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教科版·英语七年级下册《Unit 3 Hidden dangers》练习题

共 27 道沉淀题 · AI 对照课标原创 · 三重审校答案可核对

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本单元考点（4 个）

祈使句表示警示与建议must/mustn't表必须与禁止安全与危险相关词汇情态动词should提建议

本单元练习题（27 题）

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1. 地面很滑，下面哪句话是合适的警示？ A. Be careful! B. You are careful. C. Are you careful? D. Being careful.

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2. 以下是校园安全宣传栏中的警示语，请根据句意和首字母提示，用祈使句的正确形式填空。1. D____ touch the wet paint! It may stick to your hands. 2. Be careful with the hot water, and don't p____ your hands into the pot. 3. When you hear the fire alarm, leave the building quickly and d____ use the lift (电梯)!

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3. You see a broken wire on the floor. You ___ touch it.

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4. Your friend Tom often plays mobile phone games until midnight and feels tired in class. Which sentence gives him advice with 'should'? A. He should play more games at night. B. You should go to bed early and stop playing games late. C. You shouldn't go to bed early. D. He should feel tired in class.

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5. 校园安全周活动中，同学们讨论如何提醒大家防范危险。下列句子中，属于用祈使句表示警示的一项是（　） A. You should not swim in the river alone. B. Don't touch the broken wire! It's very dangerous. C. We must keep away from the deep water. D. It is dangerous to play with fire at home.

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6. 把建议改写成祈使句，使用 Don't 和动词 play：It is a good idea not to play near the road. ___ near the road.

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7. 根据句意及首字母或中文提示补全单词：1. Be careful! The wet floor is d________ (危险的). 2. Please keep s________ (安全的) when you cross the busy road. 3. Don't touch the broken wire; it may cause an a________ (事故). 4. Smoke can be h________ (有害的) to your health. 5. In an e________ (紧急情况), call 120 at once.

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8. 在学校实验室里，老师提醒同学们注意安全。请用祈使句的正确形式完成警示语：______(not touch) the chemicals with your hands! They may hurt you.

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9. 在学校实验室，学生必须戴护目镜，禁止品尝实验材料。哪张提示卡表达正确？ A. You must wear safety glasses. You mustn't taste the materials. B. You mustn't wear safety glasses. You must taste the materials. C. You must wear safety glasses. You must taste the materials. D. You mustn't wear safety glasses. You mustn't taste the materials.

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10. 在游泳池边有一块安全提示牌，请根据句意和首字母提示，用祈使句的正确形式补全警示语：D______ run near the pool! You may fall into the water.

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11. At the swimming pool, a sign says, “Stay away from the deep end.” What is this message? A. a warning B. safety C. dangerous D. safe

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12. Tom 在地铁站看到一张双语安全提示卡，内容为："Passengers must stand behind the yellow line. You mustn't run on the escalator." 下列哪项对提示卡的理解完全正确？ A. 乘客可以站在黄线内，但不能在扶梯上快跑 B. 乘客必须站在黄线后，且禁止在扶梯上奔跑 C. 乘客不必站在黄线后，但禁止在扶梯上奔跑 D. 乘客必须站在黄线后，也可以在扶梯上奔跑

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13. A loose shelf is above the classroom door. It may fall when the door is opened. Complete the advice with should or shouldn’t: We ______ open the door now, and we ______ tell our teacher about the shelf.

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14. Complete the advice with should and the verbs in brackets. A tablet’s battery is swollen and smells strange. You ___ (stop) using it, ___ (keep) it away from heat, and ___ (tell) an adult.

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15. 根据中文释义补全单词（每空一词）。1. d__nger（危险）2. s__fe（安全的）3. d__ngerous（危险的）4. w__rn__ng（警告）5. r__sk（风险）6. s__cur__ty（安全；保障）

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16. 看词义选词：表示“可能造成伤害或危险的”，而不是“危险本身”的词是哪个？A. danger B. dangerous C. safe D. safety

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17. 根据情境用 should 或 shouldn't 填空。Lisa likes eating fast food and never does exercise, so the doctor says she ___ eat more vegetables, she ___ spend hours sitting on the sofa, and she ___ do sports every day to keep healthy.

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18. Choose the word that best completes the sentence: The kitchen is full of hot water and sharp knives, so it can be a very ______ place for little children. A. safe B. dangerous C. warm D. clean

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19. 学校组织郊游前，老师用祈使句向大家发出警示与建议。请根据句意，用所给动词的适当祈使形式填空（每空一词，注意否定形式）。1. The river is deep and cold. ___ (not swim) in it! 2. The path is rocky. ___ (watch) your step, please. 3. ___ (not leave) your bag near the campfire — it may catch fire. 4. If you see a snake, ___ (stay) calm and walk away slowly.

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20. A loose branch may fall from the tree. Use a negative imperative to complete the warning: ___ climb the tree!

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21. 根据句意及所给提示，用括号内单词的适当形式补全句子，每空一词。1. It is ______ (danger) to swim in the river alone, so we must keep ______ (safe) in mind at all times. 2. The sign on the wall gives a clear ______ (warn) that the deep water area is not ______ (safety) for children.

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22. 路面结冰时，哪句话是用祈使句提出的安全建议？ A. Be careful on the icy road. B. The road is icy today. C. Is the road icy today? D. You are careful on the road.

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23. 根据中文释义补全单词：表示“事故”的英文单词是 a________。

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24. 根据句意和首尾字母补全单词：You find an open bottle of cleaning liquid at home. It may be dangerous. You s____d tell an adult at once.

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25. You see a broken wire in an empty room. Don’t touch it; you sh__ld tell a teacher about it at once. 补全单词。

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26. 根据句意及首字母提示补全单词：1. You mustn't t______ the wet paint on the wall. 2. Passengers must w______ for the green light before crossing the road. 3. You mustn't play with f______, or you may start a fire. 4. We must k______ away from the deep water when swimming alone.

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27. 施工围栏旁的警示牌缺少首词。根据中文提示和首字母补全祈使句：K___ (保持) away from the fence; it may fall.

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教科版·英语其他单元练习题

Unit 1 Welcome to junior high（18题）Unit 1 The Picture of Peace（27题）Unit 1 Not Too Short（27题）Unit 1 What is art?（18题）Unit 1 What's your style?（27题）Unit 1 Back to school（27题）Unit 1 That's entertainment!（27题）Unit 2 Spread the word!（27题）Unit 2 Getting Along（27题）Unit 2 Never Give Up（18题）Unit 2 Get connected（27题）Unit 2 Making history（27题）

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