Sam has a bike. He ______ it to school every day.

A. takes B. rides C. walks D. drives

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Smartphone, poor sight

Look around and you will see people busy on their smatrphones (智能手機). Smartphones do make our lives easier. But have you ever thought about what they mean to your eyes?

According to a study, half of the British people own smartphones and they spend an average ( 平均 ) of two hours a day using them. There has been a 35% increase in the number of people in the U.K who suffer from short-sightedness （近視） since smartphones were introduced there in 1997.

Staring （盯）at smartphones for a long time gives you dry eyes. When looking at something in the distance, your eyes automatically blink （自動眨眼） a certain number of times. However, when you look at the things closer to your face, the blink slows down. This reduces the amount of tears and causes discomfort in your eyes. Another bad habit is using smartphone in dark rooms before going to sleep. If you look at a bright screen while your pupils （瞳孔） become larger, too much light goes into your eyes. This can be bad for your eyes and causes a disease called glaucoma （青光眼）.

Maybe it is possible for you to stop using your smartphone, but there are a few things you can do to protect your eyes.

* Hold your phone at least 30 centimeters away from your eyes when using it.

*Take a break every hour and try the following: look at something at least 5 meters away from you and then focus on your nose. Repeat this several times. It should reduce the discomfort in your eyes.

根據(jù)短文內容，選擇最佳答案。

1.This passage is mainly about ___________________.

A. the history of smartphones.

B. the advantages of smartphones

C. the disadvantages of smartphones

D. the reasons why children get short-sightedness and how to use smartphones correctly.

2.From paragraph 2, we learn that ___________

A. half of the Brritish people began to use smarrtphone 17 years ago.

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

C. more British people have suffered from short- sightedness since 1997

D. the number of the British people who have smartphones increase to 35%

3.According to Paragraph 3, using smartphones 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 more than an hour without a rest

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

C. Turn off your smartphone at least 2 hours every day

D. Look at something green for a few minutes.

5.The passage advises people ___________.

A. not to buy smartphones

B. to stop using smartphones

C. to make good use of smartphones

D. to use smartphones in right ways

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完成句子

1.The T-shirt cost me five dollars. (改為一般疑問句)

___________the T-shirt___________ you five dollars?

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Jack wonders ____________ ___________ get some magazines.

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The girl is ___________ young ___________ dress herself.

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