2. 外语
  3. the Europeans began to learn how to use the compass on their ships.

the Europeans began to learn how to use the compass on their ships.

admin2015-01-09  31
问题 the Europeans began to learn how to use the compass on their ships.
选项 A、It was not until the 12th century when
B、Hardly it was the 12th century than
C、No sooner it was the 12th century when
D、It was not until the 12th century that
答案D
解析 只有D项是强调结构形式，其他均不是。
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