unit3PeriodFour每课一练《学案导学设计》13-14高中英语牛津版选修7.doc

Period Four Project
基础落实
i .课文理解
This text is written mainly to.
introduce to us how to look for information on the Internet
tell us of the advantages and disadvantages of the Internet
introduce to us several news sources
warn us to be careful when surfing the Internet
What' s the difference between search engines and subject directories?
Search engines are built by humans while subject directories are a type of computer program.
There are perhaps mistakes in information found through search engines while not through subject directories.
Using subject directories takes more time than search engines.
Google is an example of subject directories.
Which of the following doesn' t need considering when you are looking for information on the Internet?
The date of the webpage.
Who wrote the webpage.
Typing the key words skilfully.
How to download the needed information.
From “Step three" we know that.
we can download any needed information we have found on the Internet
we shouldn' t copy the original words on the Internet
we must pay the authors who wrote the information we need
it' s not easy for us to find needed information
II .单词检测
1 • n.终端；终点
网状物，网络
资格
类别
改正
加号
减号
v.分类
打扰
承认；感谢
adj.具体的；特定的
紧密相关的；有价值的
in .短语检测
...in mind 记住，牢记
word关键词
be divided 分为 ，分成
that basis在此基础上，以此为依据
take...consideration 考虑(到)
a general rule 一般情况下
be sure 对