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问题 选择题
计算：(
2
3
)2012×(-1.5)2013的结果为（　　）
A．
2
3
B．-
2
3
C．
3
2
D．-
3
2
答案

(

2
3
)2012×(-1.5)2013

=（

2
3
）2012×（-
3
2
）2012×（-
3
2
）

=[

2
3
×（-
3
2
）]2012×（-
3
2
）

=-

3
2
．

故选D．

读图填空题

消化系统是由          和         组成的。人体最大的消化腺是     ，它能分泌        ，对      有消化作用。
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单项选择题

Virtualization is an approach to IT that pools and shares (86) so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human (87) . are aligned around an application or business function. With a virtualized (88) , people, processes, and technology are focused on meeting service levels, (89) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (90) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.

A．solutions

B．networks

C．interfaces

D．connections
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