第八篇

• 1、

  It is easy to determine whether smoking is hazardo

• 2、

  Smoking reduces one’s life expectancy.

• 3、

  Smoking may induce lung cancer.

• 4、

  There is evidence that smoking is responsible for

• 5、

  Male smokers have a lower death rate from heart di

• 6、

  Nicotine is poisonous.

• 7、

  Filters and low tar tobacco make smoking safe.