一般来说,学校组织的报告、讲座、集会、比赛、参观、访问、调查等活动都属于课外活动形式的_____性。
参考答案:群众
用所给词的正确形式填空。
1. This woman is _________ (Li Lei) mother.
2. The boy is _________ (cry) now.
3. Would you like some _________ (banana)?
4. I can see two _________ (woman).
5. I can see many _________ (people).
6. I'd like three _________ (bottle) of water.
7. May I have some _________ (grape)?
8. The boys and girls are _________ (child).
9. She is _________ (play) with the baby.
10. The man is _________ (read) a book.
摩氏硬度计以十种矿物的硬度表示十个相对硬度等级。