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【判断题】
在使用GROUP BY子句进行分组查询时,SELECT 子句的输出列只能是聚合函数和分组列。A.
正确
B.
错误
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举一反三
【简答题】If the extension number is not confidential, you can ask the caller to make a note of the number in case the call gets disconnected during t_________.
【单选题】听力原文：What's the extension number of the head office? (A) It's on 5th and Main street. (B) I think it has 12 floors. (C) You should check their website. (27)
A.
B.
C.
【简答题】History as the artificial extension of the social memory ( and I willingly concede that there are other appropriate ways of apprehending human experience) is an art of long standing, necessarily so si...
【简答题】make extension of the L/C
【单选题】The correct tightening is obtained by the use of______to measure the extension given to the bolts.
A.
pressure gauges
B.
thermometers
C.
stretch gauges
D.
bridge gauges
【多选题】How do the two teams of the Lower House make extension?
A.
To make a new line of argument
B.
To provide an In-depth analysis
C.
To focus on a case study
【单选题】With the development of industry and extension of railroad network in the early 20th century in the U.S.A., there appeared ______. A. a rapid growth of cities
B.
an influx of foreign goods
C.
an increase of urban ghettos
D.
a great increase in the number of farms
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