长于治疗寒痰咳喘，胸满胁痛的药物是：（ ）
A．白芥子
B．紫苏子
C．杏仁
D．葶苈子
E．桔梗
参考答案：A
The strategies for handling risk comprise of two main types: negative risks, and positive risks. The goal Of the plan is to minimize threats and maximize opportunities. When dealing with negative risks，there are three main response strategies （），Transfer, Mitigate.
A．Challenge
B．Exploit
C．Avoid
D．Enhance
天子祭天在南郊，时间在______日。
