沪教版·英语（初中）七年级下册《Unit 6 Electricity everywhere》练习题

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本单元考点（4 个）

电器与用电相关词汇一般过去时描述用电经历must/mustn't表达用电规则安全用电提示类写作

本单元练习题（27 题）

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1. Last night, the lights in my home suddenly ___ (go) out because of a storm. My father ___ (light) some candles and I ___ (not watch) TV, so I ___ (read) a book by candlelight instead. When the electricity ___ (come) back two hours later, everything ___ (return) to normal.

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2. Your little brother is playing with a plug near the sink. Complete the safety tip with the correct word: Never ___ (touch / eat / water) electrical things with wet hands. It is very dangerous because water can carry ___.

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3. 小杰准备清洁仍接着电源的电水壶。请根据提示词，写出一条安全用电提示，补全句子（每个词只用一次）：Never ___（touch / electrical / appliances / with / wet / hands）.

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4. Which appliance does Mia use to wash her clothes at home? A. a fridge B. a washing machine C. a lamp D. a cooker

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5. 用 must 或 mustn't 填空，使句子符合安全用电规则（每空一词）：It is dangerous to leave the heater on all night, so you ___ turn it off before you go to bed, and you ___ ever touch the socket when your hands are wet.

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6. To clean an electric kettle safely, you m___ unplug it first.（必须）

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7. 补全用电规则中的核心词汇，每空只能填 must 或 mustn't：插座附近的金属夹子可能掉进去。You ___ keep metal objects away from sockets. 插头外皮已经破损。You ___ use that plug.

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8. 根据括号内所给动词的正确形式填空。Last Sunday evening, our family ___ (have) no electricity for two hours because of a heavy rain. My mother ___ (light) some candles, and I ___ (read) a book by candlelight. When the lights came back on, we all ___ (feel) very happy.

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9. Before cleaning a desk lamp, you ___ turn it off and unplug it. You ___ pull the plug out by its cord. Which pair is correct? A. must; must B. must; mustn't C. mustn't; must D. mustn't; mustn't

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10. 你为社区写一张安全用电提示卡。选出最恰当的一句补全提示卡内容，使之成为一条正确、规范的安全用电提示：When you unplug an electrical appliance, ______. A. pull the wire hard with wet hands B. hold the plug, not the wire C. leave it on all night D. touch the plug with a wet cloth

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11. 校规写着：“湿手时不可以触碰插头。”哪句话表达了同一条用电规则？ A. You must touch a plug with wet hands. B. You mustn't touch a plug with wet hands. C. You mustn't touch a plug with dry hands. D. You must touch a plug with dry hands.

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12. 选择最佳选项填空。Last night, the lights in our building suddenly ______ (go) off, so we lit candles and told stories in the dark. A. go B. goes C. went D. will go

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13. Mia’s hands are wet, and she sees a damaged wire near a socket. Complete the safety tip with the words in the box, using each word once: never / touch / the / wire / and / tell / an / adult. Mia should ___.

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14. 根据括号内提示完成日记，每空填入所给动词的正确形式。Yesterday evening, I ___ (use) electricity to do my homework. When the room became dark, I ___ (switch on) the light. Before bed, I ___ (turn off) the light.

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15. 根据用电规则补全单词：You mu__n't touch the socket with wet hands.

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16. 根据句意和括号内提示补全单词。Yesterday afternoon, I swit__ed on the electric fan when the room was hot.（switch）

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17. 为家人写一条安全用电提示，补全句子：Never l___ an electric heater on when you leave the room.（让……处于开启状态）

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18. Which word means “电饭煲”? A. rice cooker B. washing machine C. television D. fridge

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19. 实验室安全手册上有三条用电规则：①You must turn off the lights when you leave. ②You mustn't touch the wires with wet hands. ③You mustn't unplug the computer by pulling the wire. 下列哪项判断完全正确？A. ①③是禁止做的事，②是必须做的事 B. ①是必须做的事，②③是禁止做的事 C. ①②是禁止做的事，③是必须做的事 D. 三条都是必须做的事

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20. 学校要制作安全用电提示卡。根据“清洁电风扇前”的情境，选出最合适的英文内容补全提示：Before cleaning an electric fan, ____. A. switch it off and unplug it first B. keep it running to check the blades C. pour water on it to remove the dust D. pull the plug out by its cord

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21. 在家中用电时，下列哪句话正确表达了安全用电规则？ A. You mustn't touch electrical wires with wet hands. B. You must touch electrical wires with wet hands. C. You mustn't turn off the lights when you leave. D. You must put a metal fork into the toaster.

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22. 根据英文解释完成句子：A machine that uses electricity to wash clothes is a ___.

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23. I put dirty clothes into a ___ to wash them.（洗衣机）

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24. 根据中文提示补全单词：1. 开关 s____h 2. 插座 s____t

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25. 根据句意及括号内动词提示，补全日记中的一般过去时动词。Last Saturday, the power in our home worked well. I ______ (switch) on the desk lamp and ______ (use) my laptop to finish a report. Before bed, I ______ (turn) off the lamp but forgot to unplug the laptop.

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26. 根据用电规则补全单词：You m___n't put metal objects into a socket.

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27. 从方框中选出合适的词完成句子：每词限用一次（fridge / plug / battery / cable / switch）。Tom's phone is dead because the ___ has run out of power. Also, don't touch the ___ with wet hands after you turn off the ___ on the wall, or electricity may still travel through the wire and hurt you.

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沪教版·英语（初中）其他单元练习题

Starter（27题）Unit 1 Look it up!（27题）Unit 1 Helping those in need（27题）Unit 1 Everyone is different（27题）Unit 1 People around us（18题）Unit 1 Friendship（27题）Unit 1 Great people（18题）Module 1 Unit 1 Great explorations（27题）Unit 1 School life（18题）Unit 2 Amazing numbers（27题）Unit 2 Body language（27题）Unit 2 Travelling around the world（18题）

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