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【判断题】
任何简单的、易于辩认的几何形状都 给人以明确肯定的感觉A.
正确
B.
错误
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【简答题】Cyber Cafes are found in many cities around the world. Now, a few American high schools are opening these centers . For example, a high school in the state of Maryland began operating a Cyber Café las...
【单选题】Consider Figure 5.6. In the global market for wine, the EU is willing to supply as much wine as the US demands at $8 per bottle. IF the US imposes a quota of 15 bottles of wine, how much wine will US ...
A.
30 bottles, 20 bottles, 10 bottles
B.
40 bottles, 25 bottles, 15 bottles
C.
30 bottles, 30 bottles, 0 bottles
D.
30 bottles, 15 bottles, 15 bottles
【单选题】(Figure: Wine and Wheat) Using the graph, if this economy is producing at point A, we know the economy is:
A.
using its resources efficiently.
B.
using its resources inefficiently.
C.
producing at an unattainable point.
D.
trading with another country.
【简答题】The students all say there may be _______(many) cars on the roads.
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