It can be implied that the main difference between "S" and "R" strains is in their ______.
A. need for sodium 22
B. amount of salt intake
C. reaction to salt
D. type of blood
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【B2】
A. textbooks
B. magazines
C. manuals
D. booklet
All of the following statements are true EXCEPT ______.
A. young people couldn't afford their own tuition in the 1970's
B. it's difficult for graduates from colleges to find a job in the 1970's
C. fewer parents could afford to send their children to college because of the recession in 1970's
D. birthrate dropped in the 1970's because of the recession
In the U.S., the expression that thin is "in" and fat is "out" probably means ______.
A. thin is "diligent" and fat is "lazy"
B. thin is "fashionable" and fat is "unfashionable"
C. thin is "inside" and fat is "outside"
D. thin is "spiritless" and fat is "vigorous"
American cars were not popular in their domestic markets because they were ______.
A. small
B. gas consuming
C. fuel efficient
D. not attractive
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