问题
选择题
______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.
A．That
B．When
C．Where
D．Though
答案
答案：C
考核点是状语从句。从句子结构上判断，有划线的那一分句属于状语分句，从句子意义上判断，该分句应为地点状语，故而答案应为C。
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