The idea of daylight saving time started with an American named Benjamin Franklin (1706~1790)．He explained how a lot of the money spent on candles used for light (this was before electricity) could be saved if everyone woke up earlier and went to bed earlier.

   Even though Franklin’s idea had a clear meaning，  1  ．Who would?

   It was not until 1907 that an Englishman named William Willet came up with a way to "make" the sun set later．His idea was to turn clocks forward by 20 minutes on each of the four Sundays in April，for a total of 80 minutes．

   William’s idea was laughed at，at first．But when World War I started in 1914，   2  ．

     3 ．The more time you spend outside playing，the less time you are spending in front of the computer or the TV．These things also use energy．

    Also． 4  ．For example，China used it in 1986，but stopped it in1991．That was because the temperatures are quite different from North to South and time from East to West．

    If the people from northwest part of China use daylight saving time，sometimes they have to get up to work when it is not very bright outside．    5  ．

Still, most parts of the world do have daylight saving time，and most people look forward to the extra hour of evening light.

At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep the mall bright. Think about all the water faucets in the toilet. Think about all the air conditioning in summer. Saving energy is a hot topic for such a big place!
　　Many things at the mall use energy. Electric lights, infrared faucets and air-conditioners need electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the lights less bright. When  malls keep lights clean, they can use fewer lights and keep the area just as bright ,Using fewer lights means using less energy.
You step up to the  water faucet. The water starts to flow. You don't have to touch a thing. Why do malls have such fancy faucets?. The answer is simple. They save water. Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off.
The…
【小题1】________is a hot topic for a big mall.

At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep the mall bright. Think about all the water faucets in the toilet. Think about all the air conditioning in summer. Saving energy is a hot topic for such a big place!

　　Many things at the mall use energy. Electric lights, infrared faucets and air-conditioners need electricity to work. One way to save energy is by keeping lights clean. More and more dust and dirt make the lights less bright. When  malls keep lights clean, they can use fewer lights and keep the area just as bright ,Using fewer lights means using less energy.

You step up to the  water faucet. The water starts to flow. You don't have to touch a thing. Why do malls have such fancy faucets?. The answer is simple. They save water. Sometimes people forget to turn the water off after they wash. Infrared faucets turn themselves off.

The…

1.________is a hot topic for a big mall.

A．To spend money                        B．To save energy

C．To keep the mall bright                   D．To buy things

2.Malls use infrared faucets mainly because________

A．they save water     B．they are fancy      C．they are simple     D．they turn themselves off

3.Which of the following cannot save energy?

A．Using fewer lights.                       B．Using infrared faucets.

C．Using air-conditioners                    D．Keeping lights clean.

4.What will the fourth paragraph probably talk about?

A．How to save water when using infrared faucets in the mall

B．How to save energy when using air-conditioners in the mall

C．How to save money when shopping in the mall.

D．How to spend money when shopping in the mall.

5.The best title for the passage is_________

A．Lights, faucets and air-conditioners

B．Spending less money

C．Energy saving at the mall

D．A hot topic

LISTEN. Do you hear the sound of birds outside, a car going by, your favorite music? (A)Because of  your ears, you can hear it clearly.
March 3 is International Ear Care Day. This year, the theme for the day is “Ear care can avoid hearing loss (丧失)”.
The World Health Organization(WHO) reports that there are 360 million people in the world with disabling (使伤残) hearing loss. At least half of all cases of hearing loss are avoidable through healthy ear care practices.
Protecting yourself from loud noise is a key part of ear care. Nowadays, (B) it is very common for people to listen to music with headphones on while traveling to school or work. Experts suggest a 60:60 rule: listen to your music at 60 percent of the maximum (最大值的) volume for no more than 60 minutes a day.
Cleaning your ears is a basic step to take care of your ears. Do you clean your ears with cotton buds or fingernails? Think again. These things can push earwax (耳垢) deeper into your ear, and hurt your ear canal (耳道). The ear is a self-cleaning organ and does not require active cleaning,(C)        the WHO. If the wax makes you (D)         , you can ask a doctor to deal with it.
Take care of your ears when you are swimming. You can use earplugs.  Dry your ears with a towel afteru(耳塞) to stop water getting into your ears. swimming or having a bath. (E) If you feel there is water inside your ear, shake your head a little bit to help get the water out.
Top things to know about earphones
Here are some helpful tips to guide you to using earphones in the right way.
1. (F) What kind of earphones you wear is important for your hearing. Choose over-the-ear headphones. This type can block out (挡住) background noise and allow you to have the volume lower. In-the-ear headphones are less effective (有效的) at blocking out background noise.
2. Some children like sharing earphones with their friends. But when you have only one earphone, you may naturally turn the volume up. Instead of (G)       earphones, get a splitter (分线器). This lets you connect two sets of earphones. This way, you can protect your own hearing as well as your friend’s.
3. Want to know if your earphones are at a safe volume? Ask people (H)       near you if they can hear your music. If they can, it’s a sign that your hearing is being damaged. Turn the volume down until other people can no longer hear it.
任务一：从方框中选择单词并用适当的形式填入D、G、H处