Unit 4 Astronomy the science of the stars Language Points（2）学案
【要达成的目标】
1.The students will be able to master the important words and expressions.
2.The students wi ll be able to understand discourse markers/s entenc e connectors.
3.The students will be able to unders tand prefix and suffix.
【“教”与“学”过程】
本堂课使用的电教手段
