心力衰竭病人应当如何控制活动量（）
A.避免一切体力活动
B.逐步增加运动量
C.活动不受任何限制
D.鼓励无氧运动
E.完全卧床休息
参考答案：B
市场营销的基础环节是（）。
A.目标市场
B.营销策略
C.营销组合
D.市场分析
A company sells its receivables but retains the risk associated with bad debts. When reviewing this company a financial analyst would adjust the company’ s debt-to-equity ratio and its accounts receivable turnover ratio:Debt-to-equity Receivables turnover ①A. Upward Upward ②B. Downward Upward ③C. UpwardDownward
A．
B．
C．
