下面哪项不属于施拉姆的报刊四中理论().
A.集权主义理论
B.自由主义理论
C.社会责任理论
D.守门人理论
参考答案:D
We are working to raise money for the local homeless shelters. _______ , we are collecting clothing to offer those in need.
A.For one thing
B.Moreover
C.As a result
D.In the end
评估穿刺部位皮肤情况和静脉条件时,都应尽量选择较细较短的导管。