(2008-07-28 18:23)-
1、______with the new method, the material does not break up easily. A. To have treated B. Having treated C. Being treated D. Having been tre...全文
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teachershuang：原帖由 Lorraine 于 2008-7-23 13:28 发表 [图片] 1、______with the new method, the material does not break up easily. A. To have treated B. Having t...(2008-07-25 18:18)
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w7525125y：1.选D,意思是,"被新方法处理了之后,这种材料不会很容易就坏了".对于材料来说,是"被处理",被动的只有C和D,而根据题目意思,是处理好以后,所以用现在完成时的被动D. 2.A 3.C 4.B在他从大学回来的路上，他找到了那被破坏...(2008-07-23 19:10)
