题目

They always lay     a large supply of tinned food in winter in case they are snowed up. A. out    B. off  C. in   D. with 答案:C 总体有编号为001,002,…,599,600的600个个体组成.利用下面的随机数表选取60个个体,选取方法是从随机数表第8行第8列的数8开始向右读,则选出来的第5个个体的编号为______. (下面摘取了随机数表第7行至第9行) 84 42 17 53 31 57 24 55 06 88 77 04 74 47 67 21 76 33 50 25 83 92 12 06 76 63 01 63 78 59 16 95 55 67 19 98 10 50 71 75 12 86 73 58 07 44 39 52 38 79 33 21 12 34 29 78 64 56 07 82 52 42 07 44 38 15 51 00 13 42 99 66 02 79 54
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