治疗风热咳嗽的首选方剂是()
A.银翘散
B.桑菊饮
C.杏苏散
D.金沸草散
E.清金化痰汤
参考答案:B
若-|x+1|-(y-1)2=0,求x2005-y2004+x2003-y2002+…+x3-y2+x的值.
2,3,5,7,11,( )
A.12
B.13
C.14
D.15