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【简答题】
在数据库中预防死锁经常采用的两个方法是: _____________和_____________
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【多选题】罐头在杀菌冷却后必须进行检查,衡量了解其是否符合标准和卫生要求,主要的检查的项目包括( )
A.
外观检查
B.
保温检查
C.
敲音检查
D.
真空度测定
E.
开罐检查
【简答题】Unit 1 Test Two .doc
【单选题】About one-sided test and two-sided test, which of the following statement is correct?
A.
Whether to one-sided test and two-sided test should be judged in advance according to professional knowledge
B.
Whether one-sided test and two-sided test should be based on the calculation result of test
C.
one-sided test is better
D.
two-sided test is better
E.
It doesn't matter whether one-sided test and two-sided test is adopted.
【单选题】I’m ready to do all thosethings which ___more challenging.
A.
are
B.
is
C.
will
D.
will be
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