2002-08-13，2002-05-39

marshial

13. The distinguishing feature of a fluid, in contrast to a solid, is the ease _____ .

   (A) that a deformed fluid

   (B) to deform a fluid

   (C) when a fluid that is deformed

   (D) with which a fluid may be deformed

大家看这道题，B项是不是逻辑有问题，所以选D项？区别是什么？

[此贴子已经被作者于2004-7-18 15:45:32编辑过]

marshial

谢谢楼上的，谢谢！能否再看看这一题：

Due to persistent inbreeding ,self-pollinating plants have genetically more uniform than cross-pollinated plants, which harbor more genetic variability.

原参考答案是B，但我认为应是D，请指教！

[此贴子已经被作者于2004-7-18 15:18:08编辑过]

marshial

真的很抱歉，我实在是记不清出处了！！！不过这确实是真题的。

[此贴子已经被作者于2004-7-18 15:30:38编辑过]

marshial

印象中将B改为have had,但实在想不通，觉得没必要，因为这是一种规律性。

marshial

版主真是热心人，我来改标题！！