流注初起时內治时可以合用的是（）
A.十全大补汤
B.黄连解毒汤
C.托里消毒散
D.五神汤
E.二陈汤
参考答案：B, D
The bus was due to __________ at 5 p. m.，but it arrived one hour late due to __________ by the heavy fog.
A．arrive; be held up
B．arrive; being held up
C．arriving; be held up
D．having arrived; having been held up
城市污水不经过处理排入水体后，由于氮磷钾含量增加，藻类繁殖，溶解氧减少，鱼类死亡，这类污染一般称为( )。
A．有机污染B．生物污染C．热污染D．富营养化污染
