One characteristic of the new workforce is______.
A. the low educational level of it compared to previous years
B. the large share of Mexican immigrants
C. the low educational level of its immigrants
D. a gap between educational levels in certain immigrants
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Which of the following is the best title of the text？
A. How to have a successful diet
B. How to resist temptation
C. Factors affecting dieting
D. Rules to follow for dieting
A trend in the new American workforce is______.
A. a declining number of males entering the workforce
B. a growing oversupply of workers in relation to demand
C. a growing oversupply of immigrant workers
D. a decreasing share of white workers in the workforce
防水混凝土在受冻融作用的工程上使用时，应优先选用（）。
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