单项选择题

How men first learnt to invent words is unknown; in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sound to express thoughts and feelings, actions and things, so that they could communicate with each other; and that later they agreed upon certain signs, called letters, which could be combined to represent those sounds, and which could be written down. Those sounds, whether spoken or written in letters, we call words.
The power of words, then, lies in their associations-the things they bring up before our minds. Words become filled with meaning for us by experience; and the longer we live, the more certain words recall to us the glad and sad events of our past; and the more we read and learn, the more the number of words that mean something to us increases.
Great writers are those who not only have great thoughts but also express these thoughts in words which appeal powerfully to our minds and emotions. This charming use of words is what we call literary style. Above all, the real poet is a master of words. He can convey his meaning in words which sing like music, and which by their position and association can move men to tears. We should therefore learn to choose our words carefully and use them accurately, or they will make our speech silly and dull.
What is true about the words

A.They are used to express feelings only.
B.They can not be written down.
C.They are simply sounds.
D.They are mysterious.
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问答题
My idea of the future world What will our future world be like This is a controversial question with which many people are concerned. Like a coin with two sides, various people hold various replies to it. In the eyes of the pessimistic, sooner or later our world will come to its doom. The following points are their evidence. First, AIDS is the best example. In terms of statistics, so far there are about 40 million people infected AIDS all over the world and 2.3 million people died just in 2003. Secondly, it seems that terrorists’ attacks never cease. It makes many ordinary people lose their household, becoming innocent victims. Thirdly, going with the widespread outbreak of SARS, countless people died of this fatal disease. Whereas the optimistic point of view is that our world in the future will be a better place to live. As far as they are concerned, there is numerous progress in the past few decades. The popularization of computer technology and Internet renders us to acquire all kinds of information we need and to know what happens at the other end of the world in a few seconds. As for me, I’m convinced that our world’s prospect will be far more brilliant and prosperous than now. Yet in order to realize it, we must take some measures and adopt an active attitude to change and develop our world. So long as while continuing to develop the science and technology, all of us take active actions and make great efforts to solve these problems, a beautiful world will come soon.