Step 1　 Review 第一步 　复习(时间:10分钟)

1. (师生共同谈论理想，并探讨火星等太空知识，导入新课。)

T:　　　 Morning, boys and girls!

Ss:　　　 Good morning, sir/madam!

T:　　　 What are you going to be when you grow up, S₁?

S₁:　　　 I’d like to be a teacher.

T:　　　 A good job. What about you, S₂?

S₂:　　　 I want to be an astronaut. I can travel to space by spaceship and discover something new about space.

T: What a great dream! Our country has launched two manned spaceships. In 2007, we sent up our country’s first lunar probe. In the future, the astronauts from China will fly to Mars to explore it. Do you know anything about Mars?

Ss:　　　 No.

T:　　　 OK, let’s learn it from Section C.

录音机/音乐磁带/火星和罗马战神的图片/听力任务幻灯片/多媒体

3. Learn something more about Mars.

2. Review the passive voice.

1. Learn the new words and expressions:

storm, search, dry, base on

　 It’s diameter is 53% as long as that of the earth.

2. Homework:

要求学生替Kangkang写一封回Uncle Stephen的电子邮件，内容包括谈论志向及自己探索太空的梦想。

板书设计：

1. (教师引导学生根据本单元的话题和语言知识，进行综合探究活动。)

T: We have known that China will take part in the space flight to Mars. The space industry has become the focus of our society. What have we done to study the universe? Say something you know.

S₂₇: Shenzhou V was sent into space in 2003. Yang Liwei was the first astronaut to travel in spaceship in China.

S₂₈: Fei Junlong and Nie Haisheng traveled in Shenzhou VI in 2005.

S₂₉: China sent up the first lunar probe-Chang’e Ⅰ.

…

T: Thank you for telling me so much about it. Please look for more information on Internet or books about space. Write it down on a piece of paper and put it on the blackboard. Then we can exchange information with each other. And last time, after learning Section D of Topic 2, we had a task to design our own invention. Now it’s time for you to report it to the class. What’s your invention?

S₃₀: I designed a model plane …

S₃₁: I made a car …

T: I’m very glad to see and hear your inventions. Everybody has a dream about the future. Let’s share our dreams together.

(时间允许的话，就组织大家谈论自己的理想。)

4. (播放2录音，让学生完成2。)

T: Let’s listen to the tape. Then you give the right order.

(2) The pet pig should be taken to the hospital.

(4) The girl will be well cared for.

(1) The watch should be repaired.

(3) These trees should be watered at once.

Step 5　 Project 第五步　 综合探究活动(时间:5分钟)

3. (出示幻灯片，根据3a短文完成填空。熟悉知识点。)

T: Boys and girls. Read this passage and fill in the blanks according to 3a.

Hi! Kangkang,

It ____ two days since we ____ on Mars. It ____ us more than two years to get here. Generally, the journey ____ well. But the living conditions ____ quite bad during the journey. We had to ____ most of the food in the spaceship. What’s ____, our water supplies were very ____. We had to ____ the use of water during those days. It ____six weeks since we ____ a proper shower. 763 days - what a long time! I often ____ my family, but the ____ and ____ on Mars are worth it!

Yours,

Uncle Stephen

(学生做完后，核对答案。)

(has been, landed, took, went, were, produce, worse, low, limit, is/has been, had, miss, excitement, risks. )

(板书)

(教师讲解这两种句型的用法，要求学生理解并模仿造句。)

T: Now please make sentences according to the sentences on the blackboard. Who would like 　 to make it first?

S₂₃: It has been two years since we learned English.

S₂₄: It has been six months since we planted the trees around our school.

S₂₅: It is ten years since I came here.

S₂₆: It is three years since my uncle went to America.