Question

英语阅读测试

If the sun has enough power to warm and light the whole earth, it must have enough power to do other things, too. Can we use the sun’s abundant energy to supply electricity, or at least to perform the functions which electricity or other types of power usually perform? The answer is yes.
For example, people have for many years been using the reflected heat of the sun to cook by. Solar cookers have been built with several curved mirrors reflecting the sun and focusing its heat on the cooking element. This apparatus can be used just like a gas or electric stove; it is more expensive to make but it does not need any fuel, and so costs nothing to use. Another possibility of using solar energy is in house-heating.
The form of energy we use most is electricity, and every day more is needed. But electricity has to be made, too, and to make it huge quantities of fuel are required ---- oil, coal, gas and nowadays even uranium.
The question which worries everyone today is: how long will these fuels last? Nobody knows it for sure, but most experts think it will soon be difficult to obtain sufficient electricity from these sources. It is possible that the sun can make a contribution here, too.
Solar power has already been used to produce terrific heat. In Southern France a solar furnace has been built, where temperatures reach more than 3,000°C. This furnace is only used for experiments at present, but could be used to produce steam for a power station.

245. This passage is mainly about __________.

A)warmth and light from the sun
B)working principles of solar cookers
C)potential uses of solar energy
D)differences between conventional fuels and solar power

246. The word “element” in the sentence “Solar cookers have been built…on the cooking element”(Para.2) is closest in meaning to __________.

A)component
B)stove
C)instrument
D)substance

247. Which of the following is NOT mentioned as uses of solar power?

A)Solar cookers.
B)House heating.
C)Generating electricity.
D)Reflecting mirrors.

248. From paragraph 4, it can be inferred that __________.

A)gas, oil and coal will last at least 100 years
B)the sun can make it easy for us to make enough electricity
C)every one worries about whether we can use the sun’s abundant energy to supply electricity
D)fossil fuels are less expensive than solar power

249. The author’s tone in writing this passage is __________.

A)objective
B)indifferent
C)worrisome
D)pessimistic

Answer 1

245.C)potential uses of the sun
246.B)Stove
247.C)Generating electricity
这题可以使用排除法
248.B)the sun can make it easy for us to make enough electricity
249.C)worrisome

Answer 2

acbba