Unit 4　Astronomy:the science of the stars

Period 3　语言运用课

学习目标

　　1.Introduce a visit to the moon and train students' reading ability.

　　2.Accumulate common knowledge about astronomy through the author's experience,self-directed study and cooperation.

　　3.Be interested in astronomy by expressing yourself in English.

学习过程

　　Ⅰ.Reading activity

　　浏览文章内容,把握阅读速度;结合插图,猜测文章大意。

　　Task 1 Fast reading

　　1.Read the passage carefully and then describe the three ways in which gravity changed for Li Yanping.

The way gravity changed Left the earth (1) In space (2) On the moon (3) 　　

2.Read the passage carefully and then describe how his weight changed.

The weight changed Left the earth (1) In space (2) On the moon (3)

Task 2 Careful reading

　　1.It will not be as strong a pull as the earth's.

　　(1)翻译本句　。

　　(2)在as...as...结构中第一个as是　　　　(词性),因此后面可以跟　　　　、　　　　;第二个as是　　　　(词性)。

　　2.But when I tried to step forward,I found I was carried twice as far as on the earth and fell over.

　　(1)翻译本句

　　(2)通过本句总结倍数的表达方式:

Ⅱ.Writing