2. 外语
  3. If the experiment succeeds or fails, it will provide us with valuable experience, which is essential to improving our future wor

If the experiment succeeds or fails, it will provide us with valuable experience, which is essential to improving our future wor

admin2007-10-13  51
问题 If the experiment succeeds or fails, it will provide us with valuable experience, which is essential to improving our future work.
选项 A、If
B、provide us with
C、valuable
D、improving
答案A
解析 应改为whether。“whether...or...”是固定搭配。
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