按规定，容量在（）MW及以上电网正常运行时，频率的偏移不得超过±0.2HZ
A.5000
B.3000
C.10000
D.1500
参考答案：B
—The dish is delicious!
—Well, at least it's _____ the one I cooked yesterday. [ ]
A. as good as
B. worse than
C. as well as
D. as bad as
下列数字不属于组6的号码是（）
A、123
B、259
C、343
D、418
