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题目内容双击单词支持查询和收藏哦～
The research institute publishes new material on its Web site well in advance of its appearance in print; inevitably, there is a lot of dross, but fortunately, much of the material is both ______________ and free.
- A.speculative
- B.specious
- C.copious
- D.valuable
- E.perplexing
D显示答案
以上解析由 考满分老师提供。
