题目内容


-- ____ brave Zhang Hua is!

  --Yes. He helped his neighbour, Mrs. Sun out of the fire.

  A. What a            B. How           C. .How a           D.What

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What opinions did experts have about movements and transportation throughout history?

 Take a look.

Lord Kelvin, a famous scientist,1800s

Opinion: Airplanes would never fly.

Was he right? No. On December17,1903, the Wright brothers made the first controlled flight in a powered airplane.

 

Lee Deforest, a pioneer in radio , TV and

Radar, 1900s

Opinion: No person would ever reach the moon.

Was he right? No. On July20,1969, Neil

Armstrong stepped onto the moon.

 
 

Jules, Verne, Science fiction writer ,in an 1870 novel

Opinion: People would be able to travel under water in airtight ships.

Was he right? Yes. Through submarines already existed, it would be decades before they could stay submerged for long-distance travel.

 

Leonardo da Vinci, artist, inventor ,1400s

Opinion: People would fly in a machine with an overhead propeller.

Was he right? Yes. This artist’s sketch, made about 1490,shows a helicopter 400 years before its invention.

 
 

1. Which of the following experts was a science fiction writer?

   A. Lord Kelvin       B. Lee Deforest     C. Leonardo da Vinci   D. Jules, Verne

2. Leonardo da Vinci’s opinion was that _________.

    A. airplanes would never fly

    B. no person would ever reach the moon

    C. people would fly in a machine with an overhead propeller

    D. people would be able to travel under water in airtight ships

 3. How many experts’ opinion proved right according to the passage?

    A. One              B. Two            C. Three             D. Four

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