甲企业职工平均工资高于乙企业，而两企业职工工资的标准差又正好相等，那么（）。
A. 甲企业职工平均工资代表性大
B. 两个企业职工平均工资的代表性一样大
C. 乙企业职工平均工资代表性大
D. 无法评价哪个企业职工平均工资代表性大小
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In the area of Performance Management and Diagnostics, which feature is supported in Oracle Enterprise Manager 12C?（）
A. Search information in logs across multiple domains
B. View different log information in single console location
C. Save current performance data as baseline to be used in comparison with future data
D. Provides single dashboard across multi-tier composite applicatio
（）the concert had begun did we realize what a splendid show it was going to be.
A. No sooner
B. Only after
C. Hardly
D. Scarcely
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