同病异治的实质是( )
A.证同治异
B.证异治异
C.病同治异
D.证异治同
E.病同治同
参考答案:B
______ at failing in the math exam, John wouldn’t like to talk about it to his parents.
A.Disappointed
B.To be disappointed
C.Disappointing
D.Having disappointed
我国现行的农历如何置闰?()
A、“十三月”法
B、8年3闰法
C、19年7闰法
D、400年97闰法