单 元：Unit 1 Tales of the unexplained
板 块：Word power
Thoughts on the design:
1. Learn to read a passage of something about outer space explorati on；
2. Enlarge the vocabulary by learning about some words about outer space and space exploration.
1. Understand the meaning of the speech made by the scientist.
2. Learn some new words about outer space an d space exploration.
Teaching procedures:
Step 1 Lead- in
Think about the following questions：
1. Whether UFOs really exist has puzzled US for a long time. Have you ever thought about
