The environmental Protection Agency frequently puts mandatory controls on toxic substabces that present as little risk as one in a million chances to cause cancer. (A) as little risk as one in a million chances to cause (B) as little risk as one chance in a million of causing (C) as little risk as one chance in a million that it will cause (D) a risk as little as one chance in a million for causing (E) a risk as little as one chance in a million for it to cause 给的答案是B.我想弄明白的是A为什么不对,还有以下问题: 1)A中的to cause和B中的of causing是修饰chances还是risk? 为什么? 2)百万分之一的机会是"one in a million chances"还是"one chance in a million"? 3)为什么是present as liilte as 而不是present a risk as lillte as 请帮助分析这道题. 谢谢!
[此贴子已经被作者于2007-10-21 11:04:19编辑过] |