慢性支气管炎急性发作期最常见的表现为
A．中性粒细胞增多
B．嗜酸粒细胞增多
C．咳粘脓痰，咳嗽和痰量增多
D．高热不退
E．大咯血
参考答案：C
俗称为冬眠灵的药物是
A．异丙嗪
B．氯丙嗪
C．氯苯那敏
D．甲硝唑
E．阿司咪唑
John thinks it won't be long ____ he is ready for his new job. [ ]
A. when
B. after
C. before
D. since
