During _______ trip to Yunnan, Premier Wen Jiabao stressed ______importance of water conservation projects and promised more government support．

A．the ;the

B．the；不填

C．a；不填

D．a ; the

生理情况下人体内尿酸维持着一个动态平衡，女性血尿酸浓度正常范围为（）。

A.89~357μmol/L

B.200~480μmol/L

C.150~400μmol/L

D.380~600μmol/L

E.250~700μmol/L