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【简答题】
选出入下面一段英语中______内的正确答案。 Since the time of John von Neumann, the basic conceptual model used to think about computers and programs has (1) unchanged, in (2) of many advances in both hardware and software technology. In the (3) that von Neumann proposed, the basic instruction cycle is for the processor to fetch the instruction pointed at by the program counter, (4) the program counter, and then execute the instruction. Because instructions are executed strictly sequentially, there is little inherent parallelism, and (5) opportunity to employ large numbers of processors to gain speed. 供选择的答案： (1) small (2) big (3) add (4) little (5) model (6) remained (7) style (8) increase (9) stead (10) spite (11) already (12) period (13) formula (14) decrease (15) not
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【简答题】She doesn’t talk much, but what she says makes sense.
【单选题】在标准条件下,下列反应式中能表示 CO 2 的 Δ f H m Ө (298.15K ) 的 反应式为
A.
C ( 金刚石 ) + O 2 (g)= CO 2 (g)
B.
C ( 石墨 ) +O 2 (g)= CO 2 (g)
C.
CO(g)+1/2O 2 (g)= CO 2 (g)
D.
CO 2 (g)=CO(g)+1/2O 2 (g)
【简答题】比例缩放命令的快捷键是 。
【简答题】缩放命令的快捷键是( )。
【简答题】Anddon’t forget that from an evolutionary standpoint, it makes sense thattraumatic times have a long shelf life .A. canbe remembered for a long time B. won’texpire soon
【简答题】函数 的间断点是 ,它是第 类间断点,属 型。 注意:第二个空填“一”或“二”
【简答题】函数 的间断点是( ), 它是第( )类间断点 属于( )类型
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