1、Unit4第四单元巩固练习Unit4第四单元巩固练习学校:_姓名:_班级:_考号:_一、单选题1_ with fire. Its very dangerous.APlaying BPlay CDont play DDoesnt play2(题文)Dont _ the radio. The baby is sleeping.Aturn off Bturn on Cturn over Dturn down3_ hard and youll make progress in English.AWork BTo work CWorking DWorked4_worried about me,Mom.I
2、ve grown up.ADont BDont be CNot DNot be5(题文)_ late again, Bill!ADont to be BDont be CNot be DBe not6_ cross the road until(直到)the traffic lights turn green.ANot BWont CDoesnt DDont7Please help me carry it, _?Awill I Bwill you Cshall I Dshall we8Dont make so much noise, _?Awill you Bwont you Cshall w
3、e Ddo you9Kate, _ your homework here tomorrow.Abring Bbrings Cto bring Dbringing10_ me the truth, or Ill be angry.ATelling BTo tell CTold DTell11_ on the grass, or it will “cry”ATo walk BNot to walkCWalk DDont walk12_ swim in the river alone, Karen. Its too dangerous. ANot BDont CDoesnt13(题文)_ along
4、 this street, and you can find the hotel on your right, next to the market. AWalk BTo walk CWalks DWalking14Daniel,_ play with the mobile phone while youre walking in the street.Adont Bdoesnt Cwont Dcant二、句型转换将以下祈使句改为否定式。15Come here early._16Ask him. _17Please wait for her._18Read the book carefully
5、. _19Sit under the tree, please. _20Lets go there together. _ 句型转换。21Will you please read it again more slowly? (改为祈使句)_ _ again more slowly, please.22Lets watch the sports games. (改为反意疑问句)Lets watch the sports games, _ _?23Please sit next to Nancy.(改为否定句)_ _ next to Nancy.24Dont forget to turn off(
6、关掉)the lights, please.(改为反意疑问句)Dont forget to turn off the lights, _ _?25Come to my house tomorrow.(改为反意疑问句)Come to my house tomorrow, _ _?三、用所给单词的正确形式填空 用括号内所给动词的适当形式填空。26Its an important meeting. _ (not, be)late.27_ (not, make) any noise! Your mother is sleeping.28_ (not, speak) with your mouth fu
7、ll of food and _ (be) polite.29_ ( not, talk) and _ (read) aloud.30_ (not, leave) your homework for tomorrow, Larry.31_ (look) out! A car is coming.32_ (give) us ten years and just see what our country will be like.33_ (not, let) the baby cry.34Wear more clothes or you _ (catch) a cold.35Lets _ (not
8、, say) anything about it.参考答案1C【解析】句意:不要玩火。这很危险。从句子的后面意思可以判断前面应该用否定句,本句子是祈使句,祈使句的否定句是在句子前面加助动词dont,在句子开头要大写。故选C。【点睛】否定祈使句的构成:主要分为三种情况:一、一般情况一般说来,祈使句的否定是在祈使句首加Dont。如:(1) Come here. Dont come here. 不要来这儿。(2) Be angry. Dont be angry. 不要生气。二、let型当祈使句表示邀请或建议(Lets) 时,则在Lets与 do之间加not。如:(1) Lets talk about
9、 it. Lets not talk about it. 我们别谈论它吧。(2) Lets go swimming there. Lets not go swimming there. 我们别去那里游泳吧。三、无动词型无动词祈使句的否定:在无动词祈使句的句首加not。如:(1) Here? Not here. 不是这里。(2) Green?Not green. 不是绿色的。(3) This one? Not this one. 不是这个。2B【解析】句意:不要打开收音机。婴儿在睡觉。A. turn off“关上”; B. turn on“打开”;C. turn over “移交”;D. tur
10、n down“关小”。本句子是考查祈使;句的否定句的用法。从后面句子的意思“孩子在睡觉”可以理解前面的句子是用祈使句的否定句表示“不要打开收音机”的意思。故选B。3A【解析】句意:努力学习,你的英语会进步的。本句为祈使句的肯定句。祈使句的肯定句以动词原形开头,故选A。4B【详解】句意:妈妈,不用担心我,我已经长大了。考查祈使句否定式。本题的含义是不要担心我,是一个祈使句的否定形式,否定形式的结构为dont +动词原形,本题表示情况的形容词,故动词为be,故选B。5B【解析】句意:“不要再晚了,Bill。”,因此可知本句是be动词做谓语的祈使句的否定式。以Dont 开头,后面用be的原形。6D【
11、解析】句意:不要穿过马路,直到交通灯变绿。本句是行为动词的祈使句的否定式,在句首加Dont.7B【解析】句意:请帮我搬一下,好吗?肯定祈使句的反意疑问句,用will you 或者wont you。故选B。【点睛】祈使句的反意疑问句1. 基本原则若陈述部分为祈使句,反意疑问句通常用will you, wont you, would you等:Mail the letter today, will you? 今天就把信发掉,好吗? Try to be back by two, wont you? 设法两点之前回来,好吗? If you want help, let me know, would y
12、ou? 如果你需要帮助,告诉我,好吗? 【注】若陈述部分为否定式,则反意疑问句部分只用will you:Dont forget to post the letter, will you? 请别忘了寄信。有时根据语境的需要,反意疑问句也可以用can you, cant you 等:Give me some cigarettes, can you? 给我些香烟,可以吗? 一般说来,用will you, wont you, would you 等构成的反意疑问句语气较委婉。比较:Be quiet, will you? 请安静,好吗? Be quiet, cant you? 你不能安静点吗? 2. 当
13、祈使句为Lets时反意疑问句总是用shall we:Lets phone her now, shall we? 我们现在就给她打电话,好吗? Lets go to the cinema tonight, shall we? 今晚咱们去看电影,好吗?8A【解析】句意:不要那么吵闹,好吗?否定祈使句的反义疑问句用will you。故选A。9A【解析】句意:凯特,明天把你的作业带来。祈使句以动词原形开头。10D【解析】句意:告诉我真相,否则我会生气的。祈使句以动词原形开头。故选D。11D【详解】句意:不要践踏草坪,否则它将哭泣。考查祈使句。祈使句以动词原形开头,否定形式就是在动词原形前面加dont。
14、根据“or it will cry”可知是提醒“不要践踏草坪”,用否定形式。故选D。12B【解析】句意:不要独自在河里游泳,凯伦。太危险了。本句命令不要在河里独自游泳,有危险。否定祈使句。13A【解析】句意:沿着这条街走,你会发现酒店就在你的右边,在市场的旁边。肯定祈使句,动词原形开头。Walk along the street意为“沿着这条街”。故选A。14A【解析】句意:丹尼尔,你在街上走路的时候不要玩手机。否定祈使句,命令别人不要做某事。动词原形前加dont。故选A。15 Dont come here early. 16 Dont ask him. 17 Dont wait for he
15、r, please. 18 Dont read the book carefully. 19 Dont sit under the tree, please. 20 Lets not go there together. 【解析】【分析】略15句意:早点来。否定祈使句的构成是在句首加Dont。所以答案为:Dont come here early. 16句意:问他。否定祈使句的构成是在句首加Dont。所以答案为:Dont ask him. 17句意:请等她。否定祈使句的构成是在句首加Dont。所以答案为:Dont wait for her, please. 18句意:仔细阅读这本书。否定祈使句的
16、构成是在句首加Dont。所以答案为:Dont read the book carefully19句意:请坐在树下。否定祈使句的构成是在句首加Dont。所以答案为:Dont sit under the tree, please. 20句意:我们一起去那儿吧。当祈使句表示邀请或建议(Lets) 时,则在Lets与 do之间加not。所以答案为Lets not go there together. 21 Read it 22 shall we 23 Dont sit 24 will you 25 will / wont you 【解析】【分析】略21句意:请你再读慢一点好吗?由句子的结构可以看出是陈
17、述句的祈使句。因此用Read it again more slowly, please. 所以答案为: (1). Read (2). it 22句意:让我们看体育比赛。含有Lets 的句子的反意疑问句用shall we。所以答案为:(1). shall (2). we23句意:请坐在南茜旁边。由结构来看,是否定祈使句。所以答案为:(1). Dont (2). sit 24句意:请不要忘记关灯。否定句的反意疑问句用will you构成。所以答案为: (1). will (2). you 25句意:明天来我家。肯定句的反意疑问句用wont you。所以答案为:(1). wont (2). you2
18、6 Dont be 27 Dont make 28 Dont speak be 29 Dont talk read 30 Dont leave 31 Look out 32 Give 33 Dont let 34 will catch 35 not say 【解析】【分析】略26句意:这是一次重要的会议。别迟到了!否定祈使句用Dont +动词原形构成。因此答案为:Dont be 27句意:不要制造噪音!你妈妈在睡觉。否定祈使句用Dont +动词原形构成。因此答案为:Dont make 28句意:吃饭不要说话,要有礼貌。否定祈使句用Dont +动词原形构成。and连接两个动词在形式上是一致的。因
19、此答案为: (1). Dont speak (2). be 29句意:不要说话,大声朗读。否定祈使句用Dont +动词原形构成。and连接两个动词在形式上是一致的。因此答案为:(1). Dont talk (2). read 30句意:拉里,不要把作业留到明天去做。否定祈使句用Dont +动词原形构成。因此答案为:Dont leave 31句意:小心! 汽车来了。肯定祈使句由动词原形构成。因此答案为:Look out 32句意:给我们十年时间看看我们的国家会是什么样子。肯定祈使句由动词原形构成。因此答案为:Give33句意:不要让婴儿哭。否定祈使句用:Dont +动词原形构成。因此答案为:Dont let 34句意:多穿点衣服,否则你会感冒的。本题用将来时态,将来时态的结构为:will+动词原形。因此答案为:will catch 35句意:我们什么也不要说。Let为使役动词后接动词原形。因此答案为:not say