高二英语教学案（7）
M7 Unit 3 The world online
Welcome to the Unit Reading & Word power
Designed by Liu jianjun
Teaching aims:
Talk about topics related to the Internet and its positive and negative uses to students.
Encourage the Ss to improve readingability while focusing on language points.
Teaching important & difficult points:
Make the Ss talk about topics related to the Internet and its uses to students.
The use of some useful words and expressions.

The first period ( Welcome )
Language points (Learn and use)
1. Search for information on a variety of topics. (P33)
a variety of n．
1) [C] a different type of sth.:
The article was about the different varieties of Spanish spoken in South America.
This variety of rose is especially hardy and drought-resistant.
a variety of
2) [S] many different types of things or people:
She does a variety of fitness activities.
The equipment could be used for a variety of educational purposes.
2. Keep in touch with family members wherever you are in the world. (P33)
wherever
1) adv./ conj. to or in any or every place:
We can go wherever you like.
Wherever I go I always seem to bump into him.
All across Europe, wherever you look, marriage is in decline and divorce rates are soaring.
2) adverb used instead of 'where' to add emphasis to a phrase, usually expressing surprise:
Wherever did you find that hat!
Wherever did you get that idea!
Wherever does he get the money from to go on all these exotic journeys?
高考链接
In peace，too，the Red Cross is expected to send help _______ there is human suffering.（2006江西）
A.whoever B. however C. whatever D. wherever
Homework
1. Preview Reading in the second part on page 34-35 ( including Part A )
2. Finish off C1

The second period ( Reading 1 )

3. That is to say, I believe that the Internet has positive effects on our lives. (P34)
1)that is to say 也就是(说)，换言之，亦即
常用来进一步解释前面说过的事情。这是个固定短语，在句中作插入语。
1My boss has asked me to attend a lecture about the use of the Internet three days from now，
that is to say，on Friday．
②John is a Londoner，that is to say，he lives in London．
2)have an effect on对……有影响；对……起作用
①As we know some terrible websites on the Internet have a very bad effect on people ，
especially children．
②He is helpless and even punishment has very little effect on him．
③The present system of payment will remain in effect until the end of the rental agreement.
④When do the new driving laws come into effect?
4. The first is its value for people who are looking for information. (P34)
value n.
1) [S or U] They are known to place/put/set a high value on good presentation.
2) [U] how useful or important sth. is:
The photos are of immensehistorical value.
His contribution was of little or no practical value.
3) the amount of money which can be received for sth.:
She had already sold everything of value that she possessed.
What is the value of the prize?
This watch is good value for your money．
vt. 估计某物的价值，给某物估价；重视、珍视某物／某人 eg：
Do you value her as a good friend?
They valued the land at three million dollars．
高考链接
To make members of a team perform better, the trainer first of all has to know their
__________ and weaknesses. （2006湖北）
A.strengths B. benefits C. techniques D. values
5. acquire v．gain or obtain sth / be given sth．获得，取得,收到(某事物) eg：
We've just acquired a dog．我们刚得到一条狗。
Mr Brown acquired a fortune in the oil business．
She acquired a knowledge of French by careful study．
注意：其名词为acquirement指获得，学到；得到的东西 eg：
I appreciate your acquirements．
6. Internet users can communicate with experts on all sorts of topics，and read articles
生词表: