茯苓药材的加工方法是()
A.晒干
B.发汗,阴干
C.蒸干
D.加石灰搅拌后干燥
E.煮后晒干
参考答案:B
已知关于x的方程x2-(a2-2a-15)x+a-1=0的两个根互为相反数,则a是( )
A.5
B.-3
C.5或-3
D.1
Some don’t agree to the plan, while I’m out of ____ opposed to it.
A.those who
B.who
C.those
D.that