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【简答题】
数据模型是由数据结构、数据操作和 三部分组成。
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反馈参考答案：
举一反三
【单选题】The complain against media in the reporting of criminal cases is that
A.
the way that information is presented to the public can influence opinions and outcomes.
B.
catering to profit-driven sensationalism leads to further inaccuracies.
C.
such information is necessary for proper decision-making by public leaders.
D.
far-fetched exaggerations violate the privacy of those being reported on.
【单选题】Fingerprints are used as a method of solving criminal cases because tile system of identification is ______.
A.
difficult and expensive
B.
easy and expensive
C.
simple and expensive
D.
simple and [lot expensive
【单选题】下列变形正确的是（ ）
A.
若3x-1=2x+1，则3x+2x=-1+1
B.
若 1- 3x-1 2 =x ，则2-3x-1=2x
C.
若3（x+1）-5（1-x）=2，则3x+3-5-5x=2
D.
若 1- 10x+1 6 = 2x+1 3 ，则6-10x-1=2（2x+1）
【单选题】The society is unstable, full of criminal cases, so you can't be ______ careful.
A.
very
B.
so
C.
too
D.
such
【简答题】在竞价交易市场中,竞价方式和竞价原则包括哪些?
【多选题】Which two options describe how MySQL Server allocates memory?（）
A.
Thread memory is pre-allocated up to thread_cache_size for performance
B.
Each connection may have its own per-thread memory allocations
C.
Global memory resources are allocated at server startup
D.
Each thread allocates memory from a global pool
【单选题】Which are the two main uses of a VIO server？（）
A.
Virtualize network and memory to LPARs.
B.
Virtualize network and storage to LPARs.
C.
Virtualize memory and processors to LPARs.
D.
Virtualize storage and processors to LPARs.
【简答题】若a=√5+3,则2a 3 -11a 2 +2a+1=___.
【简答题】已知A={a,3,2,4}，B={1,3,5,b}，若A∩B={1,2,3}，求a和b．
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