治疗急惊风湿热疫毒证的首选方剂是（）
A.羚角钩藤汤
B.黄连解毒汤合白头翁汤
C.清瘟败毒饮
D.普济消毒饮
E.白虎汤合紫雪丹
参考答案：B
B级高速船舶是指主推进功率小于（）千瓦及以上的高速船。
A、1200
B、1500
C、1640
—I'm going to study engineering in Tsinghua University tomorrow. —______.
A．All the best in your study B．All the best with your studyC．All the best in your business D．All the best in your new job
