题目内容
The word "population" in sentence 3 is closest in meaning to which of the following？
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Passive smoking is more harmful to non-smokers than to smokers.
听力原文：W: Now that we are nearing the end of our last year of school, I am very concerned about finding a job.
M: Have you checked with the employment resource center here at school？
W: Yes, there were one or two promising leads, but I'm hoping to find something a little better than those. I have a list of the most prominent accounting firms. I plan on sending my resume to each of them.
M: Tom told me that he has mailed out twenty resumes already.
W: The job market is very tight this year. I'm afraid that there will be a lot of the graduating class that will have to settle for something less than they hoped for or go to a less desirable part of the country.
M: Bob and Joe have contacted a headhunter. They hope by using those professional services they will be able to find a good position.
W: I thought of doing that myself, because their fee is too high. They would want nearly half of my first six months' salary.
M: What about that accounting firm your father's company uses？ Do you think he could give you a recommendation？
W: I hate to ask him to do that, but if my other leads don't work out, I'll ask him for help.
M: Networking the contacts you have is one of the best ways to find employment.
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The American Medical Association supports smoking and published research on the subject.
A．系统分析B．系统设计C．系统实施D．系统运行和维护
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