港务监督人员在执行调查任务时，下列述说错误的是（）。 A.应当向被调查人员出示证件

一个三位数，各位上的数的和是15，百位上的数与个位上的数的差是5，如颠倒各位上的数的顺序，则所成的新数比原数的3倍少39。求这个三位数( )。

A．196

B．348

C．267

D．429

B

Waste can be seen everywhere in the school. Some students ask for more food than they can eat and others often forget to turn off the lights when they leave the classroom. They say they can afford these things. But I don’t agree with them.

Waste can bring a lot of problems. Although China is rich in some resources (资源), we are short of(缺乏) others, for example, fresh water(淡水). It is reported that we will have no coal (煤) or oil to use in 100 years. So if we go on wasting our resources, what can we use in the future and where can we move Think about it. I think we should say no to the students who waste things every day. Everybody should stop wasting as soon as possible.

In our everyday life, we can do many things to prevent waste from happening, for example, turn off the water taps (水龙头) when we finish washing, turn off the lights when we leave the classroom, try not to order more food than we need, and so on. Little by little, everything will he changed. Waste can be stopped one day, if we do our best.

From the passage we know that some students often （）in the school.

A．eat too much

B．don’t work hard

C．waste things

D．throw rubbish everywhere

1岁男孩，高热、频繁咳嗽、阵发性喘憋5d。查体：精神差，鼻翼扇动，吸气性凹陷，两肺下野叩诊稍浊，双肺呼吸音减低，闻及少量细湿啰音。血白细胞数9．0×10／L，胸部X线片示双肺片状密度较淡阴影。最可能的诊断为（）

A.腺病毒肺炎

B.支原体肺炎

C.肺炎球菌肺炎

D.金黄色葡萄球菌性肺炎

E.呼吸道合胞病毒肺炎

智能电网调度技术支持系统基础平台的信息交互采用（）双总线设计。

A.消息总线、服务总线

B.企业总线、服务总线

C.地址总线、服务总线

D.消息总线、数据总线

清退大型会议文件时，对会议（　　）采取下发收集目录，限时交退的方法。

A．工作人员

B．与会人员

C．会议主持

D．酒店人员