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题目内容双击单词支持查询和收藏哦～
Consumers may think that genetic engineering of foods is something new, but humans have been modifying plants for ages; the _____ is not that new genes are introduced but that genes can now be moved from one species to another.
- A.novelty
- B.quandary
- C.advantage
- D.innovation
- E.discrepancy
- F.predicament
A,D显示答案
以上解析由 考满分老师提供。
