甲企业向乙企业借款，请求并先后得到丙企业、丁企业和自然人张三为其提供一般保证责任，如

已知a＜3，则下列四个不等式中，不正确的是（　　）

A．a-2＜3-2

B．a+2＜3+2

C．2a＜2×3

D．-2a＜-6

施工阶段的监理工作制度包括( )。

A．材料检验制度

B．设计交底制度

C．标底审核制度

D．图纸审查制度

E．档案管理制度

We can offer you a place at one of the best universities in Britain. We’ll provide you with a choice of 150 first class courses developed especially to enable you to study in your own time, backed by the Open University’s own special study method-OU supported open learning.

We’ll give you the support of a personal teacher, and the chance to meet your fellow students. You can take one-off courses, diplomas (毕业证), a degree or a postgraduate degree(文凭). Subjects available include: computing, business management, technology, modern languages, social sciences, English law, arts, science, mathematics, education and health﹠social welfare.

Did you know?

The OU is in the top 15% of all UK universities for teaching quality

25% of all British MBAs come from the OU

Over 30,000 employers have offered chances to their staff on OU courses

40,000 OU students are on line from home

There are 9 month courses and new diplomas as well as degrees

AMBA Accredited(合格的)

Whether you want to study to improve your jobs or for your own personal interest, there’s almost certainly a course for you. If you haven’t studied for a while, we’ll help you get started. No previous training or degrees are required, you just need a lively power of learning and a willingness to learn. It’s real value for money and you can pay by monthly payments.

Open University course materials are of the highest quality and come in a variety of forms, including video and audio tapes as well as texts. The OU leads the world in its use of new technology for learning. A number of courses provide source material on CD Rom. What else can the Open University offer you? The best way to find out is to use the coupon（折价券） below or phone us today.

57. This is an advertisement of _________.

A. inquiring (调查) English learning          B. setting Open University

C. selling books                D. attracting students

58. As a student of the Open University, you don’t need to ________.

A. buy any course materials   B. have lessons all the time at the university

C. choose which course to learn      D. pay any money for your study

59. The Open University can supply you with _________.

A. a course for training you English          B. a classroom and a library for study

C. different kinds of free instructions      D. different jobs to choose from

60. We can learn from the text that ________.

A. OU courses are popular in Britain

B. money for learning must be paid off at one time

C. we can’t telephone the university during the night

D. people can’t be employed without finishing OU courses

男性，37岁，两年前曾有双手指关节肿痛，经对症治疗后症状缓解，以后虽有关节痛，但可照常工作，未作系统检查或治疗。2个月前出现发热38℃左右、乏力，逐渐出现气短、咳嗽不明显。体检：双手中指近指节梭形肿胀，双腕功能略差，有压痛，右肘关节不能完全伸直，伸面有一个1cm×1cm皮下结节，胸X线片示右侧胸腔中等量积液，左侧胸腔少量积液，肺纹理略重，ESR56mm／第1小时末，CRP增高，RF高滴度阳性

此病人双侧胸腔积液最可能的病因是（）

A.结核性胸膜炎

B.系统性红斑狼疮

C.类风湿关节炎

D.干燥综合征

E.风湿热

单打比赛，甲方发球，第一次发球失误，第二发球明显是压线球，但发球司线员误判，这时主裁判更正错误，宣报（）

A、重发球，给予甲一次发球机会

B、重赛，给予甲两次发球机会

C、对方运动员失分

D、不予理睬，继续比赛