—_____ do you have an art lesson?

—Four times a month.

A.How long B.How many C.How often D.What

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You may know about “junk food” like French fries. But do you know about “junk sleep”？

Recently, a British survey found that electronic(電子的) products in teenagers’ bedrooms are affecting(影響) their sleep.

The survey was done among 1，000 British kids from 12 to 16.It found that 30% of them got just 4 to 7 hours of sleep every day. But doctors say they need 8 to 9 hours.

Almost a quarter of the kids said they fell asleep more than once a week while watching TV, listening to music or using other electronic products.

“This is very worrying，” said Dr. Chris Idzikowski，a British expert，“We call it ‘junk sleep’．It means you don’t get enough sleep and the quality of the sleep is bad, too. If you don’t get a good rest，you don’t perform well in school the next day.”

The survey found that 40% of the kids felt tired each day，with girls between 13 and 16 feeling the worst. Nearly all the teenagers have a cellphone，an iPad or a TV in their bedrooms. And many of them have all the three.

1.This passage is mainly about ________ .

A.junk food B.junk sleep C.electronic products

2.________ of the children in the survey sleep only 4 to 7 hours a day.

A.200 B.300 C.500

3.“Junk food” and “junk sleep” are similar to each other in the way that ________ .

A.they are both low in quality（質(zhì)量）

B.they are both produced in factories

C.they are both good for people’s health

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A.Teenagers need 4 to 7 hours of sleep each day.

B.Few of the teenagers have a cellphone in their bedrooms.

C.Teenagers spend too much time on electronic products.

5.Which of the following is the best solution to the problem?

A.Parents watch TV together with their children.

B.Make teenagers not use any electronic product.

C.Make teenagers limit(限制) their use of the electronic products.

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I live in a nice new building in Beijing. It is very tall. It has eighteen floors. There are about eighty families in the building. That is to say (也就是說), about two hundred and forty people live in the building.

My home is on the twelfth (第十二) floor. We have two bedrooms and a living room. They are big and clean. There are a lot of big trees and beautiful flowers around our building. I like looking out of the window in my room. I can see cars and buses running in the street. I can see people walking in the street, too. They look so small! I can also see a lot of tall buildings. How beautiful Beijing is! I am happy to live in this nice, new and tall building.

根據(jù)短文內(nèi)容，選擇正確答案。

1.There are ________floors in the building.

A.twelve B.twenty C.eighteen D.eighty

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A.Two hundred. B.Three hundred.

C.Two hundred and forty. D.About two hundred and forty.

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C.shops D.buses

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A.I can see cars and buses running in the street. B.I can see people walking in the street.

C.I can see a lot of tall buildings. D.A, B and C.

5.Which of the following is NOT true?

A.The building is tall. B.There are a lot of birds around the building.

C.Beijing is very beautiful. D.The building is new.

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Look! The students _____ the classroom.

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It's the museum! So you know shouting is not allowed here.

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