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[主观题]
A.SC AVG(Grade)B.SC AVG(DISTINCT Grade)C.AVG(Grade)FROM SCD.SCAVG(DISTINCT Grade)FROM
A.SC AVG(Grade)
B.SC AVG(DISTINCT Grade)
C.AVG(Grade)FROM SC
D.SCAVG(DISTINCT Grade)FROM SC
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A.SC AVG(Grade)
B.SC AVG(DISTINCT Grade)
C.AVG(Grade)FROM SC
D.SCAVG(DISTINCT Grade)FROM SC
第3题
炖是将原料改刀后,放入汤锅中加入调料,先用旺火烧开后改小火烧至原料酥烂即好的一种方法。()
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