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【单选题】
已知某8位嵌入式计算机系统采用6位7阴极型数码管作为输出设备,接口电路如下图所示,其中 PS 0 , PS 1 来自地址以及写控制信号的译码,若要使从第3个7段数码管显示数字5,则需选寄存器和位选寄存器分别输出什么数据( )A.
0x12,0x8
B.
0x79,0x8
C.
0x6d,0x37
D.
0x6d,0x8
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【简答题】The Nobel Prize in Literature in 2012 was awarded to Mo Yan and his books ____(sell) well around the world.
【单选题】Efficiency in distribution systems around the world has led to
A.
increased world trade.
B.
decreased world trade.
C.
decreased international competition.
D.
reduced standards of living around the world.
【单选题】People all over the world like football. [ ]
A.
around the world
B.
all around the world
C.
over the world
D.
all the world
【单选题】据微信在腾讯全球合作伙伴大会上发布的《2017微信数据报告》显示(9月),微信日登录用户数量是?
A.
日登录用户9.2亿，较去年增长7%
B.
日登录用户9.02亿，较去年增长17%
C.
日登录用户1.15亿，较去年增长177%
【单选题】English is popular around the world _________computers. [ ]
A.
from
B.
into
C.
for
D.
around
【单选题】据微信在腾讯全球合作伙伴大会上发布的《2017微信数据报告》显示(9月),微信日发送消息次数为?
A.
日发送消息次数6800万，较去年增长22%；
B.
日发送消息次数380亿，较去年增长22%
C.
日发送消息次数380亿，较去年增长25%
【单选题】Around the world, more and more people are _________ dangerous sports activities, because life in modern societies has become safe and boring.
A.
taking out
B.
taking off
C.
taking part in
D.
taking care of
【单选题】开环传递函数G(s)H(s)= ,当k增大时,闭环系统( )
A.
稳定性变好,快速性变差
B.
稳定性变差,快速性变好
C.
稳定性变好,快速性变好
D.
稳定性变差,快速性变差
【单选题】开环传递函数G(s)H(s)= ,当k增大时,闭环系统( )。
A.
稳定性变好，快速性变差
B.
稳定性变差，快速性变好
C.
稳定性变好，快速性变好
D.
稳定性变差，快速性变差
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