亚硝酸钠最大用量为（）A、0.10克/公斤B、0，15克/公斤C、0.12克/公斤D_爱下问搜题

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问题单项选择题

亚硝酸钠最大用量为（）

A、0.10克/公斤

B、0，15克/公斤

C、0.12克/公斤

D、0.20克/公斤

答案

参考答案：B

选择题

Mark was a student at this university from 1999 to 2003, _____ he studied very hard and was made
chairman of the Students' Union.

A. during which time
B. for which time
C. during whose time
D. by that time

单项选择题

贴现银行需要资金时持未到期的票据向其他银行办理贴现的行为称为（）。

A.贴现

B.转贴现

C.再贴现

D.以上选项均不正确