吴茱萸治疗胃寒呕吐，是因其能（）
A．温中止呕
B．助阳止泻
C．疏肝暖肝
D．理气和胃
E．散寒止痛
参考答案：A
．I really don’t know _______I kept the secret papers．
A．where was it
B．it was where that
C．where it was that
D．where was it that
绝缘工具的预防性工频耐压试验中，330KV及以上电压等级绝缘工具加压时间为（）min.
A、1
B、3
C、4
D、5
