储备型仓库的内部布置重点是（）A．尽可能减少物品储存时间 B．增加物品储存的流动性

根据对话内容，完成下面短文，使其意思完整，首字母已给出。

Bill:  We'll have a school concert this Sunday. I can only play the drums.

Mike: l can play the piano and the guitar, but I can't sing. Who can sing?

Jack: I can sing and dance, and I can also play the violin.

Bill: OK, the concert will begin at 8:00 p. m. We must get to the school auditorium at 4:00 p. m.

Mike and Jack: OK, bye.

     Bill, Mike and Jack are talking about the school (1) c______. Jack can sing and (2) d______ and he can

also play the (3) v______. Mike can't (4) s______well, but he can play the (5) p______ and the (6) g______.

Bill can (7) o______ play the (8) d______. He asks them to get to the school (9) a______ 4:00 p.m. The

(10) c______ will begin at 8:00 p.m.

某个原子的质量为ag，设N_A为阿伏加德罗常数的数值，则该原子的相对原子质量是[ ]

A．aN_A

B．

C．

D．

采购物品的分类模块中，对“瓶颈物品”描述正确的有（）

A.高的支出水平

B.低的支出水平

C.供应商数量很少

D.供应商数量很多

E.对公司的影响很大

液氯产品质量指标符合什么标准？

“人的高贵超过了天使的高贵”是一句西方名言，与这句名言有同样价值取向的是（）

A.“认识自己，方能认识人生”

B.“人为善，人恒敬之，天道佑之，福禄随之”

C.“人的命运主要由他自己创造的”

D.“没有目标而生活，恰如没有罗盘而航行”