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【单选题】
三相电源星形连接时,下式中( )、( )表达式符合线电压与相电压的关系为。A.
线电压超前相电压30°
B.
线电压超前对应的相电压30°
C.
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【简答题】在存货管理的ABC分析法中，将( )确定为A类。 A存货占用资金巨大，品种数量较少的 B存货占用资金一般，品种数量相对较多的 C存货品种繁多，但价值金额较小的 D存货占用资金一般，品种数量较少的
【单选题】如果存货的经济进货批量为1500件，每件进货单价为10元，资金成本率为10%，则存货占用资金的机会成本为( )元。
A.
1200
B.
1500
C.
600
D.
750
【简答题】阅读理解 You have been working hard to learn English. Do you know American kids are trying to learn Chinese? More than 60,000 American students now study Chinese. “Because of China's fast development, Chi...
【简答题】Pandas live in the forests and mountains of Southwest China. They mainly 1 bamboo, and each panda 2 a lot of bamboo every day. The area of bamboo is becoming smaller for many different 3 ,so pandas ...
【单选题】对于可能存在水库诱发地震的拟建水库，诱发地震震级大于等于()，按现行有关国家标准，需设立地震监测台网。
A.
3.50级
B.
4.25级
C.
4.75级
D.
6.00级
【简答题】根据短文，选择正确答案。 It's Sunday today. Sarah gets up at 5:30 in the morning. She eats breakfast quickly. Because her teachers will take them to a farm to help the farmers plant trees. They get on the bus at ...
【简答题】听一遍。根据你所听到的对话和问题，从A、B、C三个选项中选出正确答案。 ( )1. A. A policeman. ( )2. A. Jim. ( )3. A. By bus. ( )4. A. She's shopping. ( )5. A. Playing the guitar. ( )6. A. 15 dollars. B. A teacher...
【单选题】采用ABC控制法对存货进行控制时，应当重点控制的是( )。
A.
数量较多，占用资金较少的存货
B.
占用资金较多，数量较少的存货
C.
品种较多的存货
D.
库存时间较长的存货
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