2. 职称英语
  3. Professor Smith and Professor Brown will________in presenting the series of lect

Professor Smith and Professor Brown will________in presenting the series of lect

游客2025-05-02  20
问题 Professor Smith and Professor Brown will________in presenting the series of lectures on American literature.
选项 A、alter
B、alternate
C、substitute
D、exchange
答案 B
解析 alternate补充的，交替。alter改变，改动，变更。substitute替代，取代。exchange兑换，交流。
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