化简5（x2－3）－2(－3x2+5)=．

主题匹配（共5小题；每小题2，满分10分）

阅读下面5段语言材料，从A到F选项中找出与它们相对应的标题。

小题1:You should say “Thank you” when someone gives you the food on the table, when someone keeps the door open for you, when someone says you have done your work well, or you have bought a nice thing, or your city is very beautiful.

小题2:Kitty is a 12-year-old girl. She wants to be a dancer. Every day she dances for two hours. She always has some bread and milk for breakfast. She eats many vegetables and fruits. She doesn’t eat much meat. She wants to keep fit.

小题3:When you learn English, the most important way is to use it. You can keep a diary every day. Try to speak English as often as you can. Never be shy. You can practice speaking it with your classmates and your teachers in or after class.

小题4:On Children’s Day an American woman took her little son to Zhongshan Park. There were too many people there. The woman couldn’t find her son soon, she had to ask the police for help. With the help of the policeman, she found her son at last. She thanked the police very much.

小题5:Some people say that laughter is the best medicine. Scientists are beginning to agree with this. Many doctors believe that laughter helps us get better when we are sick.

服务项目的管理方法主要有( )的应用。

A．项目生命周期

B．项目过程

C．项目的知识领域

D．项目进度控制

E．项目管理工具

甲房地产开发公司(以下简称甲公司)与乙建筑工程公司(以下简称乙公司)签订了工程承包合同，由乙公司承建甲公司开发的W商场，总建设投资为5亿元。甲公司向商业银行申请了年利率为5.6%的开发贷款3亿元，贷款期为1年。乙公司于2005年6月正式开工建设。合同规定建设期为12个月。乙公司对该建筑工程所有险种都投了保，保险双方事先约定了保险的最高赔偿限额，但保险标的实际价值要待保险事故发生后进行估算。在建设过程中，一场暴雨使商场外门廊地基发生了塌陷事故，但建筑主体并没有受到影响，责任鉴定结果为暴雨导致地基发生沉降引起的塌陷。此事故在保险承保范围内，保险公司对乙公司进行了赔付。商场建成后，甲公司将商场首层商铺进行销售，成交均价达到了20000元/m²。

甲公司与乙公司签订的合同属于( )。

A．有偿合同

B．无偿合同

C．要式合同

D．单务合同

抗代谢药物

A．代谢性酸中毒
B．代谢性碱中毒
C．呼吸性酸中毒
D．呼吸性碱中毒
E．低钙血症

虚拟施工管理主要包括（）。

A、场地布置方案优化

B、协同设计

C、专项施工方案优化

D、关键工艺展示

E、土建主体结构施工模拟

F、装修效果模拟