—It’s $50. —__（）

A.多食富含铁的食物

B.肌内注射维生素B12

C.口服硫酸亚铁

D.肌内注射右旋糖酐铁

A.多食富含铁的食物

B.肌内注射维生素B12

C.口服硫酸亚铁

D.肌内注射右旋糖酐铁

(50--51题共用题干) 患者，男性，60岁。腹部肿胀伴呕吐、停止排便5天。尿量每天400ml。查体：皮肤干燥，眼球下陷，腹膨隆，全腹叩诊呈鼓音，肠鸣音亢进。白细胞13×109／L，血清钾3：1mmol／L，血清钠l36 mmol／,，血清氯100 mmol／L 50．患者存在的电解质紊乱类型是

A.低钾血症

B.高钾血症

C.低钠血症

D.高氯血症

E.低氯血症

(50～51题共用题干) 患者，女性，l5岁。急性阑尾炎行阑尾切除术后1周。出现中下腹坠胀感。体温38.6 ℃，白细胞16X 109／L。 50．最可能的诊断为

A.阑尾残株炎

B.肠穿孔

C.肠瘘

D.盆腔脓肿

E.肛周脓肿

可以用不同的方法计算沸点升高常数。根据下列数据,分别计算CS2(l)的沸点升高常数。

(1)3. 20 g萘(C10H8)溶于 50. 0 gCS2(l)中,溶液的涕点较纯溶剂升高了1.17 K;

(2)1.0g CS2(l)在沸点319.45 K时的汽化热为351.9J.·g-1;

(3)根据CS2(I)的蒸气压与温度的关系曲线,知道在大气压力101.325 kPa及其沸点319.45 K时,CS2(I)的蒸气压随温度变化比率为3293Pa·K-1(见后面Clapeyron方程)。

下表给出了一家厂商的单位产品销售价格（单位:美元)和总成本的信息，（1)填充表中空格。（2)如果价

下表给出了一家厂商的单位产品销售价格(单位:美元)和总成本的信息，

(1)填充表中空格。

(2)如果价格从60美元下降到50美元，企业的产量选择和利润将如何变化？

The data in the following table give information about the price (in total ) for which a firm can sell a unit of output and the total cost of production.

a.Fill the blanks in the table.

b.Show what happens to the firm' s output choice and profit if the price of the product falls from$60 to $50.

男性，20岁，浮肿，尿少1周入院，既往健康。入院查血压170/100mmHg,.HR102次/分，双肺无异常，眼睑及下肢轻度浮肿，尿蛋白++，红细胞+++，血红蛋白120g/L,血钾6.5mmol/L,Bun.20mmol/L,血肌酐680μmol/L,眼底检查动-静脉轻度交叉。

50.最可能诊断：

A.慢性肾小球肾炎并尿毒症

B.急进型高血压

C.肺出血肾炎综合征

D.急性肾小球肾炎并急性肾衰

E.急进型肾小球肾炎

51.最佳治疗方法：

A.甘露醇高渗利尿

B.静脉用大剂量速尿

C.立即进行血液透析

D.静滴葡萄糖、胰岛素

E.静注钙剂

52.肾功能恢复得最慢的是：

A.肾血流量

B.肾小管分泌功能

C.肾小球虑过功能

D.肾小管浓缩功能

E.集合管分泌功能

ncy. Every morning, its people 41 into the offices and factories of America, seeking a day's work for a day's pay. One day at a time. 42 industrial giants like General Motors and IBM struggle to survive 43 reducing the number of employees, Manpower, based in Milwaukee, Wisconsin, is booming.

44 its economy continues to recover, the US is increasingly becoming a nation of part-timers and temporary workers. This " 45 " work force is the most important 46 in American business today, and it is 47 changing the relationship between people and their jobs. The phenomenon provides a way for companies to remain globally competitive 48 avoiding market cycles and the growing burdens 49 by employment rules, healthcare costs and pension plans. For workers it can mean an end to the security, benefits and sense of 50 that came from being a loyal employee.

41. [A] swarm [B] stride [C] separate [D] slip

42. [A] For [B] Because [C] As [D] Since

43. [A] from [B] in [C] on [D] by

44. [A] Even though [B] Now that [C] If only [D] Provided that

45. [A] durable [B] disposable [C] available [D] transferable

46. [A] approach [B] flow [C] fashion [D] trend

47. [A] instantly [B] reversely [C] fundamentally [D] sufficiently

48. [A] but [B] while [C] and [D] whereas

49. [A] imposed [B] restricted [C] illustrated [D] confined

50. [A] excitement [B] conviction [C] enthusiasm [D] importance