尿路阻塞癃闭的选方为
A.八正散
B.清肺饮
C.沉香散
D.抵挡丸
E.补中益气汤
参考答案:D
—Can Tom ride a horse?—_________. But his brother can.
A.No, she can’t
B.Yes, he can
C.Yes, she can
D.No, he can’t
美国亚马逊网上书店是()的全球代表。
A、B2B
B、B2C
C、B2G
D、C2C