管材目视检测发现以下那种缺陷不予验收（）
A、分层
B、划痕
C、擦伤
D、凹坑
参考答案：A
The robber can’t escape _______ this time. We have got much evidence to prove his crime.
A．treatment
B．agreement
C．punishment
D．movement
能避免首关作用的剂型是
A．口服液B．胶囊剂C．肠溶衣片D．栓剂E．丸剂
