1、Unit4 Grammar 预习检测单项选择1. _ this rock music, please. Im afraid some people cant stand the noise!A. Stopping B. Stop C. Stops D. Stopped2. Tom, _ afraid of speaking in front of people. You are the best one. A. dont B. not C. not be D. dont be3. A country has dreams. We teenagers _ also have dreams. Wi
2、th dreams and hard work, anything amazing can be created.A, may B. must C. should4. You _ drive your car so fast Its very dangerous. A. wouldnt B. shouldnt C. couldnt D. mightnt5 Youd better _ here _ the heavy rain.A. not to leave, because B. not leave, because C. not leave, because of6. Its rather
3、hot in the room. Youd better _ the windows or the door.A. close B. not to close C. dont close D. not close 7. We can see the sign in the public places. What does it mean?It means _.A. NO PHOTOS B. NO FISHING C. NO PARKING D. NO SMOKING参考答案及解析1. B 考查祈使句的用法。祈使句中一般用动词原形，故选 B。2. D 考查祈使句的用法和固定词组 be afrai
4、d of。否定祈使句的结构为：dont+动词原形。故选 D。3. C 本题考查情态动词的用法。may 可以；must 必须；should 应该。根据句意“一个国家有梦想。我们青少年也应该有梦想。有梦想和努力工作，任何奇迹都 能创造。 ”可知故选 C。4. B 本题考查情态动词的用法。wouldnt 意为“将不，不会” ；shouldnt 意为“不应该” ；couldnt 意为 “不能” ；mightnt 意为“ 可能不” 。根据句意“你不应该开车这么快。非常危险。 ”可知，故选 B。5. C 本题考查 had better 和词义辨析。had better do sth.意为“最好做某事” ，其否定式为 had better not do sth.。because 后接从句，而 because of 后接名词、代词或名词短语等。根据句意“由于大雨，你最好别离开这里。 ”可知，故选 C。6. D had better 意为“最好” ，其后接动词原形，否定式为 had better not do sth.，意为 “最好不要做某事” 。根据句意可知，故选 D。7. D 本题考查常识。根据图片可知，应该是“禁止吸烟” ，用 NO SMOKING，故选 D。
