【简答题】Reduce the informality of this sentence, and re-write the new sentence in the box.Q2:OK, what are the reasons that coffee prices have fallen? There're a lot of possibilities.
【单选题】Refer to the figure. What are the values of the CPI in 2009, 2010, and 2011, respectively? The table shows the prices and the quantities consumed in Carnivore Country. The base year is 2009. This mea...