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Unit 2 Will books be replaced by the Internet 导学案
学习目标
一、掌握本单元development ,spread,look through,at a time等单词和短语。(重点)
二、能读懂谈论发明创造的文章,了解发明对 ( http: / / www.21cnjy.com )人类生活的影响;能用被动语态的句子表述发明对人类的影响,并恰当使用as a result和so。(重点)www.21-cn-jy.com
自主预习
英汉互译。
1.在某人去……的路上 on one’s way to
2.look through magazines 浏览杂志
3.每次;一次 at a time
4.by hand 用手;靠手做
5.在某种程度上 in a way
6.compare… to... 把……比作……
7.wait and see 等等看;等着瞧
课堂导学
1. Every evening , my mother looks through magazines at home.21·世纪*教育网
每天晚上,我妈妈都要在家浏览杂志。
短语1:look through 快速阅读;浏览
look through在该句中,意为“快速阅读;浏览”。look through还可意为“透过……看去,穿过……看去”。21·cn·jy·com
I look through the news in the newspaper every day.2·1·c·n·j·y
我每天都浏览报纸上的新闻
We looked through the bedroom window and saw a beautiful garden. 21*cnjy*com
我们透过卧室窗户看到了一个美丽的花园。
即学即练一
单项选择
- Would you please ( http: / / www.21cnjy.com ) B the paper for me and see if there are any obvious(明显的) mistakes 【来源:21cnj*y.co*m】
- Of course I will.
A. look around B. look through
C. look up D. look into
解析:look around,意为“环顾” ( http: / / www.21cnjy.com );,look through意为“快速阅读,浏览”,look up意为“查找”,look into意为“调查”根据句意可知选B。21教育网
2. In those days , books were only produced one at a time by hand.【出处:21教育名师】
在那时候,书只能用手工每次生产一本。
短语2:at a time 每次;一次
at a time,意为“每次;一次”,多用于句末作状语,常与表示数量的词搭配使用。
Diana often lets her son answer one question at a time .【版权所有:21教育】
戴安娜经常让她的儿子一次回答一个问题
辨析:at a time与at times的区别
at a time,意为“每次;一次”。at times相当于sometimes,意为“有时,偶尔”,说明事情不止一次发生。【来源:21·世纪·教育·网】
She runs up two stairs at a time.
她一步两个台阶地跑上楼梯
He can be really bad-tempered at times.
他有时候脾气可真坏
短语3:by hand用手;靠手做
by hand,意为“用手;靠手”。做用作介词,在这里表示方式、手段,意为“通过……的方式”。
The toy was made by hand .
这个玩具是手工制成的
We prepare for the test by studying together.
我们通过一起学习来准备考试
即学即练二
单项选择
1.Don’t try to do everything at once . Take it a bit D .21cnjy.com
A. at times B. at that time
C. at all times D. at a time
解析:根据第一句句意“不要 ( http: / / www.21cnjy.com )试图一下子就把所有的事情做了。”可知,第二句表示“一次只做一点”。表示“每次;一次”用at a time。故选D。www-2-1-cnjy-com
2. Before the inven ( http: / / www.21cnjy.com )tion of the printing press , people wrote every book A hand with a pen.
A. by B. in C. on D. to
解析:句意为“在印刷机发明之前,人们用笔手写每一本书”。by hand为固定短语,意为“用手;靠手做”。故选A。2-1-c-n-j-y
3.A much larger a ( http: / / www.21cnjy.com )mount of information can be stored in more varied forms on the Internet than in books.21教育名师原创作品
更多的信息可以以不同的形式存储在因特网上而不是书上。
单词1:amount 量;数量
a large amount of ( http: / / www.21cnjy.com ) ,意为“大量的”,为固定短语,amount意为“量;数量”,通常用于an amount of , a great/large amount of , amounts of 这类结构,其后通常接不可数名词。
He made a large amount of money.
他赚了很多钱
I had not expected such an amount of praise.
我没料到会受到这么多赞扬
拓展:an mount of , a lar ( http: / / www.21cnjy.com )ge/great amount of , amounts of 修饰名词用作主语时,其谓语的数取决于amount的数。21世纪教育网版权所有
A large amount of money was spent on the bridge.
= Large amount of money were spent on the bridge.
在这座桥上花了大量资金
即学即练三
根据汉语意思完成句子
她携带大量的现金离开了
She carried a large amount of cash and went away.
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