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问题 单项选择题

男性，50岁。病程6个月，左侧肢体乏力起病，逐渐出现头痛和语言笨拙。查体：眼底视 * * 水肿，左上下肢肌力4级，左下肢病理征（+）。CT检查可见颅内一低密度病灶，周围无水肿，增强后无强化。最可能的诊断为（）

A.脑脓肿

B.星形细胞瘤

C.脑出血

D.脑膜瘤

E.脑包虫病

答案

参考答案：B

单项选择题 A1/A2型题

母乳喂养应遵循的原则是（）

A.按时

B.按需

C.按量

D.按时按量

E.按时不按量
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单项选择题

Throughout the 19th century and into the 20th, citizens of the United States maintained a bias against big cities. Most lived on farms and in small towns and believed cities to be centres of (1) , crime, poverty and moral (2) Their distrust was caused, (3) , by a national ideology that (4) farming the greatest occupation and rural living (5) to urban living. This attitude (6) even as the number of urban dwellers increased and cities became an essential (7) of the national landscape. Gradually, economic reality overcame ideology. Thousands (8) the precarious (不稳定的) life on the farm for more secure and better paying jobs in the city. But when these people (9) from the countryside, they carried their fears and suspicions with them. These new urbanities, already convinced that cities were (10) with great problems, eagerly (11) the progressive reforms that promised to bring order out of the (12) of the city.

One of many reforms came (13) the area of public utilities. Water and sewerage systems were usually operated by (14) governments, but the gas and electric networks were privately owned. Reformers feared that the privately owned utility companies would (15) exorbitant (过渡的) rates for these essential services and (16) them only to people who could afford them. Some city and state governments responded by (17) the utility companies, but a number of cities began to supply these services themselves. (18) of these reforms argued that public ownership and regulation would (19) widespread access to these utilities and guarantee a (20) price.

（7）（）

A.feature

B.peculiarity

C.quality

D.attribute
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