閱讀下面的材料，然后根據(jù)材料內(nèi)容回答所提問題。
You may have known several kinds of police, traffic police and street police. But have you ever heard of energysaving (節(jié)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 (空調(diào)) 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.
小題1:What do the energy-saving policemen usually do in Beijing?
_________________________________________________________
小題2:How much electricity will be saved in one summer if everyone in Beijing sets their air conditioning at 26℃?
_________________________________________________________
小題3: Has China planned to reduce energy usage by 20% by 2011?
_________________________________________________________
小題4:Why did Beijing hold a show on energy-saving technology and products?
_________________________________________________________
小題5:Who is Liu Qianguang?
_________________________________________________________

小題1:They go around the city to see the use of energy in public places.
小題1:400 million kilowatt-hours of electricity will be saved.
小題1:Yes, it has.
小題1:To introduce the public to a green life.
小題1:He is an environmental engineer in Beijing.
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