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【单选题】
画正等轴测图的X、Y铀时,为了保证轴间角,一般用( )三角板绘制A.
30°
B.
45°
C.
90
D.
180
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举一反三
【单选题】Which of the following statements is true according to the passage?
A.
It's great fun to live in big cities like Chicago.
B.
There are many stores and restaurants in the Merchandise Mart.
C.
It's not a good thing to have too many neighbors.
D.
There are very many tall buildings in Chicago.
【简答题】某企业每年耗用某种材料 3600 千克,该材料单位成本 10 元,单位持有成本 2 元,一次性订货成本 25 元,则 EOQ 为多少?
【多选题】What is the meaning of fun according to the author?
A.
About laughter, play and entertainment
B.
Best part of any job
C.
Not serious but important, spontaneous
D.
A balance to misery
【多选题】某企业每年耗用某种材料 3600 千克,该材料单位成本为 10 元,单位储存成本为 2 元,一次订货成本为 25 元,符合经济订货基本模型的全部假设条件,则下列说法中正确的有( )
A.
经济订货量为300千克
B.
最佳订货周期为1个月
C.
与经济批量有关的总成本为600元
D.
经济订货量占有资金为3000元
【单选题】According to the passage， which of the following factors might spoil the tourists‘ fun at Mediterranean resorts and beaches ? 查看材料
A.
Polluted water．
B.
Crowded buses．
C.
Traffic jams．
D.
Rainy weather．
【单选题】According to the author's opinion, which is correct?
A.
Happiness is different from the fun.
B.
Fun always leads to happiness.
C.
Happiness is always originated from fun.
D.
Pain is another kind of happiness.
【简答题】某企业每年耗用某种材料 3600 千克,该材料单位成本 10 元,单位储存成本为 2 元, 一次订货成本为 25 元。则计算经济订货量、相关总成本、订货次数、订货间隔期。
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