骨折体征中下列哪项是错误的A．疼痛、肿胀 B．反常活动 C．畸形 D．弹性固定 E．

CPU主要包括（）。

A．运算器和寄存器

B．运算器和控制器

C．运算器和存储器

D．控制器和寄存器

有“学生－课程”数据库中的三个基本表：学生信息表：s(sno，sname，sex，age，dept)主码为Sno课程信息表：c(cno，cname，teacher)主码为cno学生选课信息表：sc(sno，cno，grade)主码为(sno，cno)在“查询选修课程号为2，且成绩在70分以上的所有学牛的学号、姓名和选课名称”的 SQL语句中，将使用到的表是()。

A．学生信息表s

B．学生信息表s和课程信息表c

C．学生信息表s、课程信息表c和学生选课信息表sc

D．学生信息表s和学生选课信息表sc

阅读理解。

     Alex London Research Laboratory (ALRL) is part of Alex Co., Ltd., a major Australian medicine-making

company. Opened in 1992, ALRL specialises in the development of new medicines for the treatment of heart

diseases.

     A position is now open for a Research Operations Manager (ROM) to support our growing research team

at the new laboratories in Hatfield, due to open in the autumn of 2010.

     Reporting to the Director, you will help set up and run the technical and scientific support services of our

new laboratories now under construction. You will be expected to provide expert knowledge about and be in

charge of all areas of ALRL'S Health and Safety, and to communicate (沟通) with support employees at

ALRL'S laboratories based at University College London.Working closely with scientists and other operations

and technical employees, you will manage a small number of research support employees providing services

to help with the research activities to be carried out at the new laboratories.

     Candidates (申请人) will have experience of both management and research support／technical services.

Knowledge of research operations and excellent communication skills are necessary. Education to degree level

is also desirable.

     If you are interested in this position, please send your CV (简历) to Alex London Research.

     Laboratory, University College London, Hatfield, London, W1E 6B7 or by email to ALRL@alex.co.uk.

     For more Information, please visit www.alex.co.uk.

1. What can be learnt about the new laboratories from the text? [ ]

A. They have not yet been set up.

B. They are in Hatfield, Australia.

C. They belong to University College London.

D. They are new workplaces for Australian researchers only.

2. What are the duties of a ROM, according to the text?

    a. To carry out research activities.

    b. To be in charge of ALRL's Health and safety.

    c. To help run the technical and scientific support services.

    d. To manage a small number of research support employees.[ ]

A. a, b, c.

B. a, b, d.

C. b, c, d.

D. a, c, d.

3. What does the fourth paragraph mainly talk about? [ ]

A. The technical skills of a would-be ROM.

B. The practical experience of a would-be ROM.

C. The personal information of a would-be ROM.

D. The necessary requirements for a would-be ROM.

4. What is the purpose of the text? [ ]

A. To describe the job of a ROM.

B. To provide information about ALRL.

C. To announce an open position at ALRL.

D. To make known the opening of the new laboratories.

根据相对收入假说，消费倾向在周围人群消费水平较高时候较高。（）

对整个网络资源运行进行管理的软件是（）。

A、网络操作系统

B、网络协议系统

C、操作系统

D、控制系统