九年级英语下册 Unit 4 Life on Mars Grammar教学设计 （新版）牛津版-（新版）牛津版初中九年级下册英语教案.doc

Unit4 Grammar
教学
目标
1．知识与技能
Using adverbial clauses or simples sentences
Using object or simple sentences
Using defining relative clauses or simple sentences.
2．情感、态度与价值观
Helping the students to indentify and list the differences lives between earth and Mars.
重点
难点
1、重点
Master conversion between simple sentence and complex sentence.
2、难点
To use and transform the clauses into simple sentences correctly
教学
方法
task-based approach
教学
用具
Multi-Media

Teaching procedures:

二次备课
Step 1 Lead in (导入新课)
1.Presentation
Show some sentences on the blackboard and get students to recognize the types of these sentences.
（教学目的：激活学生的旧知，以旧带新，降低难度）
1. If there is no fresh food, meals will not be as tasty as they are today.
2. It would be funny to play football on Mars because of the low gravity.
3. Scientists are in agreement that living on Mars would be possible for humans in the future.
4. Mars is a planet which has no air.
(教学目的：呈现三种不同的从句，让学生思考其他的表达方式)
2.Check the answers
KEYS：
--1.Without fresh food, meals will not be as tasty as they are today.
--2. It would be funny to play football on Mars because the gravity is low
--3. Scientists agree that living on Mars would be possible for humans in the future.
--4. Mars is a planet with no air.
(教学目的：核对答案，引出本节课的三种从句的转换)

Step 2：Part A
Using adverbial clauses or simple sentences.
（教学目的：学习状语从句与简单句的转换）
1.We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without.
Neil Armstrong received his students pilot’s licence when he was 16.
Neil Armstrong received his students pilot’s licence at the age of 16.
People might float in space because the gravity is low.
People might float in space because of the low gravity.
Humans cannot survive without food, water or oxygen.
Humans cannot survive food, water or oxygen.
2.Practice
Ask students to do exercise of Part A. Explain the requirement of the exercise.
Daniel is writing about visiting about visiting another planet. Help him rewrite the sentences using the words in brackets.
Step 3：Part B
Using object clauses or simple sentences
（教学目的：学习宾语从句与简单句的转换）
1 .We can rewrite some object clauses in simple sentences with prepositions like of and about.
The smell of the pills reminds them that food on the Earth is tasty.
The smell of the pills reminds them of the tasty food on the Earth.
Are they sure about space travel will be very fast?
Are they sure about the fast speed of space travel?
2. Ask students to do exercise of Part B. Explain the requirement of the exercise.
Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millie’s sentences using the words in brackets.
Step 4：Part C
Using defining relative clauses or simple sentences
（教学目的：学习定语从句与简单句的转换）
1.       We can rewrite some defining relative clauses in simple sentences with prepositions like with and in.
People might live in houses which have huge comfortable rooms.
People might live in houses with huge comfortable rooms.
On Mars you might see people who wear special boots.
On Mars you might see people in special boots. 
2.       Practice
Show ten sentences on the screen. Ask students to change them into the sentences that have relative clauses. Ask them to do the exercises on their own and then check the answers in the whole class .
（教学目的：巩固练习，强化本节课所学的知识）
Step 5： Extension activity
Extension activity
Last Wednesday, Mr. Chen took his class to the Space Museum. There  1  many things about space there. First, the children saw a film about space travel. They saw  2  the space shuttle took off in space and later landed on earth  3  . It  was very exciting and the children felt they were traveling in space  4  !
　   After the film, Mr. Chen took  5  to see some models of rockets  6  the space shuttle. The models looked very real, but they were much 7  . Then the children saw some moon rocks. Two 8  landed on the moon in 1969. They put an American flag there. Then they took some rocks back to the  9  .
　 　10  the children left, they also watched a video show about people living and working in a space lab. The people could stay in the space lab for months.
1. A. is　　　　  B. are　　　 　  C. was 　　　　  D. were
2. A. how 　　　 B. what 　　　   C. when　　 　　  D. which
3. A. too 　　　  B. already 　　  C. again　 　　    D. badly
4. A. itself　     B. ourselves 　  C. oneself　 　    D. themselves
5. A. their　　   B. them 　　　　 C. they　　　　   D. theirs
6. A. or　　　　  B. but　　　　　 C. and　　　　　 D. then
7. A. small　 　  B. smaller　 　   C. big　　　　　 D. bigger
8. A. Americans　 B .Englishmen　 C .Australians　   D. Chinese
9. A. moon 　    B. star 　　　　  C. earth　　　  D. sun
10. A. After　 　 B. As soon as　   C. Until 　　　  D. Before

（KEYS：DACDB  CBACD）

布 置作 业
1.完成《课课练》第五课时。
2.完成9B 《初中英语读本》阅读一篇
板 书
设 计
9B Unit4  Life on Mars
Grammar
People might float in space because the gravity is low.
-----People might float in space because of the low gravity.
Are they sure about space travel will be very fast?
-----Are they sure about the fast speed of space travel?
People might live in houses which have huge comfortable rooms.
------People might live in houses with huge comfortable rooms.
On Mars you might see people who wear special boots.
------On Mars you might see people in special boots. 

教 学反 思