President Hu's visit to Austria,______first by a Chinese president in 12 years,is regarded of _______

great importance to global economic situation at present.[ ]

A. a:不填    

B. the；a  

C. the；不填      

D. the；the  

躬亲实践的医德修养方法，医务人员在医德修养中应该做到（）

A.学习理论，提高认识

B.学习榜样，吸取力量

C.反躬内省，自觉改造

D.关心体贴