OG11-22 (紫色)

22．  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

(A)  in part that their steers should acquire certain characteristics

(B)  in part for the acquisition of certain characteristics 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

Parallelism + Rhetorical construction

The sentence gives two reasons that cattle breeders use crossbreeding；these reasons should be introduced in parallel ways with the word partly．The infinitive to acquire
            clearly and concisely conveys the purpose of the crossbreeding．

A  In part should be partly；use of relative clause is ungrammatical．

B  In part should be partly；wordy and awkward use of prepositional phrases．

C  Because of suggests that crossbreeding has occurred because the steers have already acquired certain characteristics．

D  Passive voice should be acquired by is awkward and illogical．

E  Correct．In this sentence，the word partly is used to introduce both reasons；the phrase to acquire certain characteristics is clear and concise．

The correct answer is E．

我怎么觉得D更平行啊？两个partly because后面都是被动句？？

这个要仔细想想 因为这个题目不是想表达因为 而是表达的是目的

 partly to and partly to

 because crossbreeding is said 是插入

对不起，我还是想不明白为什么 because crossbreeding is said 是插入

另外，我怎么觉得这个句子是partly to acquire certain characteristics in their steers（不定式）和partly because crossbreeding is said to provide hybrid vigor（从句）的平行呢？从意思上来看……

这个句子想不清楚，所以，再次请教一下，谢谢大家！