—Have you heard of Zhang Lili? She was seriously hurt in an accident in order to save one of her students.
—__________ good teacher!
读某地2014年月平均气温数据统计表,结合相关知识完成下题.
月份
1
2
3
4
5
6
7
8
9
10
11
12
气温/℃
1.1
2.5
10.1
16
21.3
24.6
27.9
26.9
22.9
17.1
8.8
5.8
青蛙幼体区别于成体的显著特征是( )