当你告诉别人“这是我叔叔”时,应说:________( )
A:That is my uncle.
B:This is my uncle.
C:That is my father.
-34的倒数是()
All the Chinese people ____ ____ ____ our achievements.
25,21,23,25,27,29,25,24,30,29,26,23,25,27,26,22,24,25,26,28.
对这些数据编制频率分布表,其中24.5-26.5这一组的频率为( )
关于日本火山的说法,错误的是( )