止于肱骨小结节的肌肉是（）
A.大圆肌
B.小圆肌
C.冈上肌
D.冈下肌
E.三角肌
参考答案：A
“三个代表”之间不是一个密切相关、不可分割的整体，而是孤立的、自成体系的。( )
There_____ a large number of students in the hall, and the number of the students_____ more than 3000.
A．is, is
B．is, are
C．are, is
D．are, are
