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问题 单项选择题

资产净利率作为反映企业盈利能力的指标．其计算式为（）。

A.（净利润/平均资产总额）Xl00%

B.（净利润/平均所有者权益）X100%

C.（净利润/销售收人）Xl00%

D.（净利润/负债总额）Xl00%

答案

参考答案：A

填空题

根据音标拼写单词，使句子意思完整正确。

1. He [spendz] _____ too much time playing with them.

2. It's my first time to  _____ [ju:z] the computer

3. I usually go to bed at 9:00 but I can't go to _____ [sli:p] at once

4. He is busy _____ ['pr?ktisi?] organizing the activities

5. They are good _____ ['swim?z]

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单项选择题

测定相角误差时，应与同样条件下cosφ=1的误差接近相等。若误差相差较大，对于三相四线有功表，正相序时则稍加调整（）相元件（感性负载）的相角装置。

A.A

B.B

C.C

D.任一
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