根据所要获得信息的不同，可将问题分为（）。
A.开放式问题
B.封闭式问题
C.试探型问题
D.镜像型问题
E.指引型问题
参考答案：C, D, E
稽查特派员累计抽调时间原则上每年不超过（）。
A、一个月
B、两个月
C、三个月
D、五个月
Researchers all over the world have been seeking for determining how early infancy conceptual thinking is possible.()
A. have been seeking about determining
B. have been seeking to determine about
C. have been seeking to determine
D. have sought to determine
