川芎可用于治疗的病证是（）郁金可用于治疗的病证是（） A.风湿痹痛 B.湿热黄疸 C

Twilight City (暮光之城)is the best movie _____ I _____ in the past eight years.[ ]

A. that; have seen

B. that; saw

C. which; have seen

D. which; saw

凡是进行高处作业施工的，应使用脚手架、平台、梯子、防护围栏、档脚板、安全带和安全网等。

在一定时期内多次记录发生地同类型经济业务的原始凭证是（）。

A．一次凭证

B．累计凭证

C．汇总凭证

D．通用凭证

损益平衡点

A monopolist will expand production until:（）

A. P = MC and the price of the product will be determined by the MC curve.

B. MR = MC and the price of the product will be determined by the demand curve.

C. P = MR and the price of the product will be determined by the ATC curve.