The World Health Organization gave a warning to the public without any ________ when the virus

of H1N1 hit Mexico in April, 2009.[ ]

A. delay  

B. effort

C. schedule  

D. consideration

中医治疗疾病的根本原则是（）。

A.因人因地制宜

B.治病求本

C.标本缓急

D.扶正祛邪

E.调整阴阳