根据句意及首字母提示补全单词。 1. We should learn from
题型：填空题
问题：
根据句意及首字母提示补全单词。
1. We should learn from the space h_____, Yang Liwei.
2. He has p_____ his courage in the battle.
3. I'm afraid the m_____ is away on business.
4. For i_____, the less exercise you take, the fatter you will be.
5. Germs are so t_____ that we can only see them by microscope (显微镜).