春九年级英语下册 Unit 4 Life on Mars（第4课时）Grammar教案 （新版）牛津版-（新版）牛津版初中九年级下册英语教案.docx

Unit 4 Life on Mars
第四课时　Grammar
◇目标导航◇
类别
课时要点
重点单词
circle vi.& vt.围绕;将……圈起来
agreement n.一致,同意
possibility n.可能性
doubt n.疑惑,疑问
stranger n.外来者,陌生人
重点短语
with the help of sb在某人的帮助下
go into the space 进入太空
move to 移居到……
work hard 努力工作
make the dream come true 使梦想成真
be different from 与……不同
the same as 与……一样
hear from 收到……的来信
重点句型
1.Neil Armstrong received his student pilot’s licence when he was 16.尼尔·阿姆斯特朗16岁的时候拿到了学生飞行员执照。
2.People might float in space because the gravity is low.因为重力小,人们可能会在太空中漂浮。
3.Humans cannot survive if there is no food,water or oxygen.如果没有食物、水或氧气,人类就不能生存。
4.The smell of the pills reminds them that food on the Earth is tasty.药片的味道使他们想起地球上的食物是美味的。
5.Are they sure that space travel will be very fast?他们确信太空旅行将非常快吗?
教学重点
1.让学生掌握四会的单词、短语及句型。
2.让学生掌握状语从句与简单句之间的转换。
3.让学生掌握宾语从句与简单句之间的转换。
4.让学生掌握定语从句与简单句之间的转换。
教学难点
让学生能用介词短语把状语从句、宾语从句与定语从句转换成简单句。

◇教学过程◇
预习指导
一、方法指导
分析Page 56~58的例句,熟悉复合句改为简单句的用法,并尝试完成后面的练习。
二、预习检测
Ⅰ.汉译英
1.疑惑,疑问　doubt　 
2.外来者;陌生人　stranger　 
3.在某人的帮助下　with the help of sb　 
4.进入太空　go into the space　 
5.移居到……　move to　 
6.努力工作　work hard　 
7.使梦想成真　make the dream come true　 
8.与……不同　be different from　 
9.与……一样　the same as　 
10.收到……的来信　hear from　 
Ⅱ.根据句意及汉语提示完成单词
1.His opinion is in 　agreement　(一致) with mine. 
2.Walk a short 　distance　(距离) and there you are. 
3.There is one 　possibility　(可能性) of changing the job. 
4.The spacecraft will 　circle　(围绕) around the Moon twice. 
5.The boy followed the 　aliens　(外星人) to see where they were to go. 
课堂教学
Step 1 情景导入
1.老师给出三种不同的从句,让学生思考其他的表达方式。
(1)If there is no fresh food,meals will not be as tasty as they are today.
Without 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.
It would be funny to play football on Mars because the gravity is low.　 

(3)Scientists are in agreement that living on Mars would be possible for humans in the future.
Scientists agree that living on Mars would be possible for humans in the future.　 

(4)Mars is a planet which has no air.
Mars is a planet with no air.　 

2.小组合作,相互检查答案,全班核对答案。
Step 2 完成教材Part A的任务
1.阅读Page 56的说明与例句,体会状语从句如何改为简单句。
2.小组合作完成Page 56的练习,相互检查答案,并全班核对答案。
限时训练
将下列状语从句改为简单句
1.I could swim when I was eight years old.
I could swim at the age of eight.　 

2.He went home after he finished his work.
He went home after finishing his work.　 

3.He was late for school because it rained heavily.
He was late for school because of the heavy rain.　 

4.You cannot enter the cinema if you don’t have a ticket.
You cannot enter the cinema without a ticket.　 

Step 3 完成教材Part B的任务
1.阅读Page 57的说明与例句,体会宾语从句如何改为简单句。
2.小组合作完成Page 57的练习,相互检查答案,并全班核对答案。
限时训练
将下列宾语从句改为简单句
1.The photos remind me that I travelled to the UK five years ago.
The photos remind me of my trip to the UK five years ago.　 

2.Are you certain that Tom is satisfied with the plan?
Are you certain about Tom’s satisfaction with the plan?　 

Step 4 完成教材Part C的任务
1.阅读Page 58的说明与例句,体会定语从句如何改为简单句。
2.小组合作完成Page 58的练习,相互检查答案,并全班核对答案。
限时训练
把下列定语从句改为简单句
1.Do you know the girl who is holding two books in her hand?
Do you know the girl with two books in her hand?　 

2.The man who wears a blue shirt is our English teacher.
The man in a blue shirt is our English teacher.　 
板书设计
1.(1)receive的用法。
receive作及物动词,意为“收到,拿到”。
(2)辨析receive与accept。
①receive 意为“收到”,指客观上收到或拿到,但主观上不一定会接受。
②accept 意为“接受”,指主观上愿意接受。
2.agreement作名词,意为“同意;协议”,短语in agreement意为“同意;(意见或感情)协调,一致”。其动词形式为agree,意为“同意;赞成”。disagree作动词,意为“不同意,不赞成”。
agree的相关搭配:
agree to (a plan) 同意(计划)
agree to do 同意做
agree with sb 同意某人的意见
agree on/upon/about sth 就某事取得一致意见
3.strangers作名词,意为“陌生人”,也可指“外地人,异乡人”,是可数名词,有复数形式。其形容词形式是strange,意为“陌生的;奇怪的”。
◇教学反思◇
本课时老师从已学知识入手,引导学生进一步步入正题,然后通过大量的实例来引导学生发现其中的规律,使学生不至于感觉太枯燥、乏味。老师通过详细的讲解以及举例,让学生更好地掌握本课时的精华。老师在举例时应该多列举一些学生身边易接触的事情,在语法教学时力求增加句子的主动性,这样可以让学生更容易地接受和掌握所学的知识。