We are going to some cities in ____.[ ]
A.the south
B.a south
C.southern
D.south
答案:D
下列计算结果正确的是( )
A.3x+2y=5xy
B.3m2n+4mn2=7m2n2
C.-x2-x2=0
D.6a-7a=-a
该病的辨证分型是:
A.热秘
B.气虚秘
C.冷秘
D.气秘
E.以上都不是