食管癌病人进食前要（）
A．低脂饮食
B．试验饮水
C．少量多餐
D．牛奶
E．过热饮食
参考答案：B
解析：
防止呛咳发生。
当需求计划为重点项目时怎么跟踪查询？
Which of the following statements regarding a futures trade of a deliverable contract is FALSE()
A. The long is obligated to purchase the asset.
B. The short is obligated to deliver the asset.
C. Equilibrium futures price is known only at the end of the trading day.
