导入稿件在源稿库中的操作是（）执行的功能。
A.记者
B.栏目编辑
C.系统管理员
D.网站站长
参考答案：A
It's high time you had your hair cut; it's getting ________. [ ]
A．too much long
B．much too long
C．long too much
D．too long much
多重共线性
