How many ways can you think of to save energy around your house? 

Fight the Light! 

Don't leave lights on when no one is in the room. If you are going to be out of the room for more than five minutes, turn off the light. If you know of a light that everyone forgets to turn off, make a paper to hang next to the switch that says "Lights Out!" or "Don't Forget!" 

Don't Leave Things Turned On 

Turn off the TV when no one is watching it. The same goes for computers and radios - if no one use it, turn it off. 

In the Bedroom 

Turn off your electric blanket when you aren't in bed. Don't leave on your computer, TVs, radios or games that use electricity when you're not using them. 

In the Bathroom 

It’s said about 75 percent of the water we use in our homes is used in the bathroom. The way to save water and energy is to take shorter showers. 

In Your School 

The energy-saving ideas you used at home can also be used in school. Consider creating a weekly "energy monitor"—someone whose job is to make sure that machines are turned off when not being used. 

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1.If you are away for _____, you should turn off the light.

A five minutes

B less than five minutes

C just a minute

D more than five minutes

解析：选D。D 细节理解题。根据第二段第二句If you are going to be out of the room for more than five minutes, turn off the light.可知离开超过五分钟要关灯。

2.When you aren’t in the bed, you should _____.

A turn off your light

B turn off your TV

C turn off your electric blanket

D turn off your radio

解析：选C。C 细节理解题。根据第四段第一句Turn off your electric blanket when you aren’t in bed.可知选C。

3.Most of water we use in our homes is used _____.

A in the bedroom

B in the bathroom

C in the kitchen

D in the living room

解析：选B。B 细节理解题。根据第五段第一句About 75 percent of the water we use in our homes is used in the bathroom.可知大多数家庭用水是在洗手间。

4.According to this passage we know the energy monitor _____.

A makes the classroom clean and tidy

B helps the teacher to improve students’ study

C makes sure that machines are turned off when not being used

D is to make sure lights are on when there's no one in a room

解析：选C。C 细节理解题。根据文章最后一句可知能源班长会完成C项的任务。

5.This passage is mainly about _____.

A energy-saving

B wasting water

C fighting the light

D lights Out

解析：选A。A 主旨大意题。根据文章大意可知主要讲了如何节约能源。