模块3第四单元大课文学案

制作人：

李倩

单位：

新泰二中

课时：

1

——课前预习案——

1.Scan the passage quickly to answer the following questions.

1) What is the original earth’s atmosphere made up of?

2. What is the fundamental to the development of life?

_____________________________________________________

3.Which kind of life-being first appeared on the earth, plants or animals?

—————————————————————————

4. Choose the main idea for each paragraph

(   )The arrival of humans and their impact on the earth.

(   )The formation of the earth.

(   )The development of plants and animals on the earth.

(   )A widely accepted theory about the formation of the universe.

(   )The importance of water for life.

——课中探究案——

一、检查反馈，导入新课。

Have a dictation:

_____________________________________________

_____________________________________________

二、目标定位，确定重点。

1. Comprehend the text fully according to the clues.

2. Master all the phrases (20) in the text.

3. Master the important points (3). 

三、自主探究，教师点拨。

㈠1．Put the order of development of life into a time line. 

•        （ ）A  Insects and amphibians appeared.

•        （ ）B  Dinosaurs appeared.

•        （ ）C  The earth became a solid ball.

•        （ ）D  Small plants grew on the water.

•        （ ）E  Reptiles appeared.

•        （ ）F  Plants began to grow on dry land.

•        （ ）G  The earth was a cloud of dust.

•        （ ）H  Water appeared on the earth.

•        （ ）I  Shellfish and other fish appeared.

•        （ ）J  The universe began with a “Big Bang”.

•        （ ）K  Clever animals with hands and feet appeared.

•        （ ）L  Mammals appeared.

㈡  Important phrases

01._____________根据        02._____________以---开始

03._____________朝向四面八方04._____________及时，终于

05._____________冷却        06._____________在---表面

07._____________使---充满    08._____________各种各样的

09._____________也，又，还  10._____________第一次

11._____________下蛋        12._____________不同于

13._____________在过去，以往14.____________产生，分娩

15._____________遍及整个地球16._________轮到某人，接着

17._____________阻止        18._______从---释放出，漏出；

19._____________由于        20.__________取决于，依赖于

㈢ 分析下面句子的句子成分。

1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.

2. …it was not clear whether the shape would last or not.

  It was not immediately obvious that water was to be fundamental to the development of life.

3. What is even more important is that as the earth cooled down, water began to appear on its surface.

4. Why they suddenly disappeared still remains a mystery.

5. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.

㈣After reading the passage, discuss the following questions.

1. Why was the earth different from the other planets?

2. Why is it wrong to show films with dinosaurs and people together?

3. What problem is caused by human beings?

4.As a student, what little things can we do for the earth?

四、尝试演练，合作解疑。

1. We have made ___ clear that we are strongly against smoking in the office.

A. this       B. that     C. it          D. one

2. Many students in this school make ___ a rule to come to the evening classes even on Saturdays.

A. this        B .it      C. that         D. them

3. ____ we'll go camping tomorrow depends on the weather.

A. If          B. Whether     C. That          D. Where

4. ________，dear！Things won't be as bad as you think. There certainly will be chances for you.

A．Hurry up                                            B．Look up

C．Cheer up                                            D．Make up

5. I had no idea when World War Ⅱ________，so I turned to my teacher for help.

A．broke down                               B．broke out

C．broke in                                                          D．broke away

五、当堂检测，拓展延伸。

1. ------ How often do you go to the cinema?

  ------ ________，but usually twice a month.

  A. It all depends       B. Have no idea      

C. As usual           D. Not at all

2. She made ________ her task to take care of these children.

A. this                   B. that     C. one                              D. it

3.You must think of a way_____ into the dangerous areas.

A. stopping people getting

B. to stop people to get

C. to keep people getting

D. to prevent people from getting

5.We must ________ the act of cheating ________ a fair competition system.

A. prevent; creating                                  B. stop; to create

C. keep; from creating                    D. stop; creating

六、课堂小结，布置作业。

这节课学到的内容：

1.      背过20个短语

2 Collect more information about the development of life and make a poster with your group members.

               ——课后巩固案——

1. The boy ____that his cock _____ an egg yesterday.

  A. lied, lay     B. lied; laid    C. lay; lied    D. laid; lain

2. ____he can pass the entrance examination is quite uncertain.

  A. If         B. Whether    C. That       D. What

3. ____makes this shop different is that it offers more personal services.

  A. What       B. Who      C. Whatever     D. Whoever

4. As the busiest woman in Norton, she made____ her duty to look after all the other people’s affairs in that town.

  A. this       B. that        C. one          D. it

5.____days went by, he didn’t succeed in anything he had planned.

  A. With     B. When       C. As           D. While

6. It’s ____ accepted that men like playing football more than women.

  A. especially B. generally   C. simply        D. totally

9. The young dancers looked so charming in their beautiful clothes that we took ____ pictures of them.

  A. many of           B. masses of          

C. the number of      D. a large amount of

10. How the big forest fire has _____ remains to be a mystery.

  A. taken place  B. turned up C. broken out   D. broken up