1. 根据英文释义或首字母提示写出单词。

1. （1） The earth is one of the p in the solar system.

3. （2） His grandfather has high blood p.

5. （3） The government plans to c more jobs for young people.

7. （4）  the red liquid (液体)that flows through the bodies of humans and animals.

9. （5）  a kind of hard black mineral(矿物)that is found below the ground and used to produce energy.