二陈汤的功用是()
A.燥湿化痰,理气和中
B.理气化痰,清胆和胃
C.清热化痰,理气止咳
D.清热化痰,宽胸散结
E.燥湿行气,软坚化痰
参考答案:A
请你根据透镜对光线的作用特点完成下面的光路图.
——Hi, Mike.Any idea where Mary is?
——She ____ in the classroom.I saw her there just now.
A.shall be
B.should have been
C.must be
D.might have been