确定施工流向时，工程各部位的繁简程度，哪些部位应适当靠后施工（）。
A.技术复杂
B.施工进度较慢
C.工期较长
D.体型复杂
参考答案：D
—I'll have to go to the classroom. I left my MP5 player there just now.
—You don't have to. I ________ it for you. Here you are.[ ]
A. will bring
B. bring
C. brought
D. have brought
国家食品药品监督管理局批准给申请人特定药品的标准是（）
A．中国药典
B．企业标准
C．注册标准
D．行业标准
E．炮制标准
