2. 职称英语
  3. Edison failed ______ times before he succeeded in producing the first electric l

Edison failed ______ times before he succeeded in producing the first electric l

游客2025-03-12  17
问题 Edison failed ______ times before he succeeded in producing the first electric lamp.
选项 A、thousand
B、thousands
C、a thousand of
D、thousands of
答案 D
解析 本题考查的是英语中的固定用法。thousands of times表示不特指的“成千上万次”。而a thousand times表示确切的“一千次”。根据句子意思，“爱迪生在成功发明第一个电灯泡之前经历了成千上万次的失败”，选项D)为正确答案。
转载请注明原文地址:https://tihaiku.com/zcyy/3993330.html
相关试题推荐
随机试题
最新回复(0)