牙菌斑中结构疏松,又被称为外层的是()
A.基底层
B.中间层
C.表层
D.浅层
E.深层
参考答案:C
________ felt tired but quite happy after ________ sports meeting.
A.Every one of us ; a two days
B.Everyone of us ; the two days
C.Every one of us ; the two—day
D.Everyone of us ; the two days’
财政分配的主体是()。
A.国家
B.企业
C.居民
D.社会团体