标题: 求教各位大牛OG12 No.23 的语法结构 [打印本页] 作者: micro418 时间: 2010-3-22 01:44 标题: 求教各位大牛OG12 No.23 的语法结构 In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is lined with lead around the perimeter, thereby improving stability in flight an resulting in longer throws. (A)In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is (B)According to a previous design, the weight of the discus used in track competition was concentrated in a metal center, but now it is (C)Once designed with its weight concentrated in a metal center, the discus used in track competition is now (D)The discus used in track competition, once designed with its weight concentrated in a metal center, but now (E)The discus used in track competition was once designed having its weight concentrated in a metal center and now 该题目正确答案很容易判断。在下就是想问一下，E选项里面的 “The discus used in track competition was once designed having its weight concentrated in a metal center ” 中having的用法对不对，还请大牛指导一下这个结构是怎么回事！谢谢！ 作者: 蜕_舞 时间: 2010-4-5 20:28
看到别的地方的大牛写的:having的用法是错的，
design something to do something be designed for somebody/something be designed as something