Probably capoeira, which is a Brazilian dance, martial art, fight thing. It’s a ________of all these things. And yes, that was very difficult because there were lots of unusual body _______to learn.
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参考答案:
举一反三
【单选题】If with one hour of labor time nation A can produce either 3X or 3Y while nation B can produce either 1X or 3Y (and labor is the only input):
A.
nation A has a comparative disadvantage in commodity X
B.
nation B has a comparative disadvantage in commodity Y
C.
nation A has a comparative advantage in commodity X
D.
nation A has a comparative advantage in neither commodity