苯巴比妥中检查的中性或碱性物质为
A.苯巴比妥酸
B.酸性物质
C.中间体I的副产物2-苯基丁酰脲
D.中间体I的降解产物
E.碱溶液中不溶物
参考答案:C,D
女子在青春期,月经异常多责之于()
A.心
B.肝
C.脾
D.肾
E.肺
He hesitated for a moment before kicking the ball, otherwise he ________ a goal.
A.had scored
B.scored
C.would score
D.would have scored