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1、 8B Unit 3 ElectricityP311. energy n. 能量;活力;精力energetic a. 精力充沛的 e.g. He is full of energy. =He is energetic.2. electricity n. 电electric a. 电的；用电的electrical 关于电的electronic a. 电子的-electrician n. 电工；电器技师e.g. Electricity is very important to us. 电对我们很重要。每一件电器名称都用electric，如：electric lights 电灯/ fans 风扇/
2、kettles 水壶/ rice cookers 电饭煲/ iron.电熨斗电器设备总称：electrical appliances =electrical machines e.g. There are many electrical appliances in my home.带电子的用electronic: an electronic watch an electronic dictionary 电子词典/ calculatorP321. change into=turnintov. 把变成. - changeable a. -exchange v. 交换2. different kin
3、ds of energy n. 不同种类的能量 -difference(s) n.-be different from3. kind n. 种类=sort =type a. 友善的；仁慈的 be kind to sb.=be friendly to sb.（宾格）4. heat energy n. 热能 moving energy n. 动能5. move v. 移动；搬动；使感动-moved a. 被感动的-moving a. 感人的 e.g. The film was so moving that we were moved. 这部电影如此感人，我们都被感动了。6. light energ
4、y n. 光能 light n. 光 ; a. 轻的；淡的7. sound energy n. 声能 sound n. 声音； voice n. 说话声；嗓音；语态 noise n. 噪音8. look foolish a. 看起来傻 （look后没有介词，后跟形容词。look后有介词，后跟副词）9. foolish a. =stupid =silly 愚蠢的 -fool v. 欺骗；愚弄 n. 傻子 April Fools Day 愚人节 e.g. Dont fool me. Im not a fool. I wont be fooled. 不要骗我。我不是傻子。我不会被骗的。 Its fo
5、olish of you to trust him. 你信任他是愚蠢的。10. serve v. 服务；提供service(s) n.服务servant n. 仆人；佣人 n. serve people /the customers 为人民/顾客服务 good services 优质的服务11. someone who does housework for others n. 某一个为别人做家务的人=servant 12. danger n. 危险-dangerous a. more dangerousmost dangerous e.g. Trees are in great danger.
6、 树木正处于极大的危险中。 be out of danger 脱离危险P331. on a cold evening ; on the morning/ afternoon /evening of在怎么样的早/ 中/ 晚2. buy a card for me =buy me a card buyboughtbought sellsoldsold 卖3. a packet of sweets n. 一包糖 4. someone pron. 某人；有人-anyone 任何人no one 没有人 Somebody pron. 某人；有人-anybody任何人-nobody没有人5. someone
7、 else 其他人6. something pron. 某物；某事-anything 任何东西-nothing 无；没什么 nothing =not anything7. 不定代词something；anything；nothing；放在形容词前面 e.g. I have something important to tell you. 我有件重要的事要告诉你。Are there anything living on the moon? 月球上有活的东西吗？There is nothing interesting in todays newspaper. 今天的报纸上没有什么有趣的事。8. d
8、o nothing =dont do anything e.g. They found nothing in the cave. =They didnt find anything in the vave. 他们在山洞里没有找到任何东西。9. get (=buy) me a packet of batteries =get a packet of batteries for me 给我买包电池10. please v.请；使高兴-pleased a.高兴的-pleasant a.愉快的；令人高兴的-pleasure n.令人高兴的事 e.g. Pleased to meet you. Im p
9、leased with you. 我对你很满意。 The trip was pleasant. Its a pleasure to talk with you. 跟你谈话是件高兴的事。11. go out v. 外出；熄灭 gowent -gone12. laugh v. 笑；嘲笑-laughter n. 笑声；笑 laugh at others 嘲笑别人 be full of laughter 充满笑声13. trick v. 哄骗；欺骗 n. 诡计；把戏；恶作剧 do magic tricks. 玩/ 变魔术 play a trick on sb. 捉弄某人14. at last =fin
10、ally =in the end adv. 最后15. She doesnt even know what electricity is. 她甚至不知道什么是电。（从句用陈述的语序）16. buy electricity in packets 买袋装的电 like 喜欢；像unlike 不像17. Do you know what electricity is? 你知道电是什么吗？（从句用陈述的语序）18. Our physics teacher told us (that) light travels faster than sound. (一般情况下主句和从句的时态要统一，但从句若表示自然
11、现象、科学真理时，永远用一般现在时。)19. flow through a wire v. 通过电线流动-flowed-flowed20. A meter measures the amount you use. 计量表测（量）出你所用的量。21. get a bill monthly adv.= every month 每月收到一张账单 monthly a. 每月的 monthly meeting 月会22. in a way =partly 在某种程度上；从某种意义上来说23. explain v. 解释；说明;讲解-explanation n. explain to sb. e.g. D
12、ont explain it to me. I dont want to listen to your explanation. 24. bad a. 坏的；严重的(ill/ badly/ bad) -worseworst a bad cold 严重的感冒25. although/ though conj. 尽管；虽然 （不能与but连用, 但经常跟still, yet 连用。 e.g. Although he was so tired, he still went on working.26. much+比较级 =far+比较级：什么什么得多 e.g. much taller 高得多；高很多
13、27. Electricity is much more dangerous than water. 电比水危险得多。28. 替代词one和ones的用法： one只能代替单数名词(可数名词)。 e.g. I dont like this cup. I like the blue one. ones替代复数名词。 e.g. Do you want the red apples or the green ones?29. must aux. 应该；必须；一定 mustnt 不准；不能30. must be 一定是cant be 不可能是31. be careful with sth. 当心/ 小
14、心某物-careless a. 粗心的 -carefulness n. 细心 be careful with the chemical/ vase 小心这个化学品/ 花瓶32. Can you tell me what it looks like? （从句用陈述的语序）你能告诉我它是什么样的吗？33. 问长相和面貌的句子：e.g. What does Betty look like?/ What is Betty like?/ How does Betty look?34. scratch his head v. 挠挠他的头35. I have never been to America. (
15、改为一般疑问句) ：Have you ever been to America?36. invisible a. ：cannot be seen看不见的；隐形的-visible a. 看得见的；明显地37. different forms of energy 不同形式的能量38. different forms of energy that we can see, hear or feel 我们能看得见、听得到或摸得着的不同能量形式39. hear v.heardheard 听见；听到 feel v.feltfelt 感觉40. think of an example 想出一个例子 think of 想起；想到；想出thought-thought41. a light bulb 一个灯泡42. Thats right. 那是对的；说对了 Thats all right. 没
