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问题 单项选择题

下列选项中对间接资料的来源描述正确的是（）。

A.内部间接资料和外部间接资料

B.定性调研和定量调研

C.终端信息采集和数据挖掘

D.专项市场调研

答案

参考答案：A

单项选择题

After abdominal surgery, a client is reluctant to turn in bed. Which of the following interventions would be most appropriate

A. Remind her that she must follow her doctor’s orders.
B. Tell her family to encourage her to turn.
C. Allow the client to turn when she wants.
D. Explain the importance of turning to the client.
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多项选择题

液相色谱法中的梯度洗脱是按—方程序连续改变（）。

A.流动相配比

B.流动相极性

C.载液的流速

D.组分的分离度
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