1、Unit 2 Will books be replaced by the Internet?,1. look through浏览；快速阅读 【点拨】look through是由动词look和介词through组成的动词短语，意为“浏览”。如：Before the meeting, he looked through the reports. 开会前他把报告看了一遍。,【延伸】look可以和很多词构成短语，常见的如下：（1）look about/around有如下含义：1）意为“环顾四周”。如：The man kept looking about.这个人不停地环顾四周。2）意为“随便看；到处看”
2、。如：What can I do for you, madam?夫人，想买什么吗? No, Im just looking around.不，我只是随便看看。,（2）look after意为“照顾；照料；关心”。如：I can look after myself.我能照顾自己。Who is looking after the luggage?谁在照看行李?（3）look at意为“看；注视”。如：He looked at me and smiled.他望着我笑了。,（4）look back on意为“回顾；回想”。如：I still shudder when I look back on th
3、e past.想起过去，我仍然不寒而栗。（5）look down on/upon意为“看不起；瞧不起”。如：You shouldnt look down upon the poor.你不应该瞧不起穷人。,（5）look down on/upon意为“看不起；瞧不起”。如：You shouldnt look down upon the poor.你不应该瞧不起穷人。,（6）look for意为“寻找”。如：Ive looked for it everywhere.我到处找过它了。（7）look forward to意为“期待；盼望”。如：Were looking forward to heari
4、ng from you. 我们盼望着收到你的来信。The children are looking forward to your visit. 孩子们都盼望着你的到来。,【注意】该结构中的to是介词，不是不定式符号，所以其后接动词时要用动名词形式，而不用动词原形。（8）look into意为“调查；研究；了解”。如：Well look into that right away.我们会马上调查那件事的。（9）look like意为“看起来像”。如：He looks like your brother.他看上去像你哥哥。,（10）look out有如下含义：1）意为“向外看”。如：Dont lo
5、ok out of the window.别往窗外看。2）意为“注意；当心；小心”。如：Look out!Theres a car coming!当心!有辆汽车来了!,（11）look over意为“审阅；翻阅；打量；检查”。如：Would you mind looking over my exercises? 请你帮我检查一下我的练习题好吗?He looked her over and nodded lightly.他上下打量她，然后微微点了点头。（12）look up意为“查阅；查找”。如：Look up this word in the dictionary.在词典里查查这个词吧。,2.
6、 as a result作为结果；因此【点拨】as a result意为“作为结果；因此”，表示某种情况或行为所带来的后果，通常单独使用。如：He works hard at his lessons. As a result, he can pass all the exams.他努力学习功课。因此，他可以通过所有的考试。,【延伸】as a result of与as a result仅一词之差，意为“作为的结果；由于”，后接名词或名词性短语，表示原因。如：As a result of warning, nobody was hurt.由于得到了警告，因此没有人受伤。,3. be replace
7、d by被所取代【点拨】be replaced by意为“被所取代”，replace的常见用法还有：replace.with.，意为“用代替”。如：The broken chair was replaced by a new one. 那把坏椅子被一把新椅子取代了。,1. Developments in printing made it possible to produce books more quickly and cheaply. 印刷术的发展使更快更便宜地生产书本成为可能。【点拨】此句中，主语为Developments in printing，谓语为made，it为形式宾语，poss
8、ible为宾语补足语，真正的宾语为to produce books more quickly and cheaply。归纳来说，此句型结构为：主语+谓语+形式宾语it+形容词+动词不定式（真正的宾语）。如：,I found it exciting to go hiking on weekends. 我发现周末去徒步旅行是令人兴奋的。Why do you think it very important to stop smoking? 为什么你觉得戒烟是非常重要的？,2. A much larger amount of information can be stored in more vari
9、ed forms on the Internet than in books. 网络可以比书储存更大量、更多样化的信息。【点拨】（1）a large amount of意为“大量的”，修饰不可数名词，相当于a good/great amount/deal of, much等。（2）in the form of意为“以的形式”。,3. .but it was the invention of the World Wide Web that made it really useful to people. 但是，是万维网的发明使它变得对人们确实有用。【点拨】这是一个强调句型，被强调的部分是the
10、invention of the World Wide Web。强调句的基本结构为：It is/was+被强调部分+that/who+句子的其他成分，其中的it没有实际含义。被强调部分可以是主语、宾,语或状语。若被强调的是人，且为句子主语时，用who或that皆可；若被强调的是其他成分，则一律用that引导。强调句型的判断方法是将It is/ was. that/ who去掉，若剩下的主干完整，即为强调句型。如：It was on a cold morning that I was born. 我是在一个寒冷的早上出生的。It is his mother that/who prepares the meals. 是他母亲做的饭。,4. .so not all people can afford them.所以，并不是所有的人都能买得起它们。【点拨】在英语中，all, both, every, everyone, everything, everybody, everywhere等和否定词not或no连用时，表示部分否定，而非全部否定。若表示全部否定，要用none, neither, no one, nothing等。如：Not every person likes living in the cities.并不是每一个人都喜欢住在城市。,
