Unit 6 Electricity-【宝典训练】2023-2024学年七年级下册英语高效课堂课件（沪教牛津版）

单元知识要点 Unit 6　Electricity 【单元知识点归纳】 一、重点单词 1．electricity(n.) 电—electrical(adj.)用电的—electrician(n.) 电工 拓展：appliance (n.)电器、应用 2．rule(n./v.) 规则；统治—ruler(n.) 直尺；统治者；支配者 3．nature(n.) 自然—natural(adj.) 自然的 4．reply (n./v.)回复、回答—replied (过去式)　　搭配：reply to sb.＝ answer sb. 第 ‹#› 页 Unit 6　Electricity 返回首页 5．connect(v.) (使)连接—connection(n.) 连接—(形容词)connected 搭配：be connected to…与……连接 6．moment(n.) 瞬间—momentary(adj.) 短暂的　　搭配：wait a moment稍等片刻 7．battery (复数)— batteries电池 8．cook(n./v.) 厨师；烹饪—cooker(n.) 厨具—cooking(v-ing)烹饪，做饭 9．safe 安全的(adj.)— safely 安全地(adv.)— safety (n.)安全 第 ‹#› 页 Unit 6　Electricity 返回首页 10．fool(n./v.) 蠢人；欺骗—foolish(adj.) 愚蠢的— (同义词)silly/stupid 11．touch(v.) 触摸—touching(adj.) 动人的—touched(adj.) 受感动的 12．tidy(adj.) 整洁的—untidy(adj.) 凌乱的 — (过去式)tidied 13．conversation(n.)交谈、对话—converse (v.)交谈—(近)talk n. 谈话 第 ‹#› 页 Unit 6　Electricity 返回首页 【小试牛刀】 1．converse(名词) ______________ 2．ruler (动词)______ 3．battery(复数)____________ 4．touch (形容词)_____________________ 5．cooker(指人的名词)________ conversation rule batteries touched/ touching cook 第 ‹#› 页 Unit 6　Electricity 返回首页 6．electrical (名词)______________ 7．reply(过去式) _________ 8．fool (形容词)__________ 9．connect(形容词) ___________ 10．lock (现在分词)__________ electricity replied foolish connected locking 第 ‹#› 页 Unit 6　Electricity 返回首页 二、重点短语 1．in a way：to a certain degree 在某种程度上 2．switch off：turn off 关掉 3．produce electricity：make electricity 生产电 4．a packet of：a small bag of 一袋 5．be connected to：be linked to 被连接到…… 6．reply to：answer 回答 7．power station：a place to produce electricity 发电站 第 ‹#› 页 Unit 6　Electricity 返回首页 8．flow through：to move in one direction 流动 9．a moment later：after a while 一会儿以后 10．tidy up：make sth. neat and tidy 整理好 11．rice cooker：电饭煲(cook v．做饭；n.厨师cooker炉具) 12．washing machine 洗衣机 13．solar power 太阳能 第 ‹#› 页 Unit 6　Electricity 返回首页 14．water power 水能 15．wind power 风能 16．take the medicine on time 准时吃药 17．electrical appliance 用电设备 18．make sure：to do sth. in order to be certain that sth. else happens确保 第 ‹#› 页 Unit 6　Electricity 返回首页 三、重点句子 1．She can't buy electricity in packets like sweets! She'll look foolish. 她不能像买糖果一样用袋的形式买电！她会看起来愚蠢的。 2．Electricity gives us power. It flows through wires. It's like water, in a way. 电给我们能量。它通过电线流动。在某种程度上，它像水一样。 第 ‹#› 页 Unit 6　Electricity 返回首页 3．Electricity comes into our flat through thin wires. These are connected to cables under the street. 电通过细电线来到我们公寓，这些与街道下面的电缆相连接。 4．Could anyone live in a world without electricity？ 有谁能生活在一个没有电的世界里吗？ 5．The chemicals inside batteries produce electricity. 电池里的化学物质生产电。 第 ‹#› 页 Unit 6　Electricity 返回首页 6．Electricity makes our lives easier. 电让我们的生活变得更容易。 7．What do you know about electricity？ How can we use them safely？ 关于电你知道什么？ 我们能怎么去安全地使用它们呢？ 8．Don't put your hand in the washing machine when it is on. 当洗衣机在工作的时候，不要把你的手放进去。 9．Before you put an object in a microwave, make sure it is microwave safe. 在你把一个物体放进微波炉时，确保它适用于微波炉。 第 ‹#› 页 Unit 6　Electricity 返回首页 四、范文背诵(如何保护自然资源) How to protect natural resources There are some ways to protect natural resources. First, we should try to save water and electricity in our lives. There are many ways. For example, when we don't use water, we should turn the tap off. When there are no people in rooms, we should turn all the lights off. 第 ‹#› 页 Unit 6　Electricity 返回首页 Second, we should save paper. Most of paper is made from trees. We should try to use less paper in our lives. We can also use second－hand books if they can be used by us. Third, in our lives, we should try to produce less rubbish. We can use many of things in our lives again. Protecting natural resources means protecting our Earth. Let's protect natural resources together. 第 ‹#› 页 Unit 6　Electricity 返回首页 五、语法归纳 情态动词的用法 情态动词本身有一定的词义，但也同助动词一样，需要与其他词一起构成句子的谓语，另外情态动词没有人称和数的变化，情态动词后必须跟动词原形。 第 ‹#› 页 Unit 6　Electricity 返回首页 1．can的用法：表示能力、许可、可能性。 (1)表示能力时，一般译为 “能、会”，即有某种能力，尤其是生来具备的能力，此时may和must均不可代替它。如： He can dance, but I can't. 他会跳舞，但我不能。 (2)表示许可时，常用于口语中。如： You can come to my home. 你可以来我家。 第 ‹#› 页 Unit 6　Electricity 返回首页 (3)表示推测时，意为 “可能”，常用于否定句和疑问句中，此时can't译为 “不可能”。如： —Can he tell a lie？ 他可能说谎吗？ —No, he can't. 不，他不可能。 第 ‹#› 页 Unit 6　Electricity 返回首页 2．may的用法 (1)表示请求、许可，比can委婉。如：May I leave a message？ 我可以留个言吗？ (2)表示推测，谈论可能性，意为 “可能，或许” ，一般用于肯定句中。如： She may be in the library. 她可能在图书馆。 第 ‹#› 页 Unit 6　Electricity 返回首页 3．must的用法 (1)must表示主观看法，意为 “必须；一定”。如： Must I hand in my homework right now？ 我现在必须交作业吗？ (2)对must引导的疑问句，肯定回答为must，否定回答为don't have to或needn't。如： —Must I finish my homework now？ 我现在必须完成作业吗？ —No, you don't have to / needn't.不，你没有必要现在完成作业。 (3)must表示肯定的推测，一般用于肯定句中。如： He must be in his office now. 他现在一定在自己的办公室。 第 ‹#› 页 Unit 6　Electricity 返回首页 【小试牛刀】 I. 根据句意，选择正确选项。 (　　)1．—When will John come to our house？ —He ________ come here this afternoon. I am not very sure. A．may B．can C．need D．must A 第 ‹#› 页 Unit 6　Electricity 返回首页 (　　)2．—________ I finish the work today？ —No, you ________. A．Must; can B．Must; needn't C．Must; need D．Can; mustn't (　　)3．—________ I visit Lucy on Sunday, Mum？ —Yes, you ________. A．Must; can B．May; may C．Can; needn't D．May; can't B B 第 ‹#› 页 Unit 6　Electricity 返回首页 (　　)4．—________ I swim here？ —I'm sorry.Children ________ swim alone. A．Must; can't B．May; can C．Can; mustn't D．Can; needn't C 第 ‹#› 页 Unit 6　Electricity 返回首页 (　　)5．—Tom ________ play tennis well, so he tries to learn it every weekend. —He is a hard－working boy. A．mustn't B．may not C．can't D．needn't C 第 ‹#› 页 Unit 6　Electricity 返回首页 II.根据句意，用can, can't, may, may not, must, mustn't, needn't完成句子或对话。 6．— Dad, may I watch TV？ —No, you ________. You ______ finish your homework first. 7．—John, don't play with the knife. You _______ hurt yourself. —I am sorry, Mom. I won't play with it again. 8．Children _________ play in the street because there are too many cars. can't must may mustn't 第 ‹#› 页 Unit 6　Electricity 返回首页 9．—______ I have a look at your new dress？ —Of course you can. 10．— Must we get to the train station before ten o'clock？ —No, you___________. Can needn't 第 ‹#› 页 Unit 6　Electricity 返回首页 本节内容到此结束！ logo $$