问题：
[单选] The purpose of a custom is to cut down imports in order to protect domestic industry and workers from foreign competition.
A . tax
B . toll
C . fee
D . tariff
问题：
[单选] The purpose of a custom is to cut down imports in order to protect domestic industry and workers from foreign competition.
A . tax
B . toll
C . fee
D . tariff
D
【答案】D【解析】tax“税，税款”；toll“服务费”；fee“费用”；tariff“关税”。
VIP截止日期：2024-12-30 23:33:46
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