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搜题
【单选题】
计算机的软件系统分为( )。
A.
系统软件和应用软件
B.
硬件系统和系统软件
C.
系统软件和操作系统
D.
操作系统和语言处理程序
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举一反三
【单选题】冯.诺依曼计算机结构的核心思想是 。
A.
控制器为中心
B.
二进制运算
C.
存储器程序控制
D.
以运算器为中心
【单选题】He was ill, ( )he went on working.
A.
but
B.
so
C.
and
D.
or
【单选题】冯. 诺依曼计算机结构的核心思想是
A.
二进制运算
B.
有存储信息的功能
C.
运算速度快
D.
存储程序控制
【单选题】______ that the demand for power continues to rise at the current rate, it will not he long before tradi-tional sources become inadequate.
A.
Concerning
B.
Ascertaining
C.
Assuming
D.
Regarding
【判断题】人工呼吸救护人吹气前应先深呼吸一口气,保证有足够的氧气进行救护。
A.
正确
B.
错误
【多选题】网络品牌识别系统包含
A.
视觉识别
B.
行为识别
C.
地区识别
D.
理念识别
【单选题】He was strong to ______ the heavy box.
A.
carry
B.
receive
C.
rise
【单选题】Hardly ______ his speech when he saw the audience rise as one.
A.
had he finished
B.
did he finish
C.
he finished
D.
he had finished
【单选题】He was strong enough to______the heavy box.
A.
carry
B.
receive
C.
rise
【简答题】A.He wants a pay rise. B.He wants better working conditions. C.He wants to get a higher position. D.He wants to travel more in his work.
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