内容正文:
Book 3 Unit 4
Words and Expressions
学习目标 Learning objectives
In this class we will
1. build up our vocabulary by brainstorming words related to the space exploration.
2. enlarge vocabulary by roots and affixes.
3. learn some important usages of the key words.
4. apply what we have learnt to exercises.
astronaut
rocket
satellite
orbit
launching tower
universe
spacecraft
spacewalk
transmit data
space suit
问题导学 Brainstorming
Words related to space exploration
1. universe
宇宙,天地万物
2. space
spacecraft
3. astronaut
4. rocket
launching tower发射塔
satellite
点拨精讲
spacewalk
space suit
Words related to space exploration
5. vehicle
Brainstorming
车辆;交通工具(总称)
运载工具
The red traffic light signals passengers and vehicles to stop.
Scientists make vehicles to carry people into space.
6. transmit
data
7. orbit
database
数据库
旅行者1号今天仍在传送数据.
Voyager 1 still transmits data today.
n.轨道;势力范围
v.绕..运行
The satellite orbits the earth every 48 hours.
the Moon’s orbit around the earth.
月