Children of smokers are more likely to start smoking than are children of ______ (smokers).

In general, smokers living in cities are slightly more _________ to lung cancer than smokers who are living in the country.

It is evident that the author is NOT in favor of ______. A: building a wall between smokers and non-smokers B: doing scientific research at the expense of one's health C: bringing smokers and nonsmokers together D: providing accommodation for smokers

The number of adult smokers may be ________, but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years.

In general, smokers living in cities are slightly more ( ) to lung cancer than smokers who are living in the country. A: sufficient B: prone C: commonplace

In general, smokers living in the cities are slightly more ______ to lung cancer than smokers living in the country. A: commonplace B: good C: easy D: prone

Doctors should try to persuade smokers to _____ the habit.

Smokers are well aware ________the dangers to their own health.

In general, smokers living in cities are slightly more _____ to lung cancer than smokers who are living in the country. A: prone B: commonplace C: endeavor D: simultaneous

In general, smokers living in cities are slightly more ________ to lung cancer than smokers who are living in the country. A: be apt to B: be easy to C: prone D: be liable to