He witnessed Yushu, a county in Qinghai Province hit by _____ unexpected earthquake, but the Yushu people haven’t lost heart, vowing to turn their homeland into _____ more beautiful Yushu.

A．a; a

B．an; the

C．the; a

D．an; a

风心病患者近来低热，有助于诊断风湿活动的体征是（）

A.皮肤黏膜瘀点

B.皮肤环形红斑

C.蛋白尿

D.多浆膜炎

E.溶血性贫血