题目

I won't lose heart even though I fail. Because I know ________.A.practice makes perfect B.if there is a will, there is a wayC.many hands make light work D.the grass is always greener on the other side 答案:【答案】B【解析】句意:即使失败,我也不会灰心。因为我知道有志者事竟成。考查谚语。practice makes perfect熟能生巧;if there is a will, there is a way有志者事竟成;many hands make light work众人拾柴火焰高;the grass is always greener on the other side这山望着那山高。根据句意可知此处缺少关于不轻易放弃的谚语。故为调查深圳中学生平均每人每天参加体育锻炼时间X(单位:分钟),按锻炼时间分下列四种情况统计(1)0—10 分钟(2)11—20 分钟(3)21—30 分钟(4)30 分钟以上。有10000名中学生参加了此项活动,下图是此次调查中某一项的流程图,其输出的结果是6200,则平均每天参加体育锻炼时间在0—20 分钟内的学生的频率是(     )     A、3800   B、6200   C、0.38   D、0.62                                                    i=2                                    s=1                                  while i<=68 Y                                       s=s*i                                     i=i+2 N                                    wend Y                                    print s Y                       (第4题)                 (第6题)
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