Teenagers believe anything is possible if they study hard. But they often forget to think about healthy diets, enough sleep time and exercise. In fact, these things are really important for them to keep fit.

It is important for teenagers to get enough energy. Teenage girls need about 2,200 calories a day while boys need a bit more—doctors suggest 2,800 for teenage boys.50% of their calories should come from healthy food—rice, vegetables and fruit. People often say an apple a day keeps the doctor away. Teenagers also need to drink a lot of water,6 to 8 glasses a day. Drinking enough water will improve their skin.

Teenagers usually need eight to ten hours’ sleep at night, but many Chinese teenagers do not get enough sleep. A report shows that without a good night’s sleep, teenagers seem to be weaker than they should be. Too much homework is not the only reason why teenagers stay up late. Some watch TV or play computer games late into the night. Teenagers should develop good study habits.So some clever students never study late, but they are able to work well in class.

Exercise is something that can help them. Experts suggest that teenagers should spend at least 30 minutes exercising a day, five times a week. They will feel relaxed when they exercise. It can even help them sleep better at night.

1.How many things are important for teenagers to keep fit?

A.2. B.3. C.4. D.5.

2.Half of their calories should come from.

A.rice,vegetables and fruit B.rice,vegetables and meat

C.rice,vegetables and water D.milk and meat

3.The last paragraph(段) mainly talks about.

A.sleeping better B.basic energy

C.necessary exercise D.more exercise

4.Which of the following is NOT true?

A.Boys need much more calories than girls. B.Teenagers need to drink 6 to 8 glasses of water a day.

C.Some clever students never study late. D.They will feel relaxed when they exercise.

5.The passage tells teenagers how to .

A.eat and drink well B.study hard C.keep fit D.drink well

请阅读下面的文章,根据所提供的信息,回答问题。

As the saying goes, “A hero is known in the time of misfortune (不幸)”. Zhong Nanshan is a hero like this. He is a doctor in Guangdong, who saved many people's lives in 2003.

In 2003, SARS broke out in Guangdong. Later, it spread across China and other parts of the world. Patients coughed a lot and got fevers. Hundreds of patients even died from the disease. Even many doctors and nurses got SARS when they treated patients. So everyone was afraid of it. But Zhong was brave enough to fight the disease. Zhong spent days and nights looking for the cause of the disease. And with his way of treating, many patients began to get better. Zhong finally won people's trust.

In early 2020, a disease called Novel Coronavirus Pneumonia(新型冠状病毒肺

炎 COVID-19) hit Wuhan. It spread quickly. And over tens of thousands of Chinese people were infected (感染). Zhong, 84, led his team to Wuhan to fight the illness.

Zhong's team took many measures to cure the patients with COVID-19. He advised people to wear masks, wash hands frequently(频繁地), stay at home and not to go to crowded places.

Zhong likes sports very much. When he was 67, he could still play basketball. Now at the age of 84, Zhong still treats patients in the hospital and teaches young doctors. "I am just a doctor." Zhong says. But we think he is a hero and a fighter.

1.What does Zhong Nanshan do?

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2.Why did hundreds of patients die in 2003?

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3.How did Zhong win people's trust in 2003?

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4.How many Chinese people were infected with COVID-19?

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5.What did Zhong advise people to do to fight COVID-19?

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