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【单选题】
在 SQL Server 中,关于数据库的说法正确的是( )。A.
一个数据库可以不包含事务日志文件
B.
一个数据库只包含一个事务日志文件和一个数据库文件
C.
一个数据库可以包含多个主要数据库文件，但只能包含一个事务日志文件
D.
一个数据库可以包含多个事务日志文件，但只能包含一个主要数据库文件
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【单选题】She ______ Mr. Brown yesterday morning, for he has gone to New Jersey On business.
A.
mustn't have met
B.
couldn't have met
C.
shouldn't have met
D.
needn't have met
【单选题】These goods are toxic,handle with caution
A.
Please take care of these flammable cargo
B.
Please take care of these oxidizing cargo
C.
Please take care of these poisonous cargo
D.
Please take care of these combustible cargo
【单选题】These goods are liable to spontaneous heating and combustion.
A.
These goods shall be kept dry.
B.
These goods shall be kept away from heat.
【单选题】Listen! Is Mr. Brown giving a report in the school hall? —It ______ be him. He has gone to Wuhan. [ ]
A.
must
B.
mustn’t
C.
can
D.
can’t
【单选题】These goods are liable to spontaneous heating and combustion
A.
These goods shall be kept clean
B.
These goods shall be kept dry
C.
These goods shall be kept away from heat
D.
These goods shall be kept away from dust
【简答题】独立人格的三要素包括:完整的人格意识、 ___________ 和自由的社会关系。
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