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  3. If you smoke-particularly cigarettes-you are far more likely than a non-smoker to suffer or die from several major diseases-nota

If you smoke-particularly cigarettes-you are far more likely than a non-smoker to suffer or die from several major diseases-nota

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问题        If you smoke-particularly cigarettes-you are far more likely than a non-smoker to suffer or die from several major diseases-notably lung cancer.
One smoker in four dies prematurely (过早的) because of his smoking. The risk of dy-ing for a heavy smoker (between the ages of 35 and 55) is roughly equal to the risk run by a non-smoker 10 years older.
    Cigarette smoking-and to a lesser degree pipe and cigar smoking--may aggravate (使恶化) or be partly responsible for the development of a wide variety of other diseases, which include cancers of the mouth and throat, peptic ulcers (胃溃疡), and loss of teeth.
Women who smoke during pregnancy produce babies on average about 5 to 8 ounces lighter than those who don’t.
      Take lung cancer for example.Britain’s lung cancer figures are the highest in the world, and still rising. Ninety peo-ple die every day, 33,000 in 1969. Almost all these deaths can be attributed directly to to-bacco smoking. The prospects of a cure for lung cancer are, at present, remote, and it is impossible to estimate when, if ever, someone will find one. You would be foolish to rely on someone finding a cure before you needed it.
     One man in eight who die between the ages of 35 and 64 is killed by lung cancer. The figures for women in this age group are lower, about 1 in 20. This is partly because women smoke less, and have not smoked as long. But the figures are still very high.
What is the main idea of the passage?
选项 A、Man-smokers live shorter than woman-smokers.
B、All the deaths in Britain result directly from tobacco smoking.
C、Smoking is the main killer of babies.
D、Smoking can give rise to several major diseases.
答案D
解析 参见第一段，后面只是举例说明论证。
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