最不适于超声波检查的器官是（）
A.肺
B. * *
C.前列腺
D.甲状腺
E.肝
参考答案：A
—What did she do yesterday afternoon?
—_________.
A. She read books in the library.
B. She goes to the library.
C. Yes, she
下列属于相对性状的是（ ）
A．家兔的长毛和粗毛
B．豌豆的绿粒和皱粒
C．鸡的单冠和玫瑰冠
D．狗的白毛和猫的黑毛
