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An Unusual Airplane

Powered by Microwaves

(微波动力飞机)

Canadian Scientists have successfully tested an unusual airplane. The airplane is not powered by fuels. It is powered by microwaves. Microwaves can be produced by equipment on earth. When the microwaves hit the bottom of the plane’s wings, instruments’ change them into a more usable form of energy—electricity. The electricity powers the plane’s engine.

    The plane was developed by the Canadian government and the University of Toronto. The plane is called the Sharpfire. The Sharpfire is much too small to carry people or equipment. It was built only to see if the technology would work. Sharpfire is made of light weight woodIts wings are about three and one half meters across. In its first public test, the Sharpfire flew eighty meters above the ground for almost four minutes. A future microwave plane will be much larger than the Sharpfire. The main reason for using microwave energy to power an airplane is to end the plane’s need to carry fuel. An American researcher says this technology will be very common in the next century.

1The Canadian government and University of Toronto developed ________.

Athe old plane

B, the unusual train

Cthe microwave

Dthe unusual microwave plane

2The plane Sharpfire was designed ________.

Ato carry people

Bto carry equipment

Cto see if the technology would work

Dto carry people and equipment

3Which of the following is true according to the passage?

AThe plane was developed by American government.

BThe unusual plane is called Campfire.

CThe airplane is made of a kind of wood.

DA future microwave plane will be of the same size as Sharpfire.

4What is the main reason for using microwave energy to power an airplane?

AIt is to save fuel.

BIt is to enable the plane to carry more fuel.

CIt is to use electricity to power the plane’s engine.

DIt is to end the plane’s need to carry fuel and

    to enable the plane to carry more.

 

答案:D;C;C;D
提示:

1.       文章第一句话就提到了,发明了一种非同寻常的微波动力飞机

2.       第二段中提到这架飞机非常小,无法载物载人,只是为了验证这种技术有没有作用

3.       A错,不是由美国政府发明,B飞机名字错,D错,以后的飞机会越来越大

4.       文章最后一句话提到,这种飞机的发明是为了让飞机不再需要燃料

 


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