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听力原文： Can you imagine ice that does not melt and is not wet？ Have your ever heard of dry ice？ Dry ice is made by freezing a gas. It is quite different from ordinary ice which is simply frozen water. Dry ice was first manufactured in 1925. It has since fulfilled the hope of its invent or. It can be used for making artificial fog in the movies. When steam is passed over dry ice, a very dense vapor rises. It can also be used for destroying insects in grain supplies. It is more practical than ordinary ice because it takes up less space and it is 142 degrees colder. Since it turns into steam, instead of melting into water, it is cleaner to use. For these reasons, it is extremely popular and many people prefer it to ordinary ice. Dry ice is so cold that if you touch it with your bare fingers, it will burn you.
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听力原文：W: Hello, Gary. How' re you？
M: Fine! And yourself？
W: Can't complain. Did you have time to look at my proposal？
M: No, not really. Can we go over it now？
W: Sure. I' ve been trying to come up with some new production and advertising strategies. First of all, if we want to stay competitive , we need to modernize our factory. New equipment should ' ye will that cost？
W: Sure. I' ye been trying to come up with some new production and advertising strategies. First of all, if we want to stay competitive, we need to modernize our factory. New equipment should' ye been installed long ago.
M: How much will that cost？
W: We have several options ranging from one hundred thousand dollars all the way up to half a million.
M: OK. We'll have to discuss these costs with finance.
W: We should also consider human resources. I've been talking to personnel as well as our staff at the factory.
M: And what's the picture？
W: We'll probably have to hire a couple of engineers to help us modernize the factory.
M: What about advertising？
W: Marketing has some interesting ideas for television commercials.
M: TV？ Isn't that a bit too expensive for us？ What's wrong with advertising in the papers, as usual？
W: Quite frankly, it' s just not enough anymore. We need to be more aggressive in order to keep ahead of our competitors.
M: Will we be able to afford all this？
W: I'll look into it , but I think higher costs will be justified. These investments will result in higher profits for our company.
M: We'll have to look at the figures more closely: Have finance draw up a budget for these investments.
W: All right. I'll see to it.
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听力原文：W: So you are going to give us a lift to the performance tonight？
M: If my car is running OK.
Q: What does the man mean？
(14)
A．Their competitors have long been advertising on TV.B．TV commercials are less expensi
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