强制戒毒工作由( )主管.
A.卫生部门
B.民政部门
C.公安机关
D.强制戒毒所
参考答案:C
解析:强制戒毒工作由公安机关主管.
一个圆锥体,底面积是6平方米,高是2米,它的体积是______立方米.
Instead, he seemed to see Tom ’s face, with the wide smile he ______ whenever he told a joke.
A.wore
B.brought
C.appeared
D.carried