中国石油大学 / 中石油
正确率:100%
33. Protection measures which are often taken by governments are also barriers to trade, and typical examples are ____and____.
A、tariffs and quotas
B、tariffs and subsidies
C、quotas and subsidies
D、taxes and tariffs
A、tariffs and quotas
B、tariffs and subsidies
C、quotas and subsidies
D、taxes and tariffs
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