百日咳应呼吸道隔离到()
A.痉挛性咳嗽后1周
B.痉挛性咳嗽后2周
C.痉挛性咳嗽后3周
D.痉挛性咳嗽消失
E.痉挛性咳嗽消失后1周
参考答案:C
—Mike, do you want Kobe Bryant shoes or James shoes?
—Daddy, _______ I choose? I like both pairs.
A.shall
B.must
C.can
D.may
片剂疏水性润滑剂有()()()