沪教版 七下Unit6讲义加练习.doc
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1、【精品文档】如有侵权,请联系网站删除,仅供学习与交流沪教版 七下Unit6讲义加练习.精品文档.沪教版七(下)Unit 6 Electricity一、词组归纳1. 转化,变成 change into2. 戏弄某人 trick sb3. 最后at last4. 看上去很傻 look foolish5. 流经 flow through6. 某种程度上 in a way7. 被连接到电缆上be connected to cables8. 电灯泡 a light bulb9. 挠头 scratch ones head10. 不同形式的能量different forms of energy11. 发电站
2、a power station12. 一包a packet of13. 成/几包的in packets14. 整理好tidy up=clean up15. 关(灯,电器等)switch off=turn off16. 开(灯,电器等)switch on=turn on17. 与某人分享某物share sth with sb18. 准时on time19. 由组成be made up of20.为提供provide sth for sb=provide sb with sth21. 在乎,关心care about二短语1.小心对待;谨慎处理 be careful withThese glasse
3、s are very expensive, so he is very careful with them. 2.(使)连接;联结 connecttoConnect the hose(软管) to the tap and turn on the tap.被连接到Be connected to The hose is connected to the tap. 3.发电厂;发电站 the power station He took us to see the power station they built.4.关(电灯,机器) turn/switch offPlease switch the
4、light off before leaving the room.In order to save electricity, please turn off/ switch off all the lights when you leave the room.5. 打开(电灯,机器) turn/switch onPlease turn/switch on the light, its getting dark.6. 转化,变成 change intoThey eat different kinds of food which change into energy.人们吃的各种各样的食物都转化
5、为能量。8. 戏弄某人 trick sb9. 最后at last At last, I have made some progress.最后,我取得了一些进步。10. 看上去很傻 look foolish I know many people do not want to look foolish.我知道很多人都不想被人看作愚笨。11. 流经 flow throughThe Life Principle will flow through.“生命的法则”总是不断流动的。12. 某种意义上 in a wayIn a way, it could make your life easier. 在某种
6、程度上,他能令你的生活更轻松。13. 电灯泡 a light bulb14. 挠头 scratch ones head15. 不同形式的能量different forms of energy三 句子1. Im going to buy a packet of sweets.a 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 m
7、ilka +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 pencils 2. It is like water, in a wayit a way 在某种程度上In a way, you are right. 在某种程度上,你是对的.与way的相关短语:In the way 妨碍;挡道His hobby sometimes ge
8、ts in the way of his studies. 有时他的爱好妨碍了他的学业.on the way 在途中;在路中He is on the way to school now. 他现在在上学的途中.by the way 顺便问一下 By the way, who is Tom? 顺便问一下,谁是汤姆?all the way 一直He studies hare all the way. 他学习一直很努力. 3. Electricity comes into our flat through thin wires. 电通过细电线进入我们的公寓.come into 进入之内Water co
9、mes into our houses through pipes. 4. These are connected to cables under the streetconnect 连接 常用结构: be connected to sth. 连接到 ; connect sth. to/with 把和连接起来.Turn on your computer and connect it to the Internet.The railway line connects Wuhan to Shanghai. 5. A moment later, Daisy came back. (1)moment
10、可数名词,意为”瞬间;片刻” Id like to talk to you for a moment. 与moment相关的短语: a moment ago 刚刚;刚才He was here a moment ago. at the moment 现在;此刻He is at home at the moment.wait a moment 等一会儿Wait a moment, please.(2) later 副词,意为”后来;以后”6. Batteries provide toy cars with provide sb. with sth. 供应给某人某物= provide sth. fo
11、r sb. The sun provides us with light and heat. 7. .speak as many languages as Lo. 说和Lo一样多的语言. “as many + 复数名词+as ” 意为”和一样多的” I have as many books as you. 我和你有一样多的书.“as much +不可数名词+as” 意为”和一样多的” My brother drinks as much milk as I every day. 8. share cups with others 与别人合用杯子 share sth. with sb. 与某人合用
12、/分享某物 Lucy shares a bedroom with Lily. 露西和莉莉合用一间卧室.9. Keep the outside of the pot dry. 让锅的外表保持干燥。(1 )“keep + sb. / sth. + 形容词” 意为“让某人/某物保持某种状态”。(2) keep doing sth. 连续不断地做某事,一直做。强调不断重复的动作。Li Lei keeps buying books about cars. 李雷不断地买有关车的书。(3) keep sb./ sth. doing sth. 让某人不断地做某事(4) keep sb. from doing
13、sth. 阻止某人做某事We must keep them from getting to know our plans. 我们必须防止他们知道我们的计划。10. because it might start a fire. 因为它可能会引起火灾。might 情态动词,意为“可能,也许”。Im afraid it might rain today. 恐怕今天会下雨。11. Stand at least one metre away from the microwave when it is on. at least 至少A child must sleep at least eight hou
14、rs a day. 与least有关的短语:(1) not in the least 一点也不He is not in the least worried about his future.他一点也不担心他的未来。(2) least of all 最不的 Nobody cared, least of all my little brother. 没有人在意,更不用说我的小弟弟了。12. make sure it is microwave safe. 确保它适用于微波炉。Make sure 务必,确信单元语法精讲:情态动词一、情态动词的定义: 情态动词是一种本身有一定的词义,表示说话人的情绪,态
15、度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语。 We can be there on time tomorrow. 我们明天能按时去那儿。 May I have your name? 我能知道你的名字吗? Shall we begin now? 我们现在就开始吗? You must obey the school rules.你必须遵守校规。 二、情态动词数量不多,但用途广泛,主要有下列: can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) . 三
16、、情态动词的位置: 情态动词在句中放在谓语动词之前, 谓语动词前若有助动词,则在助动词之前,疑问句中, 情态动词则在主语之前。 I can see you. Come here. 我能看见你,过来吧。 He must have been away.他一定走了。 What can I do for you? 你要什么? How dare you treat us like that!你怎能那样对待我们! 四、情态动词的特点: 情态动词无人称和数的变化, 情态动词后面跟的动词需用原形,否定式构成是在情态动词后面加 not。 个别情态动词有现在式和过去式两种形式, 过去式用来表达更加客气, 委婉的语
17、气, 时态性不强, 可用于过去,现在或将来。 He could be here soon. 他很快就来。 We cant carry the heavy box. 我们搬不动那箱子。 Im sorry I cant help you. 对不起,我帮不上你。 五、情态动词的用法: (一)、can的用法:1. (表示能力、功能)能,会The classroom can seat thirty students. 这教室能坐三十位学生。June can drive now. 琼现在会开车了。2. (表示可能性)可能,可能会I think the work can be completed ahead
18、 of time. 我认为这项工作能提前完成。3. (表示允许、请求)可以You cant take the book out of the room. 你不可以将这本书拿出室外。Can I use your pen? 我可以用一下你的笔吗? 4. (表示命令)必须If you wont keep quiet you can get out. 你如不保持安静,就请你走。5. (表示偶然发生的可能性)有时会It can be quite windy there, especially in spring. 那里有时容易刮风,特别在春季。6. (表示惊讶)究竟;竟至于What can it pos
19、sibly be? 到底那是怎么一回事? (二)、could的用法 can的过去式;(用于虚拟语气,表示与事实相反的设想)能;可以;(表示可能性)可能;(用于婉转语气)能,可以(三)、may的用法1.表示请求和允许,意思是:可以He may come if he likes. 如果他想来,可以来2.表示祝愿,意思是:祝,(但愿)。May the friendship between our two peoples last forever. 祝两国人民的友谊万古长青。3.表示推测,意思是:可能(会),或许(会)。It may rain this evening. Youd better tak
20、e an umbrella. 今晚可能要下雨,你最好带上雨伞。(四)、must的用法1.表“必须”。You must talk to them about their study.你必须同他们谈谈关于他们学习的事。2.在否定结构中表不许。You mustnt leave here.你不能离开这儿。3.表坚定的建议。You must come and see us as soon as you get to Shanghai.一到上海你得马上来看我们。4.表推测,暗含有很大的可能性,用在肯定句。He must be ill. He looks so pale.他肯定是病了。他的脸色那么苍白。注意
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