患者，男，35岁，因高热2日未能进食，自述口渴、口干、尿少色黄。查体：口舌干燥，皮肤弹性差，眼窝凹陷，尿比重1.028，血清钠浓度为156mmol/L。首先应给予输入（）

A.3%~5%的氯化钠溶液

B.5%碳酸氢钠溶液

C.平衡液

D.葡萄糖盐水

E.5%葡萄糖溶液

I was reading Shirley Hazzard’s novel The Transit of Venus. Though I (51) her other books, I had always resisted this one. It (52) me as too pure somehow, too heroic, larger or finer than life and therefore unreal. But now I read it with an almost (53) pleasure. There were sentences that (54) of gratification to my eyes and (55) the hairs on the nape of my neck. I was in a Boston hospital, propped tip in bed with a feeding tube in my arm after (56) surgery for cancer. It was

(57) double room and my roommate, who (58) when he spoke because he had both a broken chin and a drug habit was spraying the air for the fourth or fifth time that day with (59) had a television set and a radio going (60) . The diagnosis of my case was ambiguous. When I asked the doctor the usual question-How much time have I got—he hesitated before answering. "I would say," he said, "that you have in the neighborhood of years.\

57().

A.a 

B.an 

C.the 

D.these