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【单选题】
一般变压器容量不超过（）A.
250KVA
B.
500 KVA
C.
750 KVA
D.
1000 KVA
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A.
who; them
B.
its; them
C.
whose; /
D.
whose; them
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A.
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B.
胎盘的屏障作用极强
C.
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D.
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A.
对病人的恶化的系统教育及监测
B.
密切监测生命体征和高危住院患者评估
C.
统一使用预定义的呼叫标准
D.
每个病区均建立重症监护病房
E.
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