仁爱版9年级上  Unit 4 Topic 2 Section D学案

一.  学习内容

1.学习了解全球定位系统。

2．一般过去时的被动语态。

二、学习要求

1.必会生词和短语

question, explorers, landmarks, find out, direction, as long as, problem, like, use, shape

1. be made of / from / in / by

2. be used for doing something

3. come true

4. It is said that …

5. DNA is the same in every part of your body.

6. be similar to

7. No one knows for certain.

8. They will no longer want to be our servants, but our masters.

9. as long as

10. In short, this robot is very useful to us.

2.必会主要句型

1. The early explorers found that the stars in the sky were good landmarks.

2. Using the stars ,they could find out where they were and in which direction they were going.

3. But it didn’t work so well during the rest of the time.

It can also be used to study the shape of the earth.

4. What do you think GPS will be used for in the future.

5. How did the early explorers know where they were?

三、本节课的学习要点及考点

重点句型：

18.in …direction 按/朝…方面,如:These old tombs were lined in the sane direction. 这古墓是按同一个方向排列的.That motor bike hit a truck coming in the opposite direction.那辆摩托车撞上了一个辆迎面南明来的卡车.

19.work (well)奏效,起作用,产生影响,如:The medicine worked well .药物奏效了.The plan works well.这项计划执行得好.

20.lose one’s way =get lost =be lost 迷路.如: We lost our way there ,so we had to ask a policeman for help.在那儿我们迷了路,所以只好向警察求助.

四、学习过程

（一）课前预习

1.课前预习课本P_91-92

2. .课前预习 同步练习与测试 Unit 4 Topic 2 SectionD练习

3. 练一练

1. 早期的探险者发现天上的星星是很好的路标.

2. 利用星星, 人们就能发现他们在哪, 他们正在朝哪个方向走.

3. 但在其余时间里, 这种方法就不适用了.

4. 你认为将来全球定位系统将被用来做什么?

5. 早期的探险者怎样知道他们在哪儿?

1. The early explorers found that the stars in the sky were good landmarks.

2. Using the stars ,they could find out where they were and in which direction they were going.

3. But it didn’t work so well during the rest of the time.

It can also be used to study the shape of the earth.

4. What do you think GPS will be used for in the future.

5. How did the early explorers know where they were?

（二）.课堂探究

一般过去时的被动语态.

一般过去时的被动语态: 基本形式: be的过去式 was/were + 及物动词的过去分词.

  如: when was it made?

1. 陈述句: was/were + 过去分词.

   The PRC was founded in 1949.

2. 疑问句: Was/Were + 主语 + 过去分词+ …?

   Was it made in China?

   Where was the computer made?

3. 否定句: was +not / were + not + 过去分词

   Her books weren’t stolen yesterday.

（三） 提高 拓展的练习

 ( ) 1 Please pass me another cup. This one___.
A. is broken B. is breaking C. broke D. broken
( ) 2 The story books___ by the writer in the 1960s.
A. are written B. were written
C. are writing D. were writing
( ) 3 What time ___ the door ___ every day?
A. does; closed B. does; close C. is; closed D. /; close
( ) 4 Can he ___ himself?
A. get dress B. get dressed C. gets dressed D. instead of
( ) 5 He fell from his bike and ___.
A. is hurt B. gets hurt C. got hurt D. hurt
( ) 6 Lookout, please keep away from the fire, or your trousers will__
A. burnt B. burn C. burning D. get burn
( )7 The apple___ very sweet.
A. is tasted B. taste -C. tastes D. are tasting
( ) 8 You___ more beautiful in the light blue shirt.
A. see B. watch C. look D. look at
( ) 9 What you said ___. like a good idea.
A. heard B. listened C. sound D. sounded
( ) 10 -What do you think of the TV play?
-Wonderful. It is worth___ a second time.
A. watching B. watched C. seen D. seeing

 1-5 A B C B C

 6-10 D C C D A

（四）自学问题记录：