藿香正气散中藿香,一药而兼两用,是指既能_________,又能_________。
参考答案:外散风寒;内化湿滞
________ his lessons , he failed in the exam.
A.Not reviewing
B.Having not reviewed
C.Not reviewed
D.Not having reviewed
列车挤道岔,未构成一般C类以上铁路交通事故的,列为()事故。
A.一般A类
B.一般B类
C.一般C类
D.一般D类