（）要求决策管理者对客观变化做出应有的反应，是管理系统达到预期目标的主要条件。 A.

按照标识符的要求，下列选项中，( )符号不能组成标识符。

A．连接符

B．下划线

C．大小写字母

D．数字字符

阅读理解。

     International Studies (BA)

     Key features

     ● Recognizes the "global community" (国际社会)

     ● Has close connections with practical research

     ● Much of the teaching is done in small discussion groups

     About the course

     The course gives you chances to know great power polities between nation states. It will provide more

space to study particular issues such as relationship among countries in the European Union, third world

debt, local and international disagreement, and the work of such international bodies as the United Nations,

the European Union, NATO, and the World Bank.

     The course puts theories into the working of the international system with close attention to particular

countries. You will also have a better knowledge of methods of solving the international problems.

     Related (相关的) courses

     BA (Hons) Community Management

     BA (Hons) Public Policy and Management

     Employment possibilities 

     International organizations

     International business

     Earth Science (BSc)

     Key features

     ● Based on key courses and the latest research findings

     ● Pays much attention to practical skills

     ● Offers chances for fieldwork (实地考察)

     About the course

     The demand for natural resources is becoming an increasingly serious problem for the future of mankind.

Graduates in Earth Science will play an important role in meeting this demand, and in knowing the meaning

of using the natural resources.

     The course covers geography and geology. You will carry out fieldwork in the UK and possibly overseas,

and a research in an area of interest to you in the final year.

     Related courses

     BSc (Hons) Geograhpy

     BSc (Hons) Geology

     Employment possibilities

     Mineral, oil, water or other related engineering industries

1. International Studies is a course in ______.

A. international business

B. international polities

C. international systems

D. international bodies

2. After taking the course of International Studies, the students will ______.

A. know how to settle international problems

B. have a greater ability to discuss theories

C. become practical and open-minded

D. have good jobs in any international organizations

3. Earth Science, as described in the second text, ______.

A. is attractive because of the chances for fieldwork

B. pays more attention to practical skills than theories

C. is built on important courses and the results of recent studies

D. encourages students to play a role in using natural resources

4. It can be inferred that the above two texts are written for the students who ______.

A. enjoy research work

B. are interested in overseas fieldwork

C. study in the UK

D. plan to choose courses

现有A、B、C、D、E五种物质，其中A、B是单质。纯净的A呈银白色，在同类物质中，人类一直对A有着最多最广泛的应用；气体B能使带火星的木条复燃，A在B中剧烈燃烧生成固体C，同时火星四射；D的浓溶液有强烈的腐蚀性，A与D的稀溶液反应得到的产物之一是氢气，D与E发生中和反应的产物是硫酸钠和水。试回答下列问题：

（1）写出C的化学式__________。

（2）写出下列反应的化学方程式，并在括号内注明反应属于化合反应、分解反应、置换反应、复分解反应中的哪一种。

A与D反应：_________________（___________）

D与E反应：__________________（__________）

甲公司盗取了乙公司的技术秘密成果，并以自己的名义转让给了不知情的丙公司，丙公司按照该技术成果进行生产，乙公司发现后，采取的如下救济措施中，哪个不予以支持？（）

A.要求甲公司赔偿损失

B.要求丙公司停止侵害

C.要求丙公司支付使用费

D.要求甲公司停止侵害

门静脉高压症手术治疗最主要的目的是（）

A.消除脾功能亢进

B.治疗食管、胃底静脉破裂出血

C.降低门静脉压力以减少腹水

D.增加门静脉向肝灌注血流’以减少肝性脑病的发生

E.治疗门静脉血液淤滞所致的胃黏膜病变