Chapter 5: Quiz 3
Answer Key

Note: Answers expressing the main idea will vary.


1.

Main idea: Although extremely low-calorie diets seem to extend the life span, they may have major drawbacks for humans.

Pattern: e

2.

Main idea: For several everyday tasks, the tried-and-true, older method of doing things is actually quicker than newer methods.

Pattern: d and e

3.

Main idea: One study suggests that laparoscopic surgery for colon cancer patients is as effective as—or maybe even a little more effective than—conventional surgery.

Pattern: d and e

4.

Main idea: Teenagers' positive perceptions of smokers seem to be influenced by portrayals of smokers in advertisements and the media.

Pattern: b and e

5.

Main idea: Due to a lack of earthquake engineering, the death tolls from earthquakes are higher in the developing world than in more industrialized countries.

Pattern: d



Last change made to this page: May 22, 2004

Chapter 5: Quiz 3