某计算机系统的结构如下图所示，按照弗林(Michael J.Flynn)提出的分类法，它属于(17)，其中，PUi(i=1，…，n)为处理单元，CU为控制部件，MMj(j=1，…，n)为存储部件。该计算机(18)。
A. 单指令流单数据流计算机(SISD)
B. 单指令流多数据流计算机(SIMD)
C. 多指令流单数据流计算机(MISD)
D. 多指令流多数据流计算机(MIMD)
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A．The plane is delayed by the late arrival of some passengers.B．The plane is delayed b
A. The plane is delayed by the late arrival of some passengers.
B. The plane is delayed by some mechanical failure.
C. The weather does not allow the plane to take off.
D. The luggage of some passenger is dangerous.
A．Women are more capable of handling housework.B．It's tree that men are often physical
A. Women are more capable of handling housework.
B. It's tree that men are often physically stronger than women.
C. Women should also try to do electrical repairs.
D. Women should not do housework at all.
Who would most probably disagree with conservationists？
A. Industrialists.
B. Ecologists.
C. Businessmen.
D. Environmentalists.
防火墙把网络划分为几个不同的区域，一般把对外提供网络服务的设备(如WWW服务器、FTP服务器)放置于(9)区域。
A. 信任网络
B. 非信任网络
C. 半信任网络
DMZ(非军事化区)
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