【摘要】“初二英语教学Unit17知识点”本文是编者为大家整理的初二英语知识点内容，供大家参考，希望可以给大家的学习带来帮助：

Teaching procedure of SBII B Unit17.L66… __By :Eagle

Teaching aims:

1. Learn and use new vocabulary in L66

2. Reading comprehension of the text.

3.Grammar: The appositive clause.

that when where why how

Teaching aids: projecting apparatus

Slides

Tape-recorder

Step1. Leading to the new class.

Morning everyone

As we all know. Computers are used more and more widely throughout (all over) the world. in the modern time, e.g in agriculture ,people can use computers to control the temperature in glasshouses (houses made of glasses for keeping warm). In people’s personal lives, houses can be control by a center computer .The possibility that computers will be used in every field is known to us all. It will be much more convenient to use computers in transport, in education, in health care and so on . I know that many of you have family computers at home. Now those who have computers , hands up , please.

So many of you /none of you have computers at home. It doesn’t matter that you haven’t computers. Anyway, you have computer classes at school and I believe you know how to use computers.

Now, please tell me what else you can do with computers.(what can computers be used for?)

Good. You know a lot about the use of computers. And I believe that after this class, you’ll learn more about it . Today let’s explain L66. Life in the future, please take out your English book, open to page 26.

Step 2: presentation

1. skimming

a. Question above the text.

b. The main idea of each paragraph : Match: each paragraph with a.b.c.d.e.or f.

(I’ll leave you five minutes to read the text/passage and match the main idea of each paragraph with a.b.c.d.e or f, and finish off Ex1 in P94)

paragraph 1: a. The use of computer in agriculture .

paragraph 2. b. The use of computer in personal lives and what computers can do to help people.

paragraph 3. c. People can work at home with the help of computer.

paragraph 4. d. The use of computer in transport.

paragraph 5. e. How computer will help reduce the cost in space travel.

paragraph 6. The use of computers in education health and research. (In fact, the first sentence in each paragraph is the general idea).

2. Scanning:

Listen to the tape paragraph by paragraph.

Answer the questions in each paragraph.

3.Explain the Language points

a. by/ to ----The oil price went down by 5% because of the war between America and Iraq.

b. go off =go out , die out

c. The idea that…. . The possibility that……

Apposition clause

d. by mail = in a mail. by fax = over a fax

by e-mail = in an e-mail

e. as much as

f. have sth alone I will have my hair cut short tomorrow

Step3. Retelling and discussion

1. Retelling the text according to key words.(Fill in the banks according to the text )

With the development of science and technology,

Computers are widely used ---- the world. It can be used in many -------. In----, with the help of computers, farmers can control the growing ----- of plants on the farmlands. In the -----,computers can be used for----or reducing the temperature, and also for working ----the cost. In people’s ----lives, computers can help them----- money or bills , computers can help us to ---- off the lights and by ----into the telephone, computer will----- your voice and help you turn on the----- and hot water. It will be---- for us to work at home by computer, which will come true in the near future. In space----, using computers can bring down costs---- as much as 90% ,computers can also be used in transport, -----,health and---- . In a word, computers can do what you instruct them to do.