语言謇涩，病因多属
A．热扰心神B．痰火扰心C．风痰阻络D．心气不足E．心气大伤
参考答案：C
Lillian said memorizing the words of pop songs helped _________.[ ]
A.a lot of
B.lot of
C.a little
D.a little of
下列四个图中，力对物体做功的是 [ ]
A.
B.
C.
D.
