气瘿的病因是（）
A.脾失健运，痰浊凝结
B.一为忧患，二为水土不佳
C.气郁湿痰瘀血凝滞
D.忧思郁怒，湿痰凝结
E.产后，肾虚，外邪入侵
参考答案：B
Here are the photos in Beijing. [ ]
A. who are taken
B. that took
C. which l was taken
D. that were taken
运输经营者从事运输生产活动所创造的剩余价值包括()。
A．税金
B．税金和利润
C．利润
D．运输管理费
