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1、第5讲 Unit 5 A Lesson in a Lab,第5讲Unit 5 A Lesson in a Lab,第5讲 美文欣赏,下图描绘的是当今学生中存在的一种现象。请你根据对这幅漫画的理解写一篇短文，描述图中的内容并表达你的看法。,注意： 1仔细品味图中文字的幽默，要适当发挥想象，不要只作简单描述。 2词数：不少于120。,第5讲 美文欣赏,【精彩美文】 The teacher asks a young boy to come to the blackboard to solve a math problem: Whats 8 multiplied by 5? Before he wri
2、tes his answer, he says, “I think thats 40, but let me check.” So he turns to the computer for help. The teacher shows a surprised look. Nowadays some children are unwilling to use their heads while doing the calculating, with the result that they depend too much on the computer and feel less confid
3、ent about themselves. There may be some reasons behind it. One is that their parents should bear some responsibility to some degree. Another is that,第5讲 美文欣赏,children have formed the habit of using the computer to help with their work. In my opinion, if we use the computer in a proper and wise way,
4、we will benefit a lot. On the other hand, if we completely depend on it for everything, it will become a barrier on the way to success.,第5讲 美文欣赏,【全品点睛】 行文逻辑：描述图画内容发表评论阐述观点。较好地使用了连接词语，如：oneanother，on the other hand，in my opinion等。 词汇短语：运用了较高难度的词汇。如：solve，turn to, a surprised look，be unwilling to, dep
5、end()on，confident，bear some responsibility, to some degree，form the habit of doing sth.，benefit等。,第5讲 美文欣赏,句式句法：运用了多样化的句式和句法结构。如：时间状语从句：Before he writes his answer；表语从句：One is that their parents should bear some responsibility to some degree；条件状语从句：if we use the computer in a proper and wise way等。,第
6、5讲 美文欣赏,. 单词荟萃 1. _ n混合物mix v. 混合 _ adj. (男女)混合的 2. _ n电 electrical adj.与电有关的， 用电的electric adj.电的， 发电的 3. _ n结论conclude v推断出， 断定， 作结论 4. _ n. 目标， 对准 v. 对准目标；打算aimless adj. 没有目标；无目的的 5. reaction n反应， 回应 _ v反应， 作出回应,第5讲 基础梳理,mixture,mixed,electricity,conclusion,aim,react,6. equipment n设备， 装备 _ v. 装备，
7、配备 7. _ adj. 吃惊的；惊讶的 _ adj. 令人吃惊的 astonish v使惊讶astonishment n. 惊讶,第5讲 基础梳理,equip,astonished,astonishing,.短语检测 1使有条理 2想起， 考虑 3弄清楚， 弄明白 4把加到 5使不进入， 防止进入 6开始做， 着手干， 进行吧 7安静点 8过去常常 9在过去的二十年里,第5讲 基础梳理,putin order think of find out addto keepout of go ahead keep the noise down used to in the last twenty y
8、ears,10要么要么 11为感到骄傲 12理应， 应当,第5讲 基础梳理,eitheror be proud of be supposed to,.佳句再现 1_ the earths surface is water. 地球表面三分之二是水。 2The earth is _ the moon. 地球是月球的五十倍。 3It is hard _ a world without metals. 很难想象一个没有金属的世界。 4Im going to _ Montreal _ Ottawa University, as both _have good Physics Department. 我要
9、么去蒙特利尔大学， 要么去渥太华大学， 因为两个大学都有不错的物理系。,第5讲 基础梳理,Twothirds of,fortynine times larger than,to think of,either,or,are supposed to,.单元语法 Degrees of comparison,第5讲 基础梳理,第5讲 单词点睛,1expand v. (cause sth. to) become greater in size, number or importance膨胀， 扩大， 增强；扩展， 展开 expansion n. 扩张， 扩展， 膨胀 【易混辨析】 expand和ext
10、end (1)expand vt. take place)发生， 进行；走在前面， 先走,第5讲 短语储存,go _ 违背， 对不利；与相反 go all out to do/for sth. 全力以赴做某事 go _ (时间)过去；依据， 遵循 go down 下降， 降低 go up 上升， (房屋)建立起来 go on 继续；发生， 进行；(时间)过去 go on with sth. 继续做某事 go on doing 继续做(原来的事) go on to do 接着做(另外一件事),第5讲 短语储存,against,by,【活学活用】 用go相关短语的正确形式填空 (1) Do you
11、 mind if I open the window? No, _. (2) The building of the new bridge will _as planned. (3)The company will _ improve next years sales. (4)She was scared to _ her fathers wishes. (5)As the weeks _, I became more and more worried. (6)New buildings are _all around the town.,第5讲 短语储存,go ahead,go ahead,
12、go all out to,go against,went by/went on,going up,4used to do(happened regularly or all the time in the past, but does not happen now)过去常常做某事 be/get used to (doing) sth.习惯于 be used to do 被用来做 【易混辨析】 used to 和would (1)used to多有“过去如此， 现在不这样”的对比含义， 不与一段时间状语连用。 (2)would多表示过去习惯性的动作， 常与具体的时间状语连用， 或与often,
13、 sometimes或for hours连用。如：,第5讲 短语储存,He would always be the first to offer to help. 他总是会第一个主动提出帮助。 【注意事项】 (1)疑问式：Used you to？/Did you use to？ 否定式： used not to/usednt to/didnt use to (2)used to 后的不定式可以承前省略到to, 但若后面是be, 则be需保留。如： He is not an actor. But he used to be.,第5讲 短语储存,【活学活用】 (1)_ and take an ho
14、urs walk before breakfast. 我过去常常早起， 并且在早餐前散步一小时。 (2)He _ in the country. 他已习惯于住在乡下。 (3)Bamboo _. 竹子可以被用来造纸。,第5讲 短语储存,I used to get up early,is/has got used to living,can be used to make paper,5be proud of对感到自豪 be proud to do/that对感到自豪 take pride _ 以感到自豪；对感到得意,第5讲 短语储存,in,【活学活用】 (1)He _his childrens
15、achievements. 他为孩子们的成就感到骄傲。 (2)_ your friend. 做你的朋友我感到骄傲。,第5讲 短语储存,takes pride in/is proud of,Im proud to be,6be supposed to do sth.被期望或被要求(按规则、惯例等)做某事， 理应 Suppose/Supposing (that)假设， 如果(引导条件状语从句， 相当于if),第5讲 短语储存,【活学活用】 (1)You _ here. 你不应该呆在这儿。 (2)_, can we play the match indoors? 要是下雨的话， 我们在室内比赛行吗？,第5讲 短语储存,are not supposed to stay,Supposing/Suppose (that) it rains,1It is hard to think of a world without metals. 很难想象一个没有金属的世界。 句型公式 It isadj. to do st
