There is a general awareness that smoking is harmful.

Generalizations are hurtful/harmful. Stereotypes are helpful.

The following statement about Tracking 30,000 Americans for eight years,which is TRUE A: The belief that stress is harmful is the leading cause of death in the United States. B: People who don't believe stress is bad for them don't die prematurely. C: There was no significant increase in the risk of death among those who experienced more stress and believed that stress was harmful. D: Those who experienced a lot of stress but did not view stress as harmful had the lowest risk of death.

Exposure of the body_ the strong light may be harmful.

Exposure of the body ＿ the strong light may be harmful.

___________(expose) of the body to sunlight for a long time can be harmful.

If there are large disparities in wage levels between countries, then A: trade is likely to be harmful to both countries. B: trade is likely to be harmful to the country with the high wages. C: trade is likely to be harmful to the country with the low wages. D: is likely to be harmful to neither country.

harmful：_______________(adv.)

It is known to us that smoking is harmful to one's health.____________________________, smoking is harmful to one's health.

using cell phones over a long period of time may be harmful.