Unit6Electricity everywhere Section 3同步练2025-2026学年沪教版七年级英语下册

Unit 6 Electricity everywhere Section 3 同步练 班级：________ 姓名：________ 得分：________ 一、选词填空（10 小题，每小题 1 分，共 10 分） 从方框中选择合适单词，并用适当形式填空，每词限用一次。 safe, wise, cable, appliance, switch, wet, broken, instruction, save, protect 1. We should learn to use electricity ________ to keep ourselves safe. 2. Never touch electrical ________ with wet hands. 3. Make sure all electrical ________ are in good condition before use. 4. Don’t use a ________ cable, as it can cause danger. 5. You must read the ________ carefully before using a new machine. 6. Remember to ________ off the lights when you leave the room. 7. Keep your hands ________ away from sockets and plugs. 8. To ________ energy, we can turn off the air conditioner when no one is at home. 9. ________ the environment is one of the reasons we should save electricity. 10. Using electricity properly is the best way to stay ________. 二、适当形式填空（10 小题，每小题 1 分，共 10 分） 用括号内所给词的适当形式填空。 1. It is very dangerous ________ (touch) electrical appliances with wet hands. 2. You must ________ (read) the instructions carefully before using the machine. 3. We should ________ (switch) off the lights when we are not using them. 4. Don’t use ________ (break) cables because they may cause fires. 5. ________ (save) electricity is a good way to protect the environment. 6. You must keep your hands dry when ________ (use) any electrical appliance. 7. It is important to use electricity ________ (safe) at home. 8. We should not leave the fridge door ________ (open) for a long time. 9. You must not turn on the air conditioner with the window ________ (open). 10. We should follow the safety rules ________ (keep) ourselves away from danger. 三、阅读理解 A（4 小题，每小题 2 分，共 8 分） 阅读短文，选择最佳答案。 Electrical Safety at Home Electricity is very useful, but it can also be dangerous. We must learn to use it safely. First, never touch any electrical appliances with wet hands. Water can make electricity pass through your body easily, and this can hurt you. Second, check all cables and plugs regularly. If you find a broken cable, stop using it right away. Don’t try to fix it by yourself. You should ask an adult or an electrician for help. Third, always read the instructions before using a new appliance. Different machines have different rules. For example, some TVs cannot be used in very wet places. Fourth, remember to switch off the power when you are not using the appliance. This not only saves electricity but also prevents fires. These simple rules can keep you and your family safe. 1. Why is it dangerous to touch electrical appliances with wet hands? A. Because water makes the appliance dirty. B. Because water can make electricity pass through your body easily. C. Because your hands will get hurt. D. Because the appliance will break. 2. What should you do if you find a broken cable? A. Try to fix it by yourself. B. Use it carefully. C. Stop using it and ask an adult for help. D. Hide it. 3. What should you do before using a new appliance? A. Read the instructions carefully. B. Plug it in right away. C. Ask your friend how to use it. D. Use it without reading the instructions. 4. Why should we switch off the power when not using the appliance? A. To save electricity and prevent fires. B. To make the room quiet. C. To make the appliance last longer. D. To keep the room cool. 四、完形填空（10 小题，每小题 1 分，共 10 分） 阅读短文，从 A、B、C、D 四个选项中选择最佳答案，使短文意思完整、通顺。 Saving Electricity at Home Saving electricity is important for protecting the environment and cutting down costs. There are many simple ways to do it at home. First, remember to 1________ off the lights when you leave a room. This is the easiest way to save electricity. Second, use air conditioners 2________. Don’t set the temperature too 3________ in summer. It will use more power. Also, remember to turn it off when 4________ is at home. Third, don’t leave the fridge door 5________ for a long time. The fridge will work harder to keep food 6________, which wastes electricity. Fourth, use energy-saving bulbs. They use 7________ electricity and last longer than common bulbs. Fifth, turn off TVs and computers when you are not using them. Many people leave them on standby, which still uses power. These rules are easy to follow. If everyone does their part, we can save 8________ electricity together. It helps the environment and saves money too. 1. A. turn B. take C. put D. keep 2. A. carelessly B. wisely C. freely D. quickly 3. A. high B. low C. warm D. cool 4. A. everyone B. someone C. no one D. anyone 5. A. open B. closed C. locked D. broken 6. A. warm B. cold C. hot D. fresh 7. A. more B. less C. no D. some 8. A. a few B. a lot of C. many D. no 五、五选四（4 小题，每小题 2 分，共 8 分） 阅读短文，从 A—E 中选择合适句子填入空白处，有一个多余选项。 Electrical Safety Rules Electricity is very useful, but it can also be dangerous. We must follow some safety rules to stay safe. 1________ First, never touch electrical appliances with wet hands. Water can make electricity pass through your body easily. 2________ Second, check cables and plugs regularly. If you find a broken one, stop using it right away. 3________ Third, always read the instructions before using a new appliance. This helps you use it correctly and safely. 4________ These simple rules can keep you and your family safe. A. Here are some important safety rules for you. B. This can hurt you badly. C. Ask an adult or an electrician for help. D. This is the only way to use electricity. E. It tells you how to use the machine properly. 参考答案 一、选词填空 1. wisely 2. appliances 3. cables 4. broken 5. instructions 6. switch 7. wet 8. save 9. Protecting 10. safe 二、适当形式填空 1. to touch 2. read 3. switch 4. broken 5. Saving 6. using 7. safely 8. open 9. open 10. to keep 三、阅读理解 A 1. B 2. C 3. A 4. A 四、完形填空 1. A 2. B 3. B 4. C 5. A 6. B 7. B 8. B 五、五选四 1. A 2. B 3. C 4. E 学科网（北京）股份有限公司 $