用来区别个性的主要心理标志为( )。
A．气质 B．性格C．能力 D．素质
参考答案：B
It is often _____ that human beings are naturally equipped tospeak. [ ]
A. said
B. to say
C. saying
D. being said
4.06立方米=______立方米______立方分米．
