运动生理学的研究方法，主要是通过（）来观察分析各种机能活动变化的规律。
A、人体实验
B、动物实验
C、人体实验和动物实验
参考答案：C
Java语言的类型是
A．面向对象语言
B．面向过程语言
C．汇编程序
D．形式语言
-Though radio and television are ____ popular in the world today, I think the TV is ____ useful.
--Of course, on TV we can see and hear what is going on home and abroad.
A．more, less
B．very, more
C．more, more
D．very, less
