未饱和可溶性盐在水中是以（）状态存在的。A、离子 B、气体 C、液体 D、分子

病历摘要：男性患者，37岁，因鼻塞，右侧头面部疼痛、肿胀1周，视物重影，右眼眶疼痛，眼球红肿，发热1天入院。体检发现：体温38℃，神志清楚，检查合作，右眼球突出，固定，活动受限，眼睑下垂，瞳孔散大，光反射消失，右眼底视 * * 水肿，左眼及眼底正常，右面部肿胀，右面部痛觉减退，角膜反射消失。右鼻孔流涕带血。

有关鼻脑毛霉菌感染的临床特点是提示：该患者经二性霉素B治疗1个月后，体温正常，头痛消失，脑脊液结果正常，患肢肌力恢复达4级，能独立行走。（）

A.病死率极高

B.毛霉菌为条件致病菌

C.多见于免疫功能低下者

D.鼻腔感染易出现黑色坏死及血性分泌物

E.二性霉素B治疗有效

F.易侵犯颅内大血管引起脑梗死

G.面部感染时局部清创最重要

H.活组织或脑脊液直接镜检有诊断意义

What is distance learning It means that you study on your own, at home or wherever suits you. Recently, the world famous Open University in the United Kingdom has designed a new style of distance learning, which is called (1) . The phrase "Open Learning" means you study (2) . You read course material, work on course activities, and write (3) . The word "Supported" means you have help (4) , the student services staff at regional centres, and centralized areas such as (5) . You can also contact other students through tutorials and (6) , the University’s online conferencing system, and events and clubs organized by (7) . Most distance learning courses use printed paper materials. They also include some (8) materials such as a CD, DVD or video. Many courses have a web site and an (9) . You’ll need access to a computer (10) to make use of these. The Open University can help its students buy a computer and (11) the cost of accessing the Internet.

With most distance learning courses, no (12) are required to study. of course, you have to be aged 18 when your course starts but there is no (13) . Currently the Open University has around (14) undergraduate and more than 30,000 postgraduate students, of which 10,000 have (15) . Nearly all students are studying (16) . About 70 per cent of undergraduate students are in (17) . More than 50,000 students (18) by their employers for their studies. Most distance learning courses (19) . Some of them are even available in other parts of the world. With over 25,000 of its students living outside the UK, the Open University is the (20) that offers distance learning throughout the world.

12（）

社区资源是指（）

A.经济资源

B.人力资源

C.机构性资源

D.社区动员潜力

E.以上都是

磁性开关的图形符号中，其常开触点部分与（）的符号相同。

A、热继电器

B、时间继电器

C、断路器

D、一般开关

霍奇金淋巴瘤最常发生的部位是：

A．纵隔淋巴结

B．腋下淋巴结

C．腹股沟淋巴结

D．腹膜后淋巴结

E．颈部淋巴结