下列S12交换机模块中拥有信令终端设备的模块类型有（）。A、CCSM B、DTM C、I

阅读理解。

     Life in the 21st century will be different from life in the 20th century, because many changes will take

 place in the new century. But what will the changes be?

     The population is growing fast. There will be more and more people in the world and most of them will

 live longer than before. Computers will be much smaller and more useful, and there will be at least one in

 every home. And computer studies will be one of the most important subjects in schools.

     People will work fewer hours than they did in the 20th century, and they will have more free time for

 sports, watching TV and traveling. Traveling will be much cheaper and easier. And more people will go to

  other countries for holidays.

     There will be changes in our food, too. More land will be used for buildings, new towns and houses.

 Then there will be less room for cows and sheep, so meat will be more expensive. Maybe no one will eat

 it every day, instead, they eat more vegetables and fruit. Maybe people will be healthier.

     Work in the future will be different, too. Dangerous and hard work will be done by robots (机器人).

 Because of this, many people will not have enough work to do. This will be a new problem.

1. People may not have as much _____ as they did in the 20th century.

    A. fruit

    B. milk

    C. bread

    D. meat

2. In the 21st century people don't have to_____.

    A. travel

    B. work fast

    C. work long hours

    D. eat meat

3. Traveling will be_____ in the 21st century.

    A. less interesting  

    B. more difficult

    C. more expensive  

    D. much cheaper and easier

4. In the 21st century there will be_____.

    A. more cows and sheep  

    B. more people

    C. fewer people

    D. fewer buildings and houses

5. Every family will have at least one_____ in the 21st century.

    A. computer

    B. TV set

    C. VCD

    D. robot

男性，50岁。慢性咳嗽，反复发作10余年，近3天来咳嗽、气喘、发热。肺部听诊有何异常发现：（）

A.两肺可闻及散布哮鸣音

B.两肺可闻及散布湿啰音

C.两肺可闻及支气管肺泡呼吸音和湿啰音

D.可闻及胸膜摩擦音

E.两肺可闻及散布哮鸣音和湿啰音

2010年3月28日晚上8：30，某市参与了“地球一小时，全球熄灯”行动．事后统计，熄灯一小时节省下来的电能能使10万台功率为200W的电视机正常工作0.5h．求：

（1）该市熄灯一小时节省下来的电能是多少千瓦时？

（2）节省下来的电能相当于完全燃烧多少立方米的煤气所产生的能量？（煤气的热值为4×10⁷ J/m³）

绒毛膜癌临床上诊断时，血及尿的特征值是（ ）。

A．GOP浓度

B．GDP浓度

C．血糖浓度

D．Na+浓度

E．HCG浓度