Unit 6 Electricity everywhere Grammar 同步分层作业 2026-2027学年沪教版初中英语七年级下册

Unit 6 Electricity everywhere Grammar 分层作业 建议用时：25分钟 一、单词汉译英（Grammar：情态动词 can / may / must） 1. 安全 ____________ 2. 危险的 ____________ 3. 插头 ____________ 4. 插座 ____________ 5. 湿的 ____________ 6. 修理 ____________ 7. 规则 ____________ 8. 许可 ____________ 9. 允许 ____________ 10. 电击；触电 ____________ 11. 成年人的 ____________ 12. 立即 ____________ 二、短语汉译英（教材原短语） 1. 小心…… ____________ 2. 关掉 ____________ 3. 触碰 ____________ 4. 遵守规则 ____________ 5. 确保 ____________ 6. 总之 ____________ 7. 对……有害 ____________ 8. 向某人求助 ____________ 三、词形变换（写出下列单词的反义词，注意前缀） 1. possible → ____________ 2. safe → ____________ 3. connect → ____________ 4. agree → ____________ 5. appear → ____________ 一、单句填空（用括号内单词的正确形式填空） 1. You ____________ (must) not play with electricity. It is dangerous. 2. ____________ (may) I use your computer, Mr Li? 3. We ____________ (should) switch off the lights before we leave. 4. You ____________ (can) borrow my torch if you want. 5. Students ____________ (must) not run in the science lab. 二、根据汉语意思完成句子（每空一词） 1. 你不能用湿手碰开关。 You ____________ ____________ touch the switch with wet hands. 2. 我可以借你的手电筒吗？（用 May 提问） ____________ I ____________ your torch? 3. 我们离开时必须关掉电脑。 We ____________ ____________ off the computer when we leave. 4. 孩子们可以在操场上玩。 Children ____________ ____________ on the playground. 5. 你不应该把水靠近电器。 You ____________ ____________ water near electric machines. 三、句型转换 1. Students can use the computer in the library.（改为否定句） Students ____________ ____________ the computer in the library. 2. You must keep the plug dry.（改为一般疑问句） ____________ I ____________ the plug dry? 3. We should turn off the TV before we go to bed.（对画线部分提问） ____________ ____________ we ____________ off the TV? 4. May I use your phone?（作肯定回答） Yes, ____________ ____________. 5. Electricity is dangerous.（改为感叹句） ____________ dangerous electricity ____________! 四、选词填空（用电安全） 【mustn't, may, can, must, shouldn't】 1. The school rule says you ____________ play near a power station. 2. Mr Wang, ____________ I come in now? 3. My brother ____________ fix a bike, so he can help you. 4. We ____________ switch off the lights when we leave. 5. You ____________ leave the fridge open for a long time. It is a bad habit. 五、情景补全对话（5个空，6个选项，1项多余） A. Can I use the computer now? B. What should I do with a broken plug? C. Why mustn't I touch it? D. What are you reading? E. Must I switch it off after using? F. How old is your sister? Amy: 1.____________ Ben: I'm reading the safety rules for using electricity. Amy: 2.____________ Ben: Because you may get a shock. Amy: 3.____________ Ben: Yes, you must switch it off and ask an adult for help. Amy: 4.____________ Ben: Yes, you can, but don't play games for too long. Amy: 5.____________ Ben: You mustn't use it. Tell your parents at once. 拓展提高（课内同源 + 课外同源） Passage1（课内同源：用电安全规则） 　　Electricity is useful, but it can also be dangerous. Here are some safety rules for using it at home and at school. / First, you must keep your hands dry. You mustn't touch a switch or a plug with wet hands, because water and electricity are a dangerous pair. / Second, you may use the computers in the school library, but you must follow the rules. You mustn't change the settings or download anything without permission. / Third, you must switch off the TV and the computer when you finish using them. You shouldn't leave them on standby for a long time. / Finally, if you find a broken plug or a broken wire, you mustn't use it. You should tell an adult at once. Never try to repair it yourself. / In a word, rules keep us safe. Learn them, remember them and follow them every day. 任务一：单项选择 1.What must you do before you touch a plug? A.Make your hands dry. B.Put water on it. C.Call a friend. D.Turn on the TV. 2.What should you do with a broken plug? A.Use it again. B.Repair it yourself. C.Tell an adult. D.Put it in water. 任务二：判断正误(T/F) 3.You may use a computer in the school library. (　　) 4.You may download anything you like in the school library. (　　) 任务三：简答 5.Why mustn't we touch a switch with wet hands? _______________________________________________________________________________________________ Passage2（课外同源：实验室里的规则） 　　It is Monday morning, and Class Two are in the science lab. Mr Zhang is showing them a small electric machine. / “Before we start, let's read the rules,” says Mr Zhang. “First, you must not touch the wires with wet hands. Second, you may use the tools on the desk, but you must ask me first. Third, you must switch off the machine when you finish. And you mustn't eat or drink in the lab.” / The students work in pairs. Amy and Ben connect the wires to a small bulb. At first, the bulb does not light. Mr Zhang looks at their wires. “The wires are not connected,” he says. “Connect this end here.” Amy moves the wire, and the bulb lights up. The class clap. / “Electricity is useful, but it can also be dangerous,” says Mr Zhang. “Rules keep us safe. Always follow them.” 任务一：单项选择 1.What is Mr Zhang showing the class? A.A small electric motor. B.A new computer. C.A model car. D.A torch. 2.Why does the bulb not light at first? A.The bulb is broken. B.The wires are not connected. C.There is no electricity in the lab. D.The wires are too long. 任务二：判断正误(T/F) 3.Students must ask Mr Zhang before using the tools. (　　) 4.Students may eat and drink in the lab. (　　) 任务三：简答 5.What does Mr Zhang say about rules? _______________________________________________________________________________________________ 任务四：单元微写作 请写出五条家庭用电安全规则，不少于6句话。请写清每条规则的内容和理由，并用上 must、mustn't 和 may。 _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 参考答案 夯实基础 一、单词汉译英 1.safety 2.dangerous 3.plug 4.socket 5.wet 6.repair 7.rule 8.permission 9.allow 10.shock 11.adult 12.at once 二、短语汉译英 1.be careful with 2.switch off 3.touch 4.follow the rules 5.make sure 6.in a word 7.be bad for 8.ask sb for help 三、词形变换 1.impossible 2.unsafe 3.disconnect 4.disagree 5.disappear 能力进阶 一、单句填空 1.must 2.May 3.should 4.can 5.must 二、根据汉语意思完成句子 1.must; not 2.May; borrow 3.must; switch 4.can; play 5.shouldn't; keep 三、句型转换 1.can't; use 2.Must; keep 3.When; should; turn 4.you; may 5.How; is 四、选词填空 1.mustn't 2.may 3.can 4.must 5.shouldn't 五、情景补全对话 答案：1.D 2.C 3.E 4.A 5.B；多余项：F 拓展提高 Passage1 任务一：1.A 2.C 任务二：3.T 4.F 任务三简答：5.Because water and electricity are a dangerous pair, and we may get a shock. Passage2 任务一：1.A 2.B 任务二：3.T 4.F 任务三简答：5.He says rules keep us safe and we should always follow them. 任务四范文：Electricity is useful, but we must be careful with it. Here are five rules for my family. First, we must keep our hands dry before we touch a switch. Second, we mustn't use a broken plug, because it may start a fire. Third, we may use the computer, but we must ask our parents first. Fourth, we must switch off the lights when we leave a room. Fifth, we mustn't put water near the sockets. These rules are simple, and they keep everyone safe. 学科网（北京）股份有限公司 $