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题库 / OG2017V-SC-218
In recent years cattle breeders have increasingly used crossbreeding, in part that their steers should acquire certain characteristics and partly because crossbreeding is said to provide hybrid vigor.
in part that their steers should acquire certain characteristics
in part for the acquisition of certain characteristics in their steers
partly because of their steers acquiring certain characteristics
partly because certain characteristics should be acquired by their steers
partly to acquire certain characteristics in their steers
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做目的状语use sth to do sth =use sth for doing，托福里说 in part =partly. B and E 如何选择？ 如果主句发生，变化部分acquire 一定发生，约束力强，所以选to do, 这样理解对吧？
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