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【单选题】
某公司年耗用乙材料 72000 千克,单位采购成本为 200 元,单位存货年储存成本为 4 元,平均每次进货费用为 40 元,假设该材料不存在缺货情况。则最佳进货批量为 ( ) 千克。A.
1200
B.
1400
C.
120
D.
1800
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【简答题】实际上我们俩生活得很好,又会做菜又会唱歌,多快乐的生活!
【多选题】基层民主是我国广大工人、农民、知识分子和各阶层人士在城乡基层政权机关、企事业单位和基层自治组织中依法直接行使民主权利、发展基层民主
A.
有利于提高全民的民主素养，为进一步发展民主创造了条件
B.
是发展社会主义民主的基础性工程
C.
为基层群众直接参与国家事务的管理提供了更多机会
D.
为基层群众管理基层公共事务和公益事业创造了条件
【单选题】When you enter the bookshop to find a book, you will ______.
A.
become completely absorbed in the books without realizing where you are
B.
become completely lost without any knowledge of your whereabouts
C.
become completely unconscious in the bookshop
D.
lose any sense of direction as to where you are
【单选题】When you enter a room full of people, you should look at the ceiling.
A.
Y
B.
N
C.
NG
【单选题】When you enter the lobby, you will find that ______.
A.
it is decorated with Mediterranean furniture
B.
the walls are painted in warm neutral bright colors
C.
there is a large fireplace burning all the time
D.
sunlight comes through the window in the sloping roof
【单选题】有一无限长通电流的扁平铜片,宽度为a,厚度不计,电流I在铜片上均匀分布,在铜片外与铜片共面,离铜片右边缘为b处的P点(如图)的磁感应强度 的大小为
A.
．
B.
．
C.
．
D.
．
【单选题】When you enter the supermarket, you see shelves full of goods. You walk between the shelves. You carry a shopping basket and put your food in it. You probably hear soft music as you walk. If you hear ...
A.
which customers like low fat milk
B.
which customers like slow music
C.
where customers enter the meat department
D.
where customers come from
【简答题】常用的培养基的三种凝固剂分别是( )( )( )
【简答题】使用记事本编写 Java 程序,并运行输出结果,具体的实现步骤是什么?请详细说明并写出必要的命令。
【简答题】使用记事本,完成Java程序,实现键盘输入半径(float型)输出圆的面积(int)。
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