答案】B【详解】句意：在有些国家，吃面条时发出声音是不礼貌的。考查动词形式辨析。分析句子可知，本句是while引导的时间状语从句，从句用“while doing”的省略形式表示“在做的过程中”，故选B。29Did you stay at the party for a long time last night?Yes. I stayed there _ the party was over.AuntilBsinceCwhenDif【答案】A【详解】句意：昨晚你在聚会上呆了很长时间吗?是的。我一直呆在那里直到聚会结束。考查连词，until直到；since自从；when当时；if如
27、果。结合空前后“I stayed there”“the party was over”可知应该是一直呆在那里直到聚会结束，故选A。30You shouldnt forget where you came from _ you set out on your new journey.AorBunlessCsoDwhen【答案】D【详解】句意：当你开始新的旅程时，你不应该忘记你来自哪里。考查连词辨析。or否则；unless除非；so因此；when当时候。根据“You shouldnt forget where you came from”可知是开始新旅程时不应忘记来自哪里，用when引导时间状语从
28、句。故选D。 二、完成句子31妈妈回来之前，我们已经把家打扫干净了。_ _ _ Mom came back, we had cleaned the house.【答案】By the time/Before【详解】结合中英文提示可知，此处缺的是“在之前”，英语表达为before/by the time.，引导时间状语从句，主从句的动作常有先后顺序，空格位于句首首字母要大写，故填By the time/Before。32当你走到那儿，你能感觉到（一股）能量从你的双脚上升到你的身体里。_ you walk there, you can feel the energy from _ _ _ _ you
29、r body.【答案】As your feet move up 【详解】当时as，引导时间状语从句；你的双脚your feet；上升到move up。故填As；your feet move up。3326路公共汽车正行驶在中华路上,这时司机看到一位老人正躺在路边。Bus No. 26 was going along Zhonghua Road _ the driver saw an old man _ on the side of the road.【答案】when lying 【详解】sb/sth was doing sth when+一般过去时的句子，表示“某人或某物正在做某事，这时”，故
30、第一空用when。see sb doing sth看见某人正在做某事，故第二空用现在分词lying。故为when;lying。34一听到那则消息，他就哭了。_ _ _ he heard the news, he cried.【答案】As soon as 【详解】通过中英文对照可知本题考查固定词组“一就”的表达，英文是as soon as，因其位于句首，所以第一个字母大写，故填As；soon；as。35Ive had these soft toys _ _ _ _ _.我还是个孩子的时候就有这些毛绒玩具了。(since)【答案】since I was a child/since I was a kid【详解】我I；一个小孩a child/kid；所给词since意为“自从”，引导的时间状语从句中用一般过去时，主语“I”应与be动词was连用，故填since I was a child/kid。