Results The times of active avoidance reaction, passive avoidance reaction and spatial exploration ability of AD rats in smoking group significantly decreased(P<0.01) compared with nonsmoking group.
结果吸烟组主动回避能力和被动回避能力及空间探索能力较不吸烟组明显下降（P<0.01）；
Christmas Allegedly Christmas tree first appeared in ancient Rome in mid-December Saturnalia, the German missionary Nikos in the 8th century AD, dedicated to El nino using P-trees.
圣诞树据称，圣诞树最早呈现在古罗马12月中旬的农神节，德国布道士尼古斯在公元8世纪用纵树供奉圣婴。
Christmas Allegedly Christmas tree first appeared in ancient Rome in mid-December Saturnalia, the German missionary Nikos in the 8th century AD, dedicated to El nino using P-trees.
圣诞树据称，圣诞树最早呈现在古罗马12月中旬的农神节，德国布道士尼古斯在公元8世纪用纵树供奉圣婴。
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