基本操作题（共4小题，第1和2题是7分、第3和4题是8分）（1）创建一个名为stud

阅读下面的材料，然后根据材料内容回答所提问题。

You may have known several kinds of police, traffic police and street police. But have you ever heard of energysaving (节能) policemen?

A group of 22 of these new policemen went to work last week in Beijing. They go around the city to see the use of energy in hotels, office buildings, shopping centers and other public places. One of their aims is to make sure that these places have set their air conditioning (空调) no cooler than 26℃.

“If everyone sets their air conditioning at 26℃, Beijing will save 400 million kilowatt-hours of electricity in one summer,” said a TV advertisement.

At the beginning of this month, China made its first action plan to fight pollution. It aims to reduce energy usage by 20% and increase renewable (可再生的) energy up to 10% from 7% by 2011.

To introduce the public to a green life, last week Beijing held a show on energy-saving technology and products.

“We want to tell people that there are certain ways to protect the environment. Each of us can find effective ways to do it in our daily life,” said Liu Qianguang, an environmental engineer in Beijing.

小题1:What do the energy-saving policemen usually do in Beijing?

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小题2:How much electricity will be saved in one summer if everyone in Beijing sets their air conditioning at 26℃?

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小题3: Has China planned to reduce energy usage by 20% by 2011?

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小题4:Why did Beijing hold a show on energy-saving technology and products?

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小题5:Who is Liu Qianguang?

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男性，84岁。长期卧床及便秘，1天前出现腹痛，不排气排便。该患者最可能的诊断为（）

A.腹膜炎

B.肠梗阻

C.结肠炎

D.肝脓肿

E.肠结核

将矿物和脉石分开的方法叫选矿。

血厥实证的常见诱发因素是（）

A.情绪紧张

B.恐惧

C.急躁恼怒

D.疼痛

E.失血过多

口头传播。