Were it not （原语序：if it were not）for the fusion-powered heat and radiation that rush from its core, instead its own weight would cause a star to collapse.
A.instead its own weight would cause a star to collapse
B.instead a star would have collapsed under its own weight
C.a star would have to be collapsing under its own weight
D.a starwould collapse under its own weight（would对应if it were的虚拟语气的过去和过去将来时态；star collapse主动优于被动）
E.its own weight would have caused a star’s collapse（it指代不明，逻辑上就是a star自己，但是语法上翻译出来就是：它自己的重量可能会导致一个星体爆炸。could have的虚拟语气对应于if it had been，错；cause a star’s collapse不好，cause a star to collapse更好）
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发表于 2009-10-7 12:28:00
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