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问题 单项选择题

假设是两个变量之问的关系假定，如假设“男女失业者在得到同样多的货币福利后，其求职行为有所区别”，属于( )。

A．肯定式假设

B．常规式假设

C．解释式假设

D．条件式假设

E．差异式假设

答案

参考答案：E

选择题

生态破坏的直接表现主要是（  ）

A．水土流失和荒漠化日趋严重

B．森林锐减和草原退化

C．水源枯竭，水质下降

D．泥石流多发、旱涝频繁
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单项选择题

The nurse is providing care for a pregnant client. The client asks the nurse how she can best deal with her fatigue. The nurse should instruct her to

A．take sleeping pills for a restful night's sleep.

B．try to get more rest by going to bed earlier.

C．take her prenatal vitamins.

D．tell her not to worry because the fatigue will go away soon.
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