问题 单项选择题

巨大动静脉畸形栓塞术后或切除术后数小时或数天发生的临近部位的脑出血和脑水肿最可能是()

A.术后残腔血肿和脑肿胀

B.正常灌注压突破综合征

C.脑血管意外

D.脑血管痉挛

E.出血性脑梗死

答案

参考答案:B

解析:目前认为,巨大动静脉畸形栓塞术后或切除术后数小时或数天发生的临近部位的脑出血和脑水肿最可能是由正常灌注压突破综合征引起。

材料题
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.therefore

B.consequently

C.however

D.moreover