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1、Unit 3ElectricityName：Period 1 新课讲授一 words 精讲1. electricity, n. 电力； 电流，静电； 高涨的情绪； 紧张如： At night these streets are brilliant with a pearly radiance of electricity.While I was cooking supper, the electricity went off.链接： electrical 电的 , 有关电的； electric 电的 , 导电的 , 电动的； electron 电子2. foolish， adj. 愚蠢的； 鲁
2、莽的； 荒谬的，可笑的如： He was angry with himself for having made such a foolish mistake.We were all amused at his foolish behaviour.链接： fool (n.)傻瓜+ ish foolish (adj.)愚蠢的What a fool I was to believe he is a good man!A fool always finds a greater fool than himself.3. bulb， n. 电灯泡如： The light bulb in the kitch
3、en burnt out.I will have to change the bulb by myself.4. test, v.回转，返回； n.归来，返乡。如： After I made a model plane, I tested it.The new drug will be tested first on animals.5. wire, n. 金属丝 ;金属线； vi. 拍电报如： Electricity is carried along wires.Will you connect this wire to the television?Each of the homes ha
4、s a security system and is wired for cable television.链接： by wire 用电报，通过电报； wire-to-wire ( 北美，非正式 )从起点到终点；自始至终6.bettery, n. 电 电池，蓄电池；军 炮台，炮位；如： He is charging a storage battery.He was an okay battery commander.7.reply, n.答复、报复（行动） ； vi.法律 （原告对被告）答辩、作答；vt.回应，作出反应如： His evasive reply prompted me to as
5、k another question.To their surprise, hundreds replied to the advertisement.8.tidy， adj. 整洁的、数量大的；n.盛零碎物品的容器、椅子的背罩； vt.& vi. 使整洁；弄整齐如： It was a neatly furnished and immaculately tidy room.A tidy amount of money is a large amount.She made her bed, and tidied her room.链接： tidiness， n. 整洁Im very impres
6、sed by your tidiness and order.9.identify,vt.识别、认出，确定，使参与，把 看成一样；vi.确定；认同如： Could you identify your sunshade among a hundred others.The reporters identified one of the six Americans as an Army Specialist.Reading this book, we can identify with the main characters struggle.链接： denticaladj 同样的； identi
7、fication n.辨认 , 鉴定 , 证明 ; identify v.识别 , 鉴别 ,确定10. conversaon, n. 交谈、会话 , 交往、交际； 会谈、 （人与计算机的）人机对话如： Please pull up a chair and join the conversation.If you have a conversation with someone, you talk with them, usually in an informal situation.11. anyone, pron. 任何人；任何一个；谁1如： That dog will pick a qua
8、rrel with anyone he meets.Dont repeat what Ive told you to anyone, its private.链接： anyones game 平局 It was still anyones game at half-time. 中场休息时还是平局。12. cooker, n. 电冰箱；冷冻机如： The cooker is not yet wired in to the main supply.Mum has just won a microwave cooker.13. fridge ，n. 电冰箱；冷冻机如： I put the milk
9、and meat in the fridge.This kind of deodorizer can keep the fridge free of bad smells.链接： refrigerator冰箱（ fridge 是缩写）14.lock n. 锁；一把，一撮;vt. 锁上；使固定；隐藏;vi. 卡住，不动如： She brushed a lock of hair off his forehead.They beat them up and locked them in a cell.Are you sure you locked the front door?链接： lock ou
10、t 停工； lock on to （用雷达或类似手段）定位跟踪（目标）15.cable, n. 缆绳绳索； 电学 电缆；巨缆;vt. 发电报至；电传；固定系牢如： Steel cable will be used to replace worn ropes.She sent a cable to her mother.16.moment, n. 瞬间，片刻；时刻；重要，紧要; 红极一时如： Ill be back in a moment.The moment the clown appeared on stage, the audience folded up.Hes the man of t
11、he moment, isnt he?链接： for the moment 暂时 目前；at the (或 this) moment 马上，任何一刻，随时。17.touch, vt.触摸；使某物与 轻轻接触；n.触摸，碰；触觉，润色，痕迹；vi.接触；联系如： I want to touch briefly on another aspect of the problem.She was off work with a touch of flu.He kept in touch with us while he was on vacation.链接： get in touch with和 .取
12、得联系 ;keep in touch with和保持联系。二 Phrases 精讲1. (be) careful with 小心对待 ;谨慎处理These glasses are very expensive, so he is very careful with them. Be careful with those fireworks. They may cause fire.2. connect to（使）连接；联结Connect the hose to the tap and turn on the tap. Please connect me to the number in the
13、 USA3. power station n. 发电厂 ;发电站He took us to see the power station they built.The new power station has already come into operation.4. switch off 关 (电灯 ,机器 )Please switch the light off before leaving the room. Last night you forgot to switch off the television.5. turn off 关上 (switch on, turn on 打开
14、)In order to save electricity, please turn off/ switch off all the lights when you leave the room.三 sentenses精讲1.I m going to buy a packet of sweets.2a packet of 一袋。其后可接可数名词复数或不可数名词用来表示数量。不可数名词没有复数形式，在表示数量时，常用“a+单位量词 +of+ 不可数名词”结构。a+单位量词 +of+ 不可数名词a piece of meat;a piece of paper; a glass of apple juice; a bag of milka +单位量词 +of+ 可数名词复数a basket of eggs;a bag of apples数词 +单位量词 +of+ 不可数名词two glasses of water; three cups of tea数词 +单位量词 +of+ 可数名词复数two packets of sweets ;three bags of pencils2. It is like water, in a wayi
