《素问·五脏生成篇》说"多食辛"可致( )
A.骨痛而发落
B.皮槁而毛拔
C.筋急而爪枯
D.脉凝泣而变色
E.肉胝胎而唇揭
参考答案:C
Many companies in Guangdong are facing a serious labor ________ following the Rabbit Year’s Spring Festival.
A.lack
B.shortage
C.absence
D.storage
一个袋子中有8个小球,其中有4个白球和4个黑球,现从中每次任意取出一个球,8次取完,求恰好有3次连续取出白球的概率.