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逻辑主语,排除AB D astronomers have developed a scale for rating thelikelihood that a particular asteroid or comet will that 指代likelihood,但是likelihood在句子a particular asteroid or comet will中做什么成分,好像都说不通 E 句子混乱,此外likelihood和may属于redundancy C 句子结构没有问题,astronomers have developed a scale to rate how likelya particular asteroid or comet will be to collide with Earth will be to do sth 表示将来做什么 但是,它与will do有什么区别,忘了 |
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