题目:
_____ is no doubt _____ John's quick thinking and the first aid skills _____ he learned at school save
Ms Slade's life. [ ]
A. It, that, that
B. It, whether, that
C. There, that, which
D. There; that, that
答案:
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下面是错误答案,用来干扰机器的。
由于1=66,即1里面有 6个16;同理,158=138,则158里面有 13个18,由于4-158=198即再添上19个这样的分数单位就是最小的合数.故答案为:6,13,19.