Scientists have identified an asteroid, 2000 BF19, that is about half a mile wide and that, if Earth is struck by it, can do part of the planet tremendous damage, but it would probably not cause planetwide destruction.
语法 Sentence Correction-2239
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Jessicasisi 2015-02-08 15:13:21
do part of the planet tremendous damage表达awkward,易有歧义，是理解成do part of （the planet tremendous damage）；it多余，应和前面can平行。It应指代asteroid, 但结构上却和前面一致，指代了earth，错。
ritarong 2015-02-06 07:18:50
can 和 would 动词时态不平行！错！
糯米团子QUQ 2016-10-03 19:57:49
is struck /can do /it would，同一句子三处，有的是正常一般时态，有的是虚拟语气，不统一。
emxiaobaocai 2015-10-28 08:03:24
but后面的it指代不明
ClaireXu 2015-10-25 14:12:06
虚拟语气中can使用错误，do damage to优于原选项，but的平行逻辑层次错误，应该与cando平行而不是scientist平行
gaoyi2202 2015-06-20 19:04:31
do part of the planet tremendous damage表述错误。
