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Some chemists argue that although molecular motors are (i) ____________, they are (ii) ____________ by themselves; nevertheless, the chemical principles behind them might be (iii) ____________: using the same light-activated mechanism that drives certain molecular motors, researchers have developed around 100 drug-like compounds that can be switched on or off in response to light.
- Blank(i)
- intricate
- untested
- appealing
- Blank(ii)
- promising
- straightforward
- useless
- Blank(iii)
- well established
- highly valuable
- imperfectly understood
appealing , useless , highly valuable 显示答案
以上解析由 考满分老师提供。
