阅读理解。
Here's the content (目录) of a book.
1. If you're interested in music, you can read "_______".
A. National sports
B. Sad movies
C. The planets
D. Weather service
2. You can leam something about weather in _______.
A. Unit l
B. Unit 2
C. Unit 3
D. Unit 4
3. Words about _______ are in Unit 5.
A. music stars
B. weather conditions
C. sports tools
D. space news
4. In all the units, you can leam the skill of _______.
A. predicting by title
B. understanding attitude
C. understanding main ideas
D. guessing meaning of new words