The Harmonized System is used by more than 200 countries and ___ as a basis for their Customs tariffs and for the collection of international trade statistics.
Aeconomics
Beconomical
Ceconomy
Deconomies正確答案
答案與詳解
為什麼答案是 D
economies 是複數名詞「經濟體」，與 more than 200 countries 並列，文法與語意皆正確：超過 200 個國家與經濟體使用調和制度。
考點：學科名詞考點：詞性錯誤考點：單複數不一致考點：平行結構
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