一般建设工程项目，由( )进行施工过程及竣工后保修期内的沉降观测工作。
A．施工单位
B．监理单位
C．业主
D．承包单位
参考答案：A
传染病疫情责任报告单位和责任报告人发现甲类传染病病人、病原携带者或疑似病人，城镇应于6小时内通过疾病监测信息报告管理系统进行报告。（）
The put-call parity relation can be adjusted for dividend payments on a stock by which of the following methods（）
A. Add the present value of the expected dividend payments to the current stock price.
B. Subtract the present value of the expected dividend payments from the exercise price.
C. Subtract the present value of the expected dividend payments from the current stock price.
