Smoking causes lung cancer, which is the number one cancer among men. Ninety percent of the people who get lung cancer die. Smoking is also the leadin

Smoking causes lung cancer, which is the number one cancer among men. Ninety percent of the people who get lung cancer die. Smoking is also the leading cause of mouth cancer, tongue cancer, and throat cancer. Many smokers have heart disease and pneumonia. Smoking causes one million early deaths in the world every year.
Smokers not only harm themselves but also harm others. Smokers breathe smoke out into the air. They breathe
*it* out on their children and their wives or husbands. Children whose parents smoke have more breathing and lung problems than other children. Women who are married to smokers are more likely to have lung cancer than those married to non-smokers.
We are all aware that smoking is bad. So why do people smoke?
48.The number one cancer among men is____________.
(1 Point)
A. tongue cancer
B. throat cancer
C. lung cancer
D. mouth cancer
49.The main cause of mouth cancer, tongue cancer and throat cancer is__________.
(1 Point)
A. drinking
B. overeating
C. breathing
D. smoking
50.Every year, smoking causes about one million____________.
(1 Point)
A. cancer patients
B. killing diseases
C. early deaths
D. injured men
51.The word *it* in the passage refers to____________.
(1 Point)
A. cancer
B. smoke
C. air
D. breath
52.Who are more likely to have lung cancer and lung problems?
(1 Point)
A. People who live in the city
B. People who live with smokers.
C. People who live with non-smokers.
D. People who live in the country.
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