生产经营单位应当安排用于配备劳动防护用品、进行安全生产培训的经费。
参考答案：对
Strangely, the two men look ________ alike that nearly all the people think they are twin brothers.[ ]
A. too much
B. such much
C. much too
D. so much
关系表中的每一横行称为一个______。
A．元组
B．字段
C．属性
D．码
