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【判断题】
当线路上将使用较多日光灯及其他感性负载时,一般将许多电容器集中在一起接到线路上,对整个线路进行补偿,以提高经济效益。A.
正确
B.
错误
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【简答题】Most people spend up to 90 percent of their time indoors, therefore indoor air quality __________ their health condition.
【简答题】When people are caught with fatal diseases, such as liver cancer, , most people would spend a great amount of money to save the patient in vain because there is no effective cure so far. Some thin...
【简答题】医院感染按获得病原体的来源分为 和内源性感染A. 外源性感染
【简答题】按病原体来源不同，医院感染可分为____和____。
【简答题】医院感染按获得病原体的来源分为 和
【单选题】Most people spend up to 90 percent of their time indoors, therefore indoor air quality _________ their health condition.
A.
is liable to
B.
is critical to
C.
is attributable to
D.
is inclined to
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