题目内容
听力原文： Advertisement can be thought of as "the means of making known in order to buy or sell goods or services". Advertisement aims to increase people's awareness and arouse interest. It tries to inform. and to persuade. The media are all used to spread the message, such as, the press, the cinema and commercial radio, television and so on. Other ways of increasing consumer interest are through exhibitions and trade fairs as well as direct mail advertisement.
There can be no doubt that the growth in advertisement is one of the most striking features of the western world in this century. Many businesses such as those handling frozen foods, liquor, tobacco and medicines have been built up largely by advertisement.
We might ask who pay for the cost of advertisement, the producer or the customer？ Since advertisement forms part of the cost of production, which has to be covered by the selling price, it is clear that it is the customer who pays for advertisement.
It is difficult to measure exactly the influence of advertisement on sales. When the market is growing, advertisement helps to increase demand. When the market is shrinking, advertisement may prevent a bigger fall in sales than would occur without its support. What is clear is that business would not pay large sums for advertisement if they were not convinced of its value to them.
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How much is the pen？
砂率是砂的质量与石子质量的百分比。()
听力原文： W: Can I help you？
M: Yes, my son and my daughter bought this pen here for my wife's birthday, but it doesn't work so I'd like to exchange it.
W: I see, do you have the receipt with you？
M: Yes, here it is.
W: OK, let me see the pen please. Hmm. It doesn't work at all, does it？ We'll be happy to exchange it for you. Let's see, I'm afraid we don't have another purple one.
M: Oh, now what will I do？
W: Would you like to choose a different color？ We do have this pen in black and yellow.
M: My wife doesn't care for either of those colors. You don't have any other colors？
W: We have it with a red leather cover. That's three dollars more.
M: I don't think so. The children worked hard to save up the eleven dollars for this one. They would probably be upset if I paid for part of their present.
W: If you want, we can order another pen just like this one. There wouldn't be any extra charge for it.
M: That sounds like a good idea. Thank you.
Why did the man’s children buy the pen？
沥青混合料就是沥青混凝土混合料的简称。()
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