-Are these books yours, Mike?-No, they aren’t. They belong to .A. him B. his C. hers D. she 题目和参考答案——青夏教育精英家教网—

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—Are these books yours, Mike?

—No, they aren’t. They belong to ______.

A. him B. his C. hers D. she

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It’s nearly seven o’clock. Jerry be here at any moment.

A. must B. need C. dare D. can

---Lisa ,hurry up !The bus is coming .

--Oh ,no . We______cross the street until the traffic lights turn green .

A. mustn’t B. needn’t C. should

Smartphone ,poor sight

Look around and you’ll see people busy on their smartphones. Smartphones do make our lives easier . But have you ever thought about what they mean to you eyes?

According to a study ,half of British people own smartphones and they spend an average of two hours a day using them . There has been a 35% increase in the number of people in the UK who suffer from shortsightedness since smartphones were introduced there in 1997.

Staring at smartphones for long time gives you dry eyes. When looking at something in the distance ,your eyes automatically blink a certain number of times. However ,when you look at things closer to your face ,the blinking slows down . This reduces the amount of tears and causes discomfort in your eyes. Another bad habit is using smartphones in dark rooms before going to sleep . If you look at a bright screen while your pupils become larger ,too much light enters your eyes. This can do harm to the eyes and cause a disease called glaucoma.

While you’re probably not going to stop using to your smartphone,there are a few things you can do to protect your eyes. Hold your phone at least 30 continues away from your eyes when using it. Take a break every hour and try the following :look at something at least five meters from you and then focus on the tip of your nose. Repeat this several times. It should reduce the discomfort in your eyes.

1.The article is mainly about ________.

A. the rules to obey when using smartphones

B. the harm that smartphones do to users’s eyes.

C. the reason why teenager get shortsightedness

D. advantages and disadvantages of smartphones

2.From Paragraph 2，we learn that _______.

A. half of the British people began to smartphones 17years ago

B,each of the British people spends two hours a day on smartphones

C. more British people have suffered from shortsightedness since 1997

D. the number of British people who own smartphones increases by 35%

3.according to Paragraph 3，using smartphones improperly may cause _______.

A. too many blinks B. more tears in the eyes

C. smaller pupils D. dry eyes and glaucoma

4.Which of the following is suggested by the writer ?

A. Don’t use the phone for over an hour without a break.

B. Hold the phone at learn half a meter away from the eyes.

C. Turn off your phone for a couple of hours every day.

D. Look at something green far away for several minutes.

5.This article is written to advise people_______.

A. not to buy smartphones B. to stop using smartphones

C. to make full use of smartphones D. to use smartphones properly

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—Sorry, I’ll do it right away.

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