In contrast to environmentalist’s proposals to limit emissions of certain pollutants, the administration proposed calling for mandatory restrictions of only three such pollutants from power plants-mercury, sulfur dioxide, and nitrogen oxides-and the plan would delay such cuts until 2010 or later. A. administration proposed calling for mandatory restriction of B. administration proposed a call for mandatory restrictions, including those for C. administration, proposing mandatory restrictions on D. administration’s proposal was a call for mandatory restrictions, which include E. administration’s proposal would call for mandatory restrictions on
答案是E, D为什么不可以呢 E中为什么要用would呢
[此贴子已经被作者于2007-6-7 15:24:43编辑过] |