2. 外语
  3. Only by publishing at least five articles on top journals______have the chance to be promoted to professors.

Only by publishing at least five articles on top journals______have the chance to be promoted to professors.

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问题 Only by publishing at least five articles on top journals______have the chance to be promoted to professors.
选项 A、teachers can
B、can teachers
C、a teacher can
D、can a teacher
答案B
解析 本题考查倒装结构和前后呼应。Only+状语结构置于句首时，主句需要倒装，故排除A和C。因为句中使用的是professors，因此可判定主语也用复数形式teachers与之呼应。故本题答案为B。
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