开关柜出厂试验，分、合闸线圈及合闸接触器线圈的绝缘电阻不应小于（）MΩ。
A.10
B.20
C.30
D.40
参考答案：A
Jonny, I can't believe how much you have changed! You _____ at least one foot! [ ]
A. grow
B. grew
C. have grown
D. are growing
对金额、出票日期、收款人名称进行更改的票据，为无效票据。( )
