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
查看答案
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（）。
微信支付 
支付宝支付