病人时发低热,干咳无痰口渴欲饮,大便干结小便短少,舌红少苔脉细而数,当用何方治疗()
A.六味地黄汤
B.桑杏汤
C.沙参麦冬汤
D.清骨散
E.泻白散
参考答案:C
A bird has __________ wings. [ ]
A. one
B. two
C. three
种子园建园材料源于()无性系或子代家系