Lesson 9 Be careful 同步练习1.doc

Lesson 9 Be careful同步练习一、选择问题的答案。 ( ) 1. The floor is wet. _ there. A. Dont walks B. Dont walk C. Walk D. Walks( ) 2. You must be _ when you use a sharp knife. A. excited B. beautiful C. careful D. dangerous( ) 3. _ is my hobby. A. Swim B. Swimming C. Swims D. Swam( ) 4. Dont drink dirty water. You may get _. A. hurt B. tired C. sick D. hungry( ) 5. Dont _ the tall tree. You may fall down. A. climb B. plant C. hurt D. cut( ) 6. Dont eat this _ apple, or youll get sick. A. good B. red C. bad D. more( ) 7. Let me _ you. A. helps B. help C. helping D. to help( ) 8. You should _ careful. A. is B. are C. were D. be二、翻译。不要吃冰激凌！_ 不要跌倒！_ 让我帮你吧！_ 做作业！_- 不要忘记！_三、连词成句。1. dont; machines; please; touch; the_2. these; glasses; wear; please;_3. write; the; in; books; dont_4. play; games; here; dont; ball_4、 请根据提示填空1.在工厂_ 4 爬_2.不要_ 5. 停止_ 3.危险_五、翻译下列句子1. 请不要碰机器！_2. Dont write here!_3. 不要在这里玩球类游戏！_4. This machine puts the crisps in their bags._答案：一、BCBC ACBD二、1. Dont eat ice cream.2. Dont fall down.3. Let me help you.4. Do your homework5. Dont forget.三、1、Dont touch the machines, please!2、Wear these glasses, please!3、Dont write in the books!4、Dont play ball games here!四、二、1.at the factory 2.do not 3.dangerous 4.climb 5.stop五、(1)Dont touch the machines, please!（或Please dont touch the