新译林版九年级下册英语 Unit 4 课时2 教案(教学设计)

Unit 4 Life on Mars
Reading I
1. To understand the context of a future life on another planet.
2. To recognize and understand vocabulary about life on Mars.
3. To recognize and list differences between life on Earth and life on Mars
Know something about living on Mars by reading.
Step 1.Lead-in .
Say: People have long been dreaming about livin g on Mars. There are a number of films about this topic like The Red Planet and Mission to Mars .Do you believe that humans will ever be able to live on a different planet ?
Step2. Presentation
1) Now, let’s watch some pictures about life on Earth today .Teach crowded and Polluted.
2) Say: Simon and Daniel are talking about living o n Mars. Listen and answer.
Step 3 Reading
1) Say: Daniel wants to fin d out more about life in space in the future ,here’s the article. Please open your books and turn to page4.. Before we read it, let’s deal with the new words first. Look at here, please find out these new words in the article and guess their meanings.
2) Check their answers.
Read the new words.
3) Listen to the tape and answer the following questions:
1. How long does it take to fly to Mars at present?
2.What is the gravity on Mars?
3.Where will we live on Mars?
4.How will we study, do homework and take exams?
5 What will food be like on Mars?
4) Say: Now please read the article more carefully and try to tell the following sentences T or F. If it is false, please correct the mistake.
1. By 2100, people might live on Mars. ( )
2 .Mars is becoming crowded and polluted. ( )
3. By 2100,the space shuttles can travel at half the speed of sound. ( )
4. By 2100, scientists can develop plants on Mars to get food and oxygen ( )
5 Humans on Mars have to wear special boots to make themselves lighter. ( )
6. We will have less time for our hobbies on Mars.( )
7 .Students will go to school by spacecraft. ( )
8. Space travel might make people feel ill. ( )
5) Check their answers.
6) Say: Now listen to the tape and try to find out differences between life on earth and life on Mars. Step 4Discussion
Would you like to live on Mar s? Why or why not?
Step 5 Homework-----Read the article again and again
练习检测与拓展延伸：
A.用括号中所给单词的适当形式填空
1.There isn’t any __________(problem) on Mars.
2.__________(hope)，they believe that they can win the final match.
3.It’s __________(high) possible that we’ll move to Mars in the future.
4.Daniel is thin king about what life __________ (be) like in the future.
5.Yuan Longping is one of the most famous __________(science) in China.
6.Mrs Green felt __________(comfortable) because of seven hour’s train trip.
B.用所给动词的适当形式填空
agree float give teach not go be
1.The gravity on Earth can prevent people from _________ away into the sky.
2.There __________ little space for people to stand in the future，will they?
3.Andy __________ with his sister when we went to visit him this morning.
4.Student were made __________ to the public places because of the terrible disease.
5.Look!A number of children __________ themselves different skills for physical exercises.。