第25题: [单项选择]代偿性呼吸性酸中毒() A. pH7.35,PCO265mmHg,BE+8 B. pH7.20,PCO225mmHg,BE-10 C. pH7.50,PCO245mmHg,BE+8 D. pH7.40,PCO240mmHg,BE-2 E. pH7.25,PCO270mmHg,BE+3 参考答案:A
第31题:[单选题]They have given up the hope to save their friend from drowning. A.ended
B.abandoned
C.built
D.strengthen 参考答案:B 题千意为“他们放弃了解救他们溺水朋友的希望。” 句中划线词意为“放弃”,B项abandon意为“放弃”。例句:Fearing further attacks, most of the population had abandoned the city.害怕城市进一步受到攻击,大多数人已经离开。A 项意为“结束”。C项意为“建立;加强”。D项意为“加强”。故选B。