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题目内容双击单词支持查询和收藏哦～
While most of the tasks undertaken by the interns were undemanding, a fact that led to the flood of applicants for the positions each year, there was one _____ duty: cleaning out the garbage bins in the laboratory.
- A.unambiguous
- B.facile
- C.arduous
- D.onerous
- E.tenebrous
- F.lucid
C,D显示答案
以上解析由 考满分老师提供。
