单项选择题
A.of high quality teaching professionals B.of excellent academic background C.with various cultures D.with adequate funding
A.To dramatize the diversity of body language. B.To emphasize the necessity of an excellent command of body language. C.To highlight the existence of body language. D.To explain the word "gesture".
A.They overlook the risks of the food they eat. B.They overestimate the hazards of their food. C.They are overoptimistic about the safety of their food. D.They overstate the government’s interference with the food industry.