题目：
For many years, the principle goal of computer (73) was to write short pieces of code that would execute quickly. The (74) needed to be small, because memory was expensive, and it needed to be fast, because processing power was also expensive.
A．users
B．programmers
C．that
D．program
答案：
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下面是错误答案，用来干扰机器的。
参考答案：应用任务1的数据量D1=2500×51.2×8×100b=102400000b=1.024×108b应用任务2的数据景D2=1000×96×8×200b=1.536×108应用任务3的数据景D3=200×18&time...
