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【简答题】
求表达式的值 -72\9/3mod(1-2*3^2)
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反馈参考答案：
举一反三
【单选题】关于OLAP和OLTP的说法,下列不正确的是
A.
OLAP事务量大,但事务内容比较简单且重复率高
B.
OLAP的数据来源与OLTP不一样
C.
OLAP面对的是决策人员和高层管理人员
D.
OLTP以应用为核心,是应用驱动的
【单选题】— Can I tell my best friend about it? — No, I don't want anyone else to know it. You _____ keep it to yourself. [ ]
A.
must
B.
need
C.
can
D.
may
【单选题】--Can I tell my best friend about it? ---No. I don’t want anyone else to know. You _________ let it out.
A.
mustn’t
B.
won’t
C.
don’t have to
D.
don’t need to
【单选题】---How can you use my computer without my permission? ---Oh, I ________to tell you. I hope you don’t mind.
A.
forget
B.
forgot
C.
had forgotten
D.
am forgetting
【单选题】—Mom, I’m afraid I can’t win the competition. —Believe in yourself, my boy, and tell yourself ______.
A.
to give up
B.
not to give up
C.
to give away
D.
not to give away
【单选题】请选择下列问题的正确回答。 В вашем городе есть детская библиотека?
A.
Нет детская библиотека.
B.
Нет детской библиотеки.
C.
Не детская библиотека.
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