八年级英语知识点整理 Unit 3.docVIP

八年级英语知识点整理 Unit 3 词组 come from electricity来自电 change electricity into different kinds of energy把电转变成各种能量 heat energy热能 moving energy动能 light energy光能 sound energy声能 one evening一个傍晚 buy a packet of sweets买一袋电 get me a packet of electricity给我买一袋电 go out出去 at last最后 buy it in packets装在袋子里买它 be like sweets像糖 look foolish看起来傻的 flow through a wire流过一根电线 measure the amount you use测量你使用的数量 get a bill for it因为它得到一张账单 be like water像水 in a way在一定程度上 a bad explanation一个坏的解释 be much more dangerous是危险的多 a good servant一个好的仆人 a dangerous servant一个危险的仆人 be careful with electricity小心电 look like看起来像 scratch his head挠挠他的头 change electricity into different forms of energy把电变成不同形式的能量 think of an example想出一个例子 the light in a light bulb一个灯泡里的光 come into our flat through thin wires通过细的电线进入我们的公寓 be connected to thick wires与粗的电线连接在一起 call the thick wires cables把这些粗的电线叫做电缆线 a power station一个发电站 come back回来 ask politely有礼貌地问 have my packet of electricity拥有我那一袋电 a grin on his face脸上的一个露齿笑容 packets that contain electricity含有电的包装袋 the chemicals inside里面的化学物质 produce electricity生产电 play the guitar弹吉他 play chess下国际象棋 speak three languages说三种语言 borrow your new bicycle借你的自行车 carry your bag for you为你拿包 get you a chair拿给你一把椅子 deal with this problem解决这个问题 a vacuum cleaner一个吸尘器 a washing machine一个洗衣机 a rice cooker一个电饭煲 believe in safety first相信安全第一 turn on the water heater打开热水器 put the meat in the fridge把肉放冰箱里 give the puppy a bath给小狗洗澡 cover the meat盖住肉 lock the door锁住门 look through the peephole透过猫眼看 pick up all your toys from the floor从地上捡起你所有的玩具 test the water测试水（温） be polite to customers对顾客有礼貌 dress properly in the office在办公室穿着合适 use electricity in one way or another在一个方面或者另一方面用到电 make all kinds of foods做各种商品 everyday wonders每日奇迹 use electricity to bring entertainment and news to millions of families 用电把娱乐和新闻带给上百万个家庭 the use of electricity电的用途 to save electricity为了节约电  词汇知识点 servant (n.) 仆人 serve (v.) 服务 service (n.) 服务 electricity (n.) 电 electric (adj.) 电的（修饰具体某一样电器：a electric ket