【判断题】Santa Claus enters homes by climbing down the chimney, and filling empty stockings with gifts that the children have hung at the fireplace or on their bed.
【简答题】Directions:Read the text below. Use the word at the end of each line to form a new word that fits in the space in the same line. 下面的短文有11处空白,每处空白后的括号内有一个词,请根据短文内容将其正确的形式填入文中,以恢复文章原貌。Crude OilAlth...
【单选题】An economist at the University of Alaska at Anchorage has been asked to explain why the price of Alaskan crude oil has fallen recently. In order to assemble a scholarly answer, the professor should ta...
A.
Develop a hypothesis, test the proposition by engaging in empirical analysis, and examine the data to see if it fits with the facts.
B.
Gather data on crude oil prices and seemingly unrelated variables in order to look for associations, then formulate a hypothesis based on those unexpected associations.
C.
Ask people in Alaska why they are not purchasing oil.
D.
None of the above. The oil industry is controlled by a cartel; therefore price changes in the industry cannot be explained using economic theories.