In resent years cattle breeders have increasingly used crossbreeding,in part that their steers should acquire certain characteristicsand partly because crossbreeding is said to provide hybrid vigor.
A. in part that their steers should acquire certain characteristics B. in part for the acquisition of certain characteristcs in their steers C. partly because of their steers acquiring certain characteristics D. partly because certain characteristics should be acquired by their steers E. partly to acquire certain characteristics in their steers
小蓝答案选D，但是manhattan上选E，说是因为后面to provide和 to acquire (E中）平行结构。但是划线部分的should不用之后，语气不会有改变么，后面的partly because与partly算是平行么，请牛人解答！！感谢！！
我觉得e没有绝对错误， 而且partly xxx and partly yyy的句式还是很工整的。 从意思上来说，have increasingly used crossbreeding to acquire certain characteristics in their steers 也是正确的。 d中不说其他，我觉得有个致命的错误就是should be done。从来没有看见过有正确的选项是这样的句式。open to discuss。
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发表于 2011-3-20 10:42:23
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