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题目内容双击单词支持查询和收藏哦～
The laboratory maze has grown ever less _____ since it was first invented instead of hoping to lose a rodent in a labyrinth; today's scientists design mazes to elicit a few simple, easily measured behaviors.
- A.intricate
- B.extensive
- C.effective
- D.convoluted
- E.useful
- F.prevalent
A,D显示答案
以上解析由 考满分老师提供。
