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七年级英语
(满分：100分，时长：90分钟)
一、阅读理解（共20小题，每小题2分；满分40分）
第一节阅读下面语言材料，从每题所给的A、B、C、D四个选项中选出最佳选项。
A
In summer,people depend on the air conditioners (AC)to get through the hot days.If you use the
AC in a smart way,you can save money and energy.Here are some things you need to know.
Cleaning:Before you start your AC,you
-代Adjust flaps(调整风i门)upward:-
Adjust the flaps of your AC and let the cool'wind
should clean it.The AC is full of dust and bacteria
blow up.Since cold air is heavier than hot air,the
(细菌)in spring.
cool wind will then go down and mix with the hot air.
It helps cool the room quickly.
Choose suitable AC:
Open the window from time to time:
Choose the AC according to the size of your Open the window to let fresh air enter your room
room.The larger your room is,the more powerful theevery 2 hours.
AC should be.
Set the AC at26℃：If you set the AC1
Keep the AC on:If you tum off the AC too
lower,it will use 5%more energy.
often,you might break down the machine,and more
energy will be used.
1.How do you choose the suitable AC
A.According to the season.
B.According to the country.
C.According to the room size
D.According to the temperature.
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