据报道,我国学生近视率居世界第一。造成这一现象的原因是多方面的, 请你以 "Why are more and more children getting short-sighted?" 为题, 写一篇英语短文。

内容主要包括：

1. 造成学生近视的原因；

2. 如何保护视力？

注意: 1.词数120左右；

2.可以适当增加细节, 以使行文连贯；

3.短文的开头已经写好, 不计入总词数。

参考词汇:  近视率 rate of myopia

Why are more and more children getting short-sighted?

It is reported that the rate of myopia of Chinese students is ranked as the highest in the world

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 –Listen, my flight is being announced. I must be off now.

   --Bye.______________.

A. Happy landing                 B. Thank you for seeing me off.

C. Take it easy             D. I will go with you .

It is ____comfort for ______patients to be close to their loved ones.

A. a; the    B. /,the     C. a; /       D. the, the

Looks are not ______. It’s what’s inside you that really matters.

A. anything        B. something    C. everything   D. nothing

At present , the butter factory is still polluting the river though it _____to stop.

A. ordered        B.has ordered C. will be ordered    D. has been ordered

Many Americans live on credit, and their quality of life is measured _________ how much they can borrow, not how much they can earn.

A. on top of       B. in case of      C. in terms of   D. regardless of

The government had hoped to draw as much attention as possible to this problem but it didn’t  ______that way.

A. work out       B. give out         C. go out   D. pick out

“I’m astonished, Mum,” said my son to me the other day, “that some people in the world ____be so ready to fight with others, addicted to killings.

A. should          B. might            C. could            D. will

–There will be a talk show this time tomorrow. Would you go with me?

   --I’m sorry,but I _____an important meeting.

A. have attended       B. will be attending   C. am about to attend        D. would attend

The students wonder____good the course will do to their future jobs.

A. which B. what     C. whether     D. why