Labors share of income in rich countries has been shrinking mainly because of______.
A. the rapid increase of global labour supply
B. the low educational level of extra workers
C. the opening up of once-communist countries
D. the higher ratio of each country"s exports to GDP
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According to the author, Cindy Lightner
A. was a victim of an alcohol related traffic accident
B. founded MADD in memory of her lost daughter
C. lost her daughter in a hit and run accident
D. was determined to reduce drunk driving
Which of the following statements is true of the text？
A. Traffic accidents would be eliminated without drunk driving.
Both MADD and SADD are dedicated to curbing drunk driving.
C. MADD was formed much earlier and did much more than SADD.
D. MADD takes a more effective approach to drunk driving than SADD.
According to a report issued in Oct. 2008 by the Center for Disease Control, the U. S. ______.
A. equaled both Slovakia and Poland in the rate of infant deaths
B. fell far behind both Hungary and Cuba in health-care system
C. astonished the world with its extremely high infant mortality
D. needs to take aggressive measures to lower its infant mortality
According to the text, MADD______.
A. urges drunk drivers to hear bitter stories
B. tries its best to frighten people out of drinking
C. has considerably reduced alcohol related driving deaths
D. manages to change public"s attitude toward drunk driving
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