2. 职称英语
  3. ______ is not known yet.A、If this method is betterB、Whether this method is bett

______ is not known yet.A、If this method is betterB、Whether this method is bett

游客2025-03-13  7
问题 ______ is not known yet.
选项 A、If this method is better
B、Whether this method is better
C、If this method is better or not
D、Whether this method better
答案 B
解析 一般用whether引导主语从句，if引导的从句通常不作主语，偶尔作主语也只能后置，在句首的主语从句决不用if引导。本题正确答案为B。
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