Q3:
Were it 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 star would collapse under its own weight
E. its own weight would have caused a star’s collapse
Answer: d
为什么答案是D呢？有人能帮忙解答吗？
还有想问下，有没有GWD的题目的解析一类的资料呢？我在Topway上找了半天也没找到。。。烦请有的牛人发个链接或传个文件呗~谢谢。。。作者: bobchowz 时间: 2012-2-8 21:00
