根据《人民警察法》第二十二条规定，人民警察不得从事营利性的经营活动或者受雇于任何个人或者组织。 ( )
参考答案：对
-- What do you think of David ?
-- There are some things that are not easy to , and his coldness is one .
A．put aside
B．put up with
C．think of
D．get along with
筛前孔和筛后孔位于（）
A.额骨内
B.筛骨内
C.蝶骨内
D.泪骨内
E.鼻骨内
