1. Living things needs air.

2. Key sentences重点句子

… just (already) have/ has +p.p …　

…haven't/ hasn't + p.p…yet.　

Have/ Has + …+p.p +…yet?

Ability goals能力目标

Enable students to read and write a story about space travel.

Learning ability goals学能目标

Help students learn how to read and write a story about space travel.

Teaching important/difficult points教学重难点

How to read and write a story about space travel.

Teaching aids教具准备

Some pictures or a projector.

Teaching procedures and ways教学过程与方式

Step I Revision and lead-in

Check the homework. Talk about space travel.

T: Looking up the sky, we can see the sun, the moon and stars in the sky. But what is the sky like? We didn’t know until we have traveled in space. With the development of science, our dream of space travel has come true.

T: Please look at the picture on page 20. What can you see?

S: A spacecraft.

T: Yes, we have sent some spacecraft into universe. What is in the universe?

Help to answer and write down some important words.

S: The sun, the earth, the moon, and some stars.

S: And 9 planets. They are called the solar system.

S: Galaxy.

…

T: Well done. We have known so many words about the space. Please write them down.

Show the following.

galaxy, planet, solar system, star, universe

T: Can you put these words and expressions in order: from small to large?

Check the answers and ask students to read the words.

StepⅡReading

T: Boys and girls. We’ll read a passage about the life on other planets. First please look at Part 2. There are four titles. (Go through with students) 　Please read the passage and choose the best title.

Then ask students to read the passage again and check the true statements in part 4.

Check the answers. After that, ask students to work in groups and discuss the questions in part 5. Sample answers to part 5:

1. Word &phrases

planet, alone, also, part, light, beyond,

2.　　　 Ask students to write a short passage to introduce space travel.

Period 2 Reading and writing

Target language目标语言

1.　　　 Ask students to learn the new words and expressions in this unit.

3. Has it reached Mars yet?

T: In these sentences we can find the structure: have / has +pp. Can you find more sentences like these in the passage? We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important.

Show the following. 　 　　 EXAMPLES: I have seen that movie twenty times. I think I have met him once before. There have been many earthquakes in California. Has there ever been a war in the United States? People have traveled to the moon.

Step III Pronunciation and speaking

Play the recording. Ask students to underline the words the speaker stresses. Then check the answers. Then ask students to read after the recording and repeat the sentences.

Speaking

T: We have known much about space travel in this class. Can you write down things we've done and the things we haven't done yet about space travel?

Check the answers with the class.

Sample answers:

　We've sent astronauts to the Moon.

　 We haven't sent astronauts to Mars.

　 …

Then ask students to exchange the things they wrote and check who has the longest list.

Step IV Homework

2. I haven't heard about this yet.

1. I've just heard the news on the radio about the space mission to Mars.

2. Have we discovered if there is life on Mars yet?

Play the tape for the first time. Ask students to answer.

Sample answers:

1. Yes, it has.

2. No, we haven't.

T: Now listen again. This time please underline the new words of this passage.

After listening, ask students to discuss in groups and try to explain them in English.

Sample words:

Mars: a planet in solar system

mission: task

discover: to find

…

T: Please listen to the recording for the last time and answer the questions in 4.

Play the recording. Then check the answers.

After this, ask students to repeat after the recording. Then read in pairs.

Then ask students to finish activities 5 and 6. Check the answers.

Sample answers to activity 6:

Something you’ve borrowed this week:

　 I’ve borrowed some books about space travel this week.

　 I’ve borrowed a map of the world this week.

Something you’ve done recently:

　I’ve finish reading a novel about an astronaut recently.

　I’ve received three letters from my friends recently.

A model of something you have seen:

　 I’ve seen a model of Zhang Heng’s seismograph.

　 I’ve seen a model of spacecraft in Science Museum.

Something scientists have discovered:

　 American scientists have discovered that some plants are able to correct mistakes in their own genetic (遗传的) material.

Then show the following and tell students something about the present perfect tense.

1. Has the spacecraft read Mars yet?