单项式-2a2b的系数是 ______,次数是 ______.
-2a2b的系数是-2,次数是2+1=3.
The new secretary is supposed to report to the manager as soon as she _______.
A.will arrive
B.arrives
C.is going to arrive
D.is arriving
子痰初期内治宜用()
A.萆薢化毒汤
B.透脓散
C.阳和汤
D.五味消毒饮
E.苦参汤