对非药品的广告，如保健食品、保健用品等的广告，可涉及药品的宣传。（）
参考答案：错
下列属于希氏面容的外观改变的是（）
A.面肌消瘦
B.眉头紧锁
C.脸呈铅灰色
D.眼眶凹陷
E.下颌下垂
. If law and order _____, neither the citizen nor his family is safe.
A．are not preserved
B．is not preserved
C．were not preserved
D．have not been preserved
