Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction. A. and, if it strikes Earth, it can do tremendous damage to part of the planet but B. and, if it would strike Earth, part of the planet could experience a tremendous amount of damage but it would C. and that, if it were to strike Earth, could do tremendous damage to part of the planet but would D. and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would E. and that, if it strikes Earth, it could experience a tremendous amount of damage but 答案C，此题我只能排除B D E答案，prep的解释说服不了我。还有，啥情况用were to这种结构，就因为这结构我第一个把C排除了。
先看平行结构啊。 and 前面的结构是identify an asteroid that xxxxx and that xxxxx 所以首先AB排除。 在看E. it could experience中的it必须省略。因为主干事identify an asteroid that could/can xxxx.
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发表于 2011-9-21 22:57:28
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