【简答题】Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage ...
【单选题】Assume a U.S. dealer bought 100 TVs from South Korea for $250 each in 2006. He subsequently sold 80 of them in 2006 for $450 each, and the rest in 2007 for $400 each. By how much was the U.S. GDP affe...