2018春牛津译林版英语九下unit 4life on marsreadinga

Unit1 ReadingA 精品教案
Learning Aims
知识目标To understand the context of a future life on another planet.能力目标To recognize and understand vocabulary about life on Mars.
To recognize and list differences between life on Earth and li fe
情感目标To arouse the Ss’ awareness of misery
Main points and difficult points
learn vocabulary about life on Mars
recognize and list differences between life on Earth and life on Mars Learning procedures:
1. 自学展示
词组翻译:
(1) 难以想象 (2) 到2100年
(3) 目前 (4) 变得愈来愈拥堵，污染
(5) 以光速的一半 (6) 对初期的居住者来讲是一个问题
(7) 八分之三的 (8) 使许多人感觉不愉快
(9) 漂浮在太空 (10) 在许多方面
2. 探讨学习
Step 1: Leading in
We all know that we live on the earth. But our earth is too crowded. Can we live on a different planet? If can, which planet can we live on? And why?
Step2: Read the passage Moving to Mars on page 4 to page 5 quickly and find out the answers to the following questions:
By which year will we live on the planet Mars?(By the year 2100)
Will life on Mars be better than life on Earth?(Yes)
Food will be the same, right ? (No)
Step3: Read paragraph 1 and answer the following questions:
What is happening to our planet, Earth?
How can we solve the problem?
Read paragraph 2 and answer the following questions:
How long does it take to fly to Mars at present
How about by the year 2100? Why so fast?
Read the third paragraph and answer the following questions
What do humans need if they want to survive?
What will plants produce?
Is it sure that these plants could produce water?
Read the fourth paragraph and answer the following questions
Why will gravity be a problem for the early settlers on Mars?
The boots won’t become very f ashionable, will they?
Read paragraph 5 then ans wer the following questions:
How many bedrooms are there in a dome?
Why will people have more time for their hobbies?
Read paragraph 6 then answer the following questions:
Will there be schools on Mars?
Where can students study, do their homework and take exams?
What will every student have at home?
Read the last paragraph then answer the following questions:
(1) What will food be like on Mars?
(2) Will the journey to Mars be enjoyable?
Step 4. Please read the passage again then do exercise C2 on page 7.
3. 课堂整理
1. at the moment, at that moment, for a moment
我此刻很忙。

请稍候。

在那个时候，他仍是一名服务生。

2．by +过去时刻，一般用过去完成时
by +未来时刻，一般用未来时
到上学期末为止，咱们看了几部英语电影。

到2100年咱们将住到火星上。

3．First of all; at first
第一，你必需尽力学习。

起初他发觉英语很难，但不久就发觉它不难了。

4．large numbers of, a number of 许多的，大量的
the number of …的数量
咱们学校老师的数量是70多。

许多学生喜欢看侦探故事。

5．It takes (sb.) some time to do sth.
乘火车从北京到上海需要多长时刻？
他天天花半小时读英语。

(两种)
6. three-eights 八分之三，温习分数的表达法
咱们学校三分之二的教师是女教师。

7．To prevent this, humans on Mars have to wear special boots to make themselves heavier
制止某人做某事
使咱们笑，使她悲伤
咱们应该阻止人们污染环境。

8. in some ways /in the way /in a way在某种程度上
In many ways 在许多方面
这部电影在许多方面比那部电影出色。

从某种程度上说，独自完成家作是一个好主意。

9. connect to 与…连接起来
connect A to B 把A和B连接起来
请把第一部份和第二部份连接起来。

他的电脑已经和咱们学校的电脑连接起来了。

4．当堂练习
1. Our own planet, Earth is becoming more and more crowded and polluted. (more and more 愈来愈…)
南京正变得愈来愈美
Nanjing
.
2)这种长筒靴可能会变得愈来愈时兴。

The boots will probably become .
2. There will be many different designs for settlers to choose from. (注意动词后面的介词)
. 我不明白我有问题的时候和谁谈谈。

I don’t know whom I can when I have problems.
3. Our spacecraft are too slow to carry large numbers of people to Mar s. (注意a large number of 和the number of的区别)
.咱们学校学生的数量有2300人。

the students in our school 2300.
教跋文：。