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问题 单项选择题 A1/A2型题

患者，女性，53岁。多饮、多食、多尿伴消瘦半年。实验室检查：空腹血糖增高，尿糖阳性。初诊：代谢性疾病。拟进行甲状腺素、血清C肽及胰岛素测定，选择以下最佳的测定方法是（）

A.免疫放射分析

B.放射免疫分析

C.荧光免疫技术

D.免疫电泳技术

E.酶免疫技术

答案

参考答案：B

解析：放射免疫分析抗体限量，定量标记抗原和待测抗原竞争限量抗体，属于竞争性免疫分析，其敏感性高、特异性强、精密度要高于酶免疫技术，常用于各种激素和药物的测定。荧光免疫技术多用于检测胰岛细胞抗体。

单项选择题

In the United States, the first day nursery was opened in 1854. Nurseries were established in various areas during the (91) half of the 19th century; most of (92) were charitable. Both in Europe and in the U. S. , the day-nursery movement received great (93) during the First World War, when (94) of manpower caused the industrial employment of unprecedented numbers of women. In some European countries nurseries were established (95) in munitions (军火)plants, under direct government sponsorship. (96) the number of nurseries in the U.S. also rose (97) , this rise was accomplished without government aid of any kind. During the years following the First World War, (98) , Federal, State, and local governments gradually began to exercise a measure of control (99) the day nurseries by (100) them and by inspecting and regulating the conditions within the nurseries.
The (101) of the Second World War was quickly followed by an increase in the number of day nurseries in almost all countries, as women were (102) called upon to replace men in the factories. On this (103) the U. S. government immediately came to the support of the nursery schools, (104) $6,000,000 in July, 1942, for a nursery school program for the children of working mothers. Many States and local communities (105) this Federal aid. By the end of the war, in August, 1945, more than 100,000 children were being cared (106) in day-care centers receiving Federal (107) Soon afterward, the Federal government (108) cut down its expenditures for this purpose and later (109) them, causing a sharp drop in the number of nursery schools in operation. However, the expectation that most employed mothers would leave their (110) at the end of the war was only partly fulfilled.

A．unanimously

B．sharply

C．predominantly

D．militantly
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单项选择题

以下程序的输出结果是
int f()
stadc int i=0；
int s=1；
s+=i；i++；
return s；

main()
int i，a=0；
for(i=0；i＜5；i++)a+=f()；
printf(“%d\n”，

A．；
A) 20

B．24

C．25

D．15
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