What is the main idea of the passage？ ______.
Americans place a very high valuation upon success
B. There are many ways to gain success in America
C. How success is measures in American
D. The Puritan believe in success
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Ironically, racial discrimination, which is ______ with democratic principles, has existed
A. incompatible
B. unanimous
C. disagreeable
D. contrary
Plenty of facts ______ him to our point of view.
A. consented
B. converted
C. conversed
D. conformed
What does the word "urge" in the last paragraph of the passage mean？ ______.
A. Motivation
B. Strength
C. Hardworking
Driving a car
Which of the following statements is true about ex-smokers according to the passage？ ______.
A. They begin to develop some diseases after quitting smoking
B. They can benefit little from quitting if they are heavy smoking
C. They are less likely to die after quitting even if they have serious diseases
D. They may regain their health almost completely if they quit in time
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