组织报刊面对的公众主要是( )。
A.大众B.社会公众C.特殊公众D.组织公众
参考答案:D
The system has been designed to give students quick and easy ______ to the digital resources of the library.
A.passage
B.way
C.approach
D.access
乳剂由W/O转化成O/W的现象称为
A.分层
B.絮凝
C.转相
D.合并
E.破坏