【简答题】Students who say they never or hardly ever used dictionaries often speak English well but usually write poorly, because they make many mistakes. The students who use dictionaries most do not learn esp...
【单选题】Last month a company budgeted to sell 8,000 units at a price of $12.50 per unit, and standard profit per unit is $5 per unit. Actual sales last month were 9,000 units giving a total sales revenues of ...