摘要: of us can play the guitar well. A. Each B. Every C. Nothing D. Who

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Who designed (设计) the first helicopter (直升飞机)? Who __1__ of the most famous pictures in the world? Who knew more about the human body than most __2__? There is an answer __3__ all these  questions --- Leonardo de Vinci (达芬奇).
  Leonardo may have been the greatest genius (天才) __4__ have ever known. He lived in Italy around the year 1500, but many of his inventions seem modern to us today. For example, one of his notebooks has drawings of a helicopter. Of course, he couldn’t __5__ a helicopter with the things he had. But scientists say his idea would have worked.
  But Leonardo __6__ an inventor. He was one of the greatest artists of his day. By the time he was twenty years old, he was called a master ( 大师) painter, and as he got older he became __7__ more famous. Sometimes he drew a hand ten different ways __8__ he was ready to paint.
  Many of Leonardo’s wonderful paintings are still with __9__ today. You may know one of his most famous works the __10__ woman known as the Mona Lisa.

  1. A. took                     B. made         C. painted              D. invented
  2. A. artists            B. doctors     C. painters            D. people
  3. A. to                 B. of             C. for            D. from
  4. A. the scientists  B. the artists   C. the world          D. people
  5. A. draw            B. paint        C. work                 D. build
  6. A. was just         B. wasn’t just  C. wasn’t               D. was no longer
  7. A. less              B. no             C. even                 D. very
  8. A. before          B. after          C. because            D. when
  9. A. him               B. us              C. them                 D. you
  10. A. interesting    B. crying        C. smiling             D. surprising

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  Do you get enough sleep?With so much homework it's often difficult to get the rest you need.But you need to try, because sleep keeps you healthy and it stops you getting fat.

  Recently, a group of US scientists did a study(调查)of kids aged between 8 and 13.The study found that if kids sleep for just one extra(额外的)hour each day, the chance of their getting fat is cut by about 30 percent(30%).

  Why?When people don't get enough sleep, they become tired.When they are tired, they don't exercise enough.Also, kids like snacks:If they are awake(醒着的)an extra hour or two each day, they have more time to eat snacks or other unhealhy foods.

  So, how much sleep should you get?Scientists suggest 10 to 11 hours a night for kids aged 5 to 12.For older kids, eight to nine hours will do.

(1)

How many reasons are given why people might get fat without enough sleep?

[  ]

A.

3.

B.

2.

C.

1

D.

None.

(2)

If you are under 10, how long do the scientists advice you to sleep?

[  ]

A.

10 to 11 hours.

B.

8 to 9 hours.

C.

8 to 13 hours.

D.

As long as possible.

(3)

Where was the study done by the scientists?

[  ]

A.

In China.

B.

In Britain.

C.

In America.

D.

In Japan.

(4)

What does“eight to nine hours will do”mean?

[  ]

A.

Eight to nine hours' sleep will be good and enough.

B.

Eight to nine hours' sleep will be too long.

C.

Eight to nine hours' sleep will help get fat.

D.

Eight to nine hours' sleep will help eat snacks and unhealhy foods.

(5)

What does the passage talk about?

[  ]

A.

How to get long sleep.

B.

How to keep fat.

C.

Enough sleep makes people healthy and slim(苗条L

D.

Long sleep makes people healthy and slim.

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