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问题 选择题

设集合M={x|-1＜x＜4，且x∈N}，P={x|log2x＜1}，则M∩P=（　　）

A．{x|0＜x＜2}

B．{x|-1＜x＜2}

C．{0，1}

D．{1}

答案

∵M={x|-1＜x＜4，且x∈N}={0，1，2，3}，

P={x|log2x＜1}=P={x|0＜x＜2}，

∴M∩P={1}

故选D

单项选择题

(71) In the strength of the carrier signal is varied to represent binary 1 or 0.
(72) is a system that can map a name to an address and conversely an address to an name.
(73) is a three-way handshaking authentication protocol that it’s packets are encapsulated in the point-to-point protocol
(74) is an approach that enables an ATM Switch to behave like a LAN switch.
(75) is an guided media which is made of glass or plastic and transmits signals in the form of light.

A．NAT

B．NCP

C．DDN

D．DNS
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判断题

通常情况下，作者所在的地区与文件内容涉及的地区是一致的。
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