题目

Realizing ______ I had been able to accomplish, my fears of failure grew rapidly. A. so little         B. such little     C. how little     D. what little 答案:C在一个边长为1000米的正方形区域的每个顶点处都设有一个监测站,若向此区域内随机投放一个爆破点,则爆破点距离监测站200米内都可以被检测到.那么随机投放一个爆破点被监测到的概率为(  )A.π100B.14C.12D.π25
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