以货易货是指（）
A.物流和商流相结合形式
B.商流在前，物流在后
C.物流在前，商流在后
D.商流迂回，物流直达
E.物流迂回，商流直达
参考答案：A
---Peter , where did you guys go for the summer vacation?
----We________ busy with our work for months, so we went to the beach to relax ourselves.
A．were
B．have been
C．had been
D．will be
李某，男，35岁。症见腹中积块，胀满疼痛，按之软而不坚，固定不移，舌苔薄白，脉弦。
（假设信息）若患者积块硬痛不移，舌有瘀点瘀斑，脉涩。宜选用（）
A.少腹逐瘀汤
B.血府逐瘀汤
C.阳和汤
D.六磨汤
E.膈下逐瘀汤
