1. Unit 4 Topic 2
SectionC
光山第二初级中学 李洋

2. 2.Understand the language points.
Learning aims
1. Remember the new words and phrases.
2.Understand the language points.
3.Encourage students to explore our universe.

3. Solar
system

4. Translate them into English or Chinese.
Check words
Translate them into English or Chinese.

7. diameter (1分)
gravity (1分)

8. (尤指长途）旅行
（1分）

9. 风暴，暴风雨
（1分）

10. 1 .重，有. . .重 （1分）
2 .词性 （1分）
3 .名词 （1分）

11. 1. excitement （1分） 2. 词性（1分） 3. 形容词（1分）

12. What is this?

13. Predict the 4 statements T or F
1.Mars looks like a red ball The temperature on Mars is very high Mars is much larger than the earth Mars is too far away for us to reach.

14. Listen to the passage of Mars, then check the answers. 1
Listen to the passage of Mars, then check the answers. 1.Mars looks like a red ball The temperature on Mars is very high Mars is much larger than the earth Mars is too far away for us to reach. T F F F

16. These are actor’s lines.(台词）
You can ask like this: What is its diameter? What color is it? What is shape of Mars? How is the weather? What is the gravity on Mars? How far is it from the sun?
These are actor’s lines.(台词）

17. Discuss the crazy questions with your partner
and find the reasons in the passage Does Mars have a good climate for plants?
2.Is Mars a useful place to dry fruit?
3.Is Mars a good place for human beings to live?
4.Is Mars a comfortable place for heavy people?

18. Task1: Translate them into Chinese.
1.be named after…
2.at a distance of…
3.be closest to…
以…命名
相隔…
离…最近

19. is on earth. of the earth. 2.The gravity on the surface of Mars
1.Its diameter is 53% as wide as that
of the earth. 译：
2.The gravity on the surface of Mars
is about two-fifths as strong as it
is on earth.
它的直径是地球直径的53%宽。
火星表面的重力大约是地球表面重力
的2/3。

20. Task2 （1）合作探究
1.53% as wide as
2.two-fifths as strong as
点拨：as+ _______ as 探究：百分数/分数/倍数的表达___________ 练习：这个房间是那个房间的三分之一大。This room is________
____________ that room.
adj./adv.原级
百分数/分数/倍数+as+adj./adv.原级+as
one-third as big as

21. It has been two days since we landed on Mars. 译：
(2)合作探究
It has been two days since we landed on Mars 译：
探究：It has been + ________ + since + ________
自从我们登陆火星已经两天了。
一段时间
一般过去式的句子
=It is+一段时间+since+一般
过去式的句子

22. Exercises C
1.Your apple is about ___mine A.second threes as big B.two threes as big as C.two thirds as big as D.second thirds as big as
2.It took me two hours___the cake A.finish B.finishes
C.to finish D.finished C

23. B B 3.Bill Gates was named__his grandfather. A.for B.after C.at D.to
4.—The work should be finished in five days.
—I know, but we need___people to help us.
A.three another B.another three
C.more three D.another more B

24. What have you learned?

25. Homework
1.Write back an to Uncle Stephen for Kangkang and ask him for more information about Mars.
2.Work in pairs. Check your partner’s and use your knowledge of Mars to answer the questions for Uncle Stephen.

26. Good Bye