填空题

Smokers’ cardiovascular systems adapt to ______.

【参考答案】

the intake of environmental smoke

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Teenagers whose parents smoke are at risk of getting lung cancer at some time during their lives.

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Owning a car has become a common desire for most young and middle-aged people. 2. The advantages and disadvantages of having a private car. 3. My suggestions on how to improve the sales and use of private cars and the public transportation in big cities. Why I Want to Buy a Car

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