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在【】的情况下，链队列的出队操作需要修改尾指针。

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保荐机构推荐发行人证券上市，应当向中国证监会提交上市保荐书以及其他与保荐业务有关的文件，并报证券交易所备案。( )

A. 对
B. 错

一般认为，实施原型开发策略时费用重新分配对控制【】周期是最有效的。

红星酒厂为增值税一般纳税人，以生产粮食白酒为主。2006年10月份购销业务如下：外购业务： (1)从县粮库购进玉米一批，取得增值税专用发票注明税款为39000元，货物已验收入库； (2)外购低值易耗品一批，取得增值税专用发票上注明价款10000元，税额为1700元，货物已验收入库； (3)从农业生产者手中收购玉米100000元，开具收购专用发票，货物已验收入库； (4)从小规模纳税人购进机器修理用配件5000元； (5)购进煤炭100吨，增值税专用发票注明价款12000元，税额为1560元； (6)外购生产用机器设备一台，价款1200000元，增值税专用发票注明的税额为 204000元。销售业务： (1)销售给某批发站散装白酒200吨，不含税销售额600000元； (2)销售给某批发企业55度瓶装白酒25吨，每吨3456元，不含税销售额86400元； (3)销售给消费者个人39度散装白酒2000斤，每斤含税价2元，计4000元；瓶酒2箱，每箱40斤，含税价120元，计240元； (4)没收2000年包装物押金11700元； (5)本月销售白酒共收取包装物押金2340元。根据上述业务回答下列问题：本月应纳消费税税额为( )元。

A. 173006
B. 364444.78
C. 399046
D. 399111

The ups and downs of life may seem to have no predictable plan. But scientists now know there are very definite patterns that almost all people share. Even if you’’ve passed some of your "prime", you still have other prime years to experience in the future. When are you smartest From 18 to 25, according to I. Q. scores; but you’’re wiser and more experienced with increasing age. You’’re sharpest in your 20’’s. But your I. Q. for other tasks climbs. Your vocabulary at age 45, for example, is three times as great as when you graduated from college. At 60, your brain possesses almost four times as much information as it did at age 21. When are you happiest You have the best physical sense of yourself from 15 to 24; the best professional sense from 40 to 44. Before age 24, we believe that our happiest years are yet to come; over 30, we believe that they’’re behind us. A National Health Survey agrees: After age 30, we become more realistic and do not view happiness as a goal in itself. If we maintain our health, achieve professional and emotional goals, happiness will follow. When are you most creative Generally between 30 and 39, but the peak varies with different professions. Mozart wrote a symphony by age eight, and Mendelssohn composed his best known work at 17, but most of the great music was written by men between 33 and 44. Though the peak in most fields comes early, creative people continue to produce quality work throughout their lives. For the "well-conditioned mind" , there is no upper limit. At what age are you smartest, sharpest and with the best physical sense, according to the passage

A. From about 15 to 25.
B. Over 30.
C. From 45 to 49.
D. At 60.