2. 外语
  3. Before starting on a sea voyage, prudent navigators learn the sea charts,________and memorize lighthouse locations to prepare th

Before starting on a sea voyage, prudent navigators learn the sea charts,________and memorize lighthouse locations to prepare th

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问题 Before starting on a sea voyage, prudent navigators learn the sea charts,________and memorize lighthouse locations to prepare themselves for any conditions they might encounter.
选项 A、sailing directions are studied
B、study the sailing directions
C、to direct sailing studies
D、studies direct sailing
答案B
解析 在开始海上航行之前，谨慎的航海者会查看航海图，研究航行方向，记住灯塔的位置，以便为可能遇到的任何情况做好准备。句子结构题。该句的谓语由三个平行的动词组成，应保持语法上的一致。由learn和memorize可知，study要用动词原形，故B项为正确答案。
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