Question

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　　When I was in Scotland last year, I visited a special hydroelectric power station. It is inside a mountain. It rains a lot in the mountains of Scotland and there are huge lakes high up. The water falls down through large pies to a generator in the power station. The energy of the moving water turns the generator and this produces electricity. A big transformer then increases the number of volts(伏特) to over 4000000. The electricity goes through cables to different parts of Scotland, England and Wales.

　　The inside of the power station was very clean because it doesn't burn coal or gas. It was just like being in a hospital, really.

　　I think hydroelectric power stations are much safer than nuclear power stations. They are also better for the earth than coal or gas power stations. Some countries like Sweden and the Netherlands have said they aren't to build any more nuclear power stations. They are going to try to make clean electricity using water or wind. I think we should do the same and spend more money in building hydroelectric power stations.

(1)What can be the best title for the passage?

[　　]

A．Future if Electricity

B．Dangers of Nuclear Power

C．Electricity in Scotland

D．Electricity from Water

(2)We can learn that the underlined word“hydroelectric”means “using________.”

[　　]

A．the energy of the water to clean the air

B．waterpower to produce electricity

C．pipes to carry water

D．wind-power to produce electricity

(3)Why does the writer say the hydroelectric power station is like a hospital?

[　　]

A．It looks like a hospital.

B．It has beautiful scenery.

C．It is very clean and quiet.

D．It doesn't burn coal or gas.

(4)What is the passage mainly about?

[　　]

A．The future of electric power stations.

B．The advantages of hydroelectric power stations.

C．The number of electric power stations.

D．The countries that have nuclear power stations.

Answer 1

答案：D;B;C;B
解析：