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, itcould experience a tremendous amount of damage but
望高人相助~ 作者: ryanxie 时间: 2010-1-13 17:05
前面一个that的确是已经证实的，后面一个that引导的从句是虚拟语气吧，怕看不清楚，还专门插入了一个if it were...作者: fish2006 时间: 2010-1-14 08:05
并列结构 Scientists have identified an asteroid that is ... and that could do... identify这里不要翻译成证实，可以翻译成发现、识别的意思。