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九年级英语unit9课赛

发布时间:2013-12-08 11:35:53  

九年级新目标

Unit 9
When was it invented?
Section A(1a-1c) 伍一波

复习: 1865年读作 eighteen sixty-five 1998年读作 nineteen ninety-eight

1920年读作 nineteen twenty 1815年读作 eighteen fifteen
2000年读作

two thousand

2008年读作 two thousand and eight (或twenty O eight)

Inventions:

1. 2.

3.

4. 5.

Which do you think is the most important invention in the world?

What is this in English?

It is a car. When was it invented ? It was invented .

What is this in English?

It is a telephone. When was it invented? It was invented____.

When was it invented?
It was invented ________ .

TV

When was it invented? It was invented________. calculator
/k?lkjuleit?(r)/
n.计算器;

When were they invented? They were invented ______ .

personal computers

Task1Groupwork:Talk about inventions

I think the calculator was invented before/after the computer.

1b
a

Listen and match the inventions with the dates.

b

e d

1876 1885

d
a e c b

c

1927
1971 1976

Task 2: 1c Pairwork 1976

1927 1876

1971 1885 A: When was the _______ invented? B: It was invented in ______.

The passive voice. 被动语态
被动语态的构成: be动词+ (及物动词的) 过去分词

{

am (is, are) +动词过去分词 一般现在时 was (were) +动词过去分词

一般过去时

情态动词+be +动词过去分词 情态动词的被动语态

eg:
English is spoken by lots of people in the world. The flowers should be watered every day.
were planted Many trees ____ _______(plant) on the mountains every year. were invited We ____ _______(invite) to a party last Saturday evening.

练习与巩固:
用所给动词的适当形式填空。

1.Do you know when the computer was invented _________(invent) ? was built 2.When____the Great Wall____(build)? 3. I think the most important ___________ (invent) is the computer invention 4. These kinds of machines was made ________(make) in Japan. was invented 5.The car___________(invent) in 1885?

小结:
Target language: When was it invented ? It is invented in… Grammar: Passive voice

Homework:
1.Write out two conversations in Activity 1a. 2.Write out two conversations in Activity 1 c.


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