对电源变压器各绕组电压进行测量时,其输出的空载电压值()。
A.不允许超过标称值
B.应超过标称值的10%
C.略高于标称值但不超过10%
D.允许波动±7%
参考答案:C
有人认为,神秘而深奥的哲学智慧产生于哲学家聪明的大脑,这种观点( )
A.是正确的,肯定了哲学的产生必须以聪明的大脑为基础
B.是正确的,肯定了哲学是一门给人智慧,使人聪明的学问
C.是错误的,没有认识到哲学是与生活密切相关的
D.是错误的,否认了哲学的智慧产生于人类的实践活动
When the sailors went into the old castle with _____ candles on the lonely island, they were
surprised to find its walls _____ with beautiful paintings of different times. [ ]
A. lighted; covering
C. lit; covered
C. lighted; covered
D. lit; covering