阅读理解。

1.Food
It’s Mango Time!
How much do you know about one of the world's most popular fruit
Some people call mangoes the “king of fruit,” while others just call them delicious! Those who love mangoes anxiously await the first fully grown ones of the season. And not only do mangoes taste great but they also are good for you.
Did you know…?
—People think mangoes were firstcultivatedover 5,000 years ago in India.
—The countries of India and the Philippines have named mango their national fruit.
—A mango tree can live up to 300 years.
—Countries that are major mango producers include Mexico, Egypt, Pakistan, Brazil, Indonesia, Australia and Israel.
—A cup of the fruit has only 100 calories and is nearly fat-free.
—Mangoes are an important food source for millions of people.
—One cup of mango has 100 percent of the daily need for vitamin C.
—Mangoes have over 20 vitamins and minerals, making them a “super food”.
So treat yourself to a mango today.
 

2.Health
A good night’s sleep
Do you get the sleep you need?
When the morning sun looks in through our window, do you jump out of bed or go on lying?
Having enough sleep can make the difference between a great day and a terrible one!
Here are the tips for a good night’s sleep:
First, go to bed and get up at the same time, even if you haven’t gotten a good night’s sleep. Sleeping late for just a few days can change your body clock to a different cycle.
Also, avoid big meals at night. Eating heavy, rich food within two hours of bedtime can keep you awake. Your stomach works hard because of those fatty foods, and that may keep you up.
Your body produces a chemical called melatonin that helps you sleep. Light changes the amount of melatonin. It produces more in the evening and less in the daytime. So at night turn off your TV and PC. Also, don’t read from a backlit device(有背光的设备) like an iPad. Some scientists think that light from those devices stops your body from making melatonin. So turn those screens off at least an hour before bedtime.
After a good night’s sleep, you’ll be able to face a new day.
 

1.According to the first passage, we can learn that ________.

A.Australians consider mango as the national fruit

B.mangoes are rich in fat to meet people’s daily need

C.there are all kinds of vitamins and minerals in mangoes

D.people enjoy mangoes because they are healthy and tasty

2.The underlined word “cultivated” in the first passage means ________.

A.bought B.made

C.planted D.invented

3.According to the second passage, we can make our body produce more melatonin by ________.

A.surfing the Internet on the computer or ipad

B.changing our body clocks to different cycles

C.turning off TVs at least an hour before sleeping

D.enjoying some outdoor activities in the open air

4.The second passage mainly tells us that people ________.

A.can do something to have a good night’s sleep

B.should do to bed early and get up early every day

C.should jump out of bed quickly when the sun rises

D.shouldn’t eat fatty food two hours before going to bed

5.These two articles may come from ________.

A.a story book B.a magazine

C.a guide book D.a news report

Many of us don't pay much attention to the importance of eye care. It is said that if you take care of your body, then you can surely be healthy. That is why our eyes should be given a lot of care. Natural eye care should be put in a number one place.

There are several causes leading to poor eyesight like not enough food, genes(基因)and aging(老化). Televisions, corrupters and reading are also the causes of having poor eyesight. If you work in front of the computer, it is best to take a break every once in a while. Something dirty can cause redness and they will make you feel uncomfortable. It is bad for your eyes, too. If this happens, the best way is to clean your eyes by using cold water. You must also try your best to protect your eyes from harmful things. For example, sunglasses are not just for fashion but they can also serve as a great way to protect your eyesight from ultraviolet rays.

Eating healthy foods will do good to your eyesight. Remember that vitamins A, C and E are good for eyes. Try to eat food groups that have these vitamins. And you should do eye exercises because exercise protects your eyesight, too. If a person exercises regularly(定期地) and eats the right kind of food, his eyes will stay in good condition for a long time.

All above are natural ways of eye care that help us keep healthy eyes. Being happy all the time can be helpful to a person's eyesight, too. In a word, eye care is very important, no matter how old a person is.

1. is the most important way to protect our eyes.

A.Natural eye care B.Taking medicine

C.Seeing the doctor D.Being happy all the time

2.All the following causes can lead to bad eyesight except ___________.

A.age B.height C.reading D.computers

3.What should you do if you have to work in front of the computer?

A.Eat healthy foods. B.Clean the eyes by using cold water.

C.Wear a pair of sunglasses. D.Have a rest after working for a while.

4.What do the underlined words "ultraviolet rays" mean?

A.沙尘 B.闪电 C.紫外线 D.超声波

5.Which is the best title of the passage?

A.Ways of Eye Care B.Ways of Eye Exercises

C.Ways of Being Happy D.Ways of Being Healthy

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