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
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防水混凝土在受冻融作用的工程上使用时,应优先选用()。
The author writes Paragraph 3 in order to______.
A. prove the ineffectiveness of the theory of Walter Mischel
B. further demonstrate how the brain functions when facing temptation
C. state the importance for people to go on a diet
D. manifest the harm food like chocolate cakes will do to people"s health