According to the author, the correspondence between tile lengths of reporter's questions and Bush's answers increased because speakers ______.
A. are trying to be accepted by others without even knowing it
B. have a strong demand for balance when they are speaking
C. always have an instinct to imitate the people they are talking to
D. themselves want to know each other well
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If the sun has enough【C1】______to warm and light the whole earth, it must have enough power to do other things,【C2】______. Can we use the sun's【C3】______energy to supply electricity, or at least to perform. the function which electricity or other types of power usually perform? The answer is【C4】______.
For example, people have for many years been using the【C5】______heat of the sun to cook by solar【C6】______which have been built with several incurred【C7】______reflecting the sun and focusing the heat on the cooking element. This【C8】______can be used like a gas or electric stove; it is more expensive to make but it doesn't need any【C9】______and so costs【C10】______to use. Another【C11】______of using solar energy is in house heating.
The【C12】______of energy we use most is electricity, and every day more is【C13】______. But electricity has to be made too, and to make it huge quantities of fuel is required -- oil, coal, gas and nowadays even uranium.
The question which【C14】______everyone today is: how long will these fuels【C15】______? Nobody knows it for sure,【C16】______most experts think it will soon be difficult to obtain sufficient electricity from these sources. It is possible that the sun can make a(n)【C17】______here, too.
Solar power has already been used to produce【C18】______heat. In Southern France a solar furnace has been built,【C19】______temperatures reach more than 3 000 centigrade. This furnace is not only used for experiment【C20】______, but could be used to produce steam for a power station.
【C1】
A. power
B. time
C. heat
D. temperature
A.He would go to neither of the hotel.B.He may choose one between the Carlton House an
A. He would go to neither of the hotel.
B. He may choose one between the Carlton House and the Imperial.
C. He probably goes out for the town hotels of the Bridge Hotel.
D. He prefers to the hotel with a swimming pool.
A.It is a five star hotel.B.It provides excellent service.C.It is equipped with modern
A. It is a five star hotel.
B. It provides excellent service.
C. It is equipped with modern facilities.
D. It is quite near to the main square.
A.Carlton House and the Imperial.B.The Imperial and the Bridge.C.The Bridge and the Ma
A. Carlton House and the Imperial.
B. The Imperial and the Bridge.
C. The Bridge and the Majestic.
D. The Royal Oak and the Bridge.