The scientists were trying to look for all possible as to where this species came from.
A. signals
B. marks
C. clues
D. spots
The scientists were trying to look for all possible as to where this species came from.A.
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解决时间 2021-03-23 06:20
- 提问者网友：相思似海深
- 2021-03-22 22:16
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- 五星知识达人网友：不想翻身的咸鱼
- 2021-03-22 22:46
A. signalsB. marks(答案→)C. cluesD. spots解析：句意，科学家们正在努力寻找一切关于人类从哪里来的线索。Signals信号marks痕迹clues线索spots地点，根据题意，故选C。
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- 1楼网友：野慌
- 2021-03-22 23:59
对的，就是这个意思
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