Children can spend hours a day looking at computer screens and other digital devices. Some eye doctors say this leads to an increase in “computer vision syndrome(电脑视力综合症).”

Nathan Bonilla-Warford is an optometrist（验光师）in Tampa, Florida. He has seen an increase in problems in children. “A lot more children come into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their nearsightedness appears to be increasing and they’re worried,” he says.

Dr. Bonilla-Warford says part of the problem is that children may be more likely to pay no attention to early warning signs than adults. “Even if their eyes start to feel uncomfortable or they start to get a headache, they’re less likely to tell their parents, because they don’t want to have the game or the computer or whatever taken away,” he explains.

He says another part of the problem is that people blink（眨眼）less often when they use digital devices. He says, “A person who uses an electronic device blinks about one third as much as we normally do in everyday life. And so that can result in the front part of the eye drying and not staying protected like normal.”[来源:Z.xx.k.Com]

Eye doctors offer suggestions like following which is known as the 20/20/20 rule. That means every twenty minutes look away twenty feet or more for at least twenty seconds from whatever device you’re using.

Other suggestions include putting more distance between you and the device and using good lighting. Of course, another way is to spend less time looking at screens. Many experts say children should spend no more than two hours a day using digital devices—with no screen time for children under two.

But not all eye doctors have noticed an increase in problems in children. Dr. David Hunter, from Children’s Hospital Boston, has not seen an increase in his practice. “While it is possible to develop fatigue looking at screens for a long period of time, there’s certainly no proof that it actually causes any damage（伤害）to the eyes.” he says.

1.Which of the following is true according to the passage?

2.What does the underlined word “fatigue” mean?

3.What can be the best title for the passage?

    Recently, many people have begun to try a new way of doing shopping through the Internet. They are very interested in it. Why is it becoming more and more popular now? There are some reasons. First, more and more people have their own computers and their computers can be joined with the Internet. So it is possible for many of them to do shopping through the Internet. Second, shopping through the Internet can save them some money and a lot of time. Third, they don't need to go to the shop themselves.  Because of these good facts, few people refuse it.

On the other hand, some people don't like this new way of shopping. They are worried about the safety of shopping online. Customers(顾客)can only see the pictures of a product on the Internet. And they can't enjoy the pleasure of buying things in a large supermarket or a wonderful shopping center. These are the reasons why they do not like it.

But I think more and more people will like this new kind of shopping in the future.

1.Many people are interested in ______ online.

A. watching TV B reading C. studying D. shopping

2.From the first paragraph，we know ______.

    A. no one likes buying things online

    B. more and more people don't like shopping through the Internet

    C. shopping on the Internet is more and more popular

    D. There are no advantages about shopping on the Internet

3.People like doing shopping on the Internet because it can ______.

   A. save their money and time

B. help them make a lot of money

   C. be very easy

D. help them save time

4.Some people don't like shopping online because they______.

A. have to pay more money

   B. must send their money first online

   C. don't have enough time

   D. are worried about the safety of shopping online

5.What's the best title(题目)of this passage?

   A. Why don't people like going shopping?

   B. Shopping through the Internet is very popular.

   C. How do people shop with little money?

   D. Chinese people don't like shopping on the Internet.

任务型阅读。根据短文内容完成表格所缺信息，每空一词。

How to beat sadness

We all have days when we are down, tired and unhappy. That’s OK. You need days like this, or how would you know you are happy？You’ll enjoy your good days even more when you have a few bad days. Even if sadness is a part of life, Let’s try to make it small. Here are a few simple ways to help you fell better when you are feeling sad.

1.Stand up straight and this helps your energy flow(流动).When your energy is flowing freely, you can flow too.

2.Smile!It’s easy to do and have good results. This way can not only leave you in a good mood(情绪)but also bring others a good mood.

3.Listen to music. It can be your favourite music. some kinds of music work better than others, so try and find out what kind of music works the best for you.

4.Take some“me”time. You can find pleasure in reading a book, watching a sunrise or having a hot bath, or something like that.

5.Exercise.Even something as simple as taking a walk will get your blood flowing. It is a great way to clear your mind of anything that makes you sad.

These ways will cheer you up when you are down, but don’t just use them when you are sad. Try and practice them every day to make them a habit. You will be surprised to learn that these simple ways will keep your sadness away. But if you are in a deep depression(沮丧)，go to see a doctor.