仁爱版9年级上  Unit 4 Topic 3 Section B学案

一.  学习内容

1. 学习Kangkang和Maria的对话,

 2．了解有关火星的知识.

二、学习要求

1.必会生词和短语

news, flight, take part in, astronauts, admire, travel, discover, grow, cool, basic, dancer,

scientist, perform, stage, prefer, favorite, believe

More and more things will be discovered in the future.

The girl will be well cared for.

It has been two days since we landed on Mars.

It is six weeks since we had a proper shower.

 

2.必会主要句型

1.I believe more and more things will be discovered in the future.

2.Let’s work hard to make our dreams come true.

3. I think more and more things will be discovered in the future.

4. The girl will be well cared for.

5. It has been two days since we landed on Mars.

6. It is six weeks since we had a proper shower.

 

 

三、本节课的学习要点及考点

重点句型：

1. On the radio通过收音机,从广播中如:You can learn English on the radio,你可以通过收音机学英语.

类似的结构还有:on the phone 在电话里,on line在线,on TV在电视上,on the internet 在网上.

2. discover 发现(找到以前存在的东西)如:Columbus discovered America in 1492.

哥伦布在1492年发现了美洲,

invent 发明,(发明的对象是以前没有的新东西)如:

The inventor invented a lot of inventions all his life.

这位发明家一生中发明了许多的发明.

find多指偶然发现,碰到,后可接名词,复合结构或that从句如:Have you found the book you have been looking for?

你找到一直找的书了吗?

Find out指通过观察,探索发现事实的真相,真情 ,调查找出原因,或发现秘密,错误等,后一般按名词,代词或从句,如:Have you found out why he was late?

你弄清了他为什么迟到吗?

a lot 意为, “很,非常”表示程度,要句中作状语,与a great/good deal同义,如:I’m feeling a lot better now,我现在感觉好多了,thank a lot.非常感谢.

3. Prefer A to B 意为 “A和B比起来更喜欢A”  相当于like A better than B.如:  I prefer dogs to cats=I like dogs better than cats.和猫比起来我更喜欢狗

 prefer to do sth 更喜欢做某事.如:I prefer to live in countryside 我更喜欢住乡下.

4. Excitement,兴奋刺激,其动词形式为excite 兴奋.激动.形容词形式为excited兴奋的.感兴趣的(指人)或exciting令人兴奋的,使人激动的(指物)如:

Ate you excited about the exciting news? 你为那个激动人心的消息而兴奋吗?

Risk 危险,冒险,冒危险,do sth at the risk of one’s life冒着生命危险做某事.

5. Worth (用于be之后)值…..钱,相当于….价值,值得如:  The car is worth $10000,这辆小车价值1万美元.

It is worth our work.这事值得我们付出劳动.

The book is well worth reading.这本书很值得一读.(这里well不能用 very代替).

 

 

四、学习过程

（一）课前预习

1.课前预习课本P_95-96

2. .课前预习 同步练习与测试 Unit 4 Topic 3 Section B练习

3. 练一练

1. 让我们努力学习来实现我们的梦想.

2. 我相信将来会有越来越多的东西被发现.

3. 我相信将来会有越来越多的东西被发现.

4. 这位女孩将得到很的照顾.

5. 自从我们登上火星已经两天了.

6. 我们已经6个星期没像样地洗澡了.

1.I believe more and more things will be discovered in the future.

2.Let’s work hard to make our dreams come true.

3. I think more and more things will be discovered in the future.

4. The girl will be well cared for.

5. It has been two days since we landed on Mars.

6. It is six weeks since we had a proper shower.

 

 

（二）.课堂探究

情态动词+被动语态。

“Modal verb + be + P.P.”。

情态动词+ be+ 过去分词

 

(1) Humans may be cloned by scientists some day.

(2) More satellites must be sent into space.

(3) Scientific research should be done carefully.

(4) Other planets may be visited in the future.

(5) Aliens have not been seen by many people.

(6)I don’t believe aliens can be found in space.

 

（三） 提高 拓展的练习

用所给词的适当形式填空

1. I want to be a _________ (sing) when I grow up.

2. I was _________ (real) moved by what he said.

3. It is two years since he ___________ (come) here.

4. These milk smells even ___________ (bad), you mustn’t drink it any more.

5. It is worth ___________ (try) our best to work for it.

6. The aliens ______________(see) by some people.

7. She prefers __________(read) to _________(play).

8. There ___________(be) a football game this afternoon.

9. It ___________(be) weeks since he ___________(come) to China.

10. They _____________(be) in China since three days ago.

1. singer  2.really   3.came   4.worse  5.trying　6. have been seen

7. reading, playing 8. will be/is going to be 9. is/has been, came 10. have been

 

 

 

（四）自学问题记录：