蓝皮书 cattle breeders 求解啊

celine婷 · 发表于 2014-1-13 21:44:52

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.

为什么不选D呢？partly because.... and partly because 平行
should be acquired被动语态为什么呢？

orangebees · 发表于 2014-1-14 02:55:33

D changes the meaning....

....increasingly used crossbreeding....to acquire.....

Breeders increase the use of crossbreeding because they INTENT to acquire certain characteristics NOT they should.

For example, look at the following two sentences:

Sentence A: I practice basketball to improve my speed
Sentence B: I practice basketball because I should improve my speed

A and B are different because in sentence A, I am doing something because I WANT/INTENT to. In sentence B, I am doing something because I should (which is suggestive and passive).

Answer should be E - Partly to acquire.... partly .... to provide .... is parallel

celine婷 · 发表于 2014-1-26 20:08:33

懂了！

本贴相关题目 OG-2017V-SC-218OG-2017V-SC-218
OG-2016V-SC-28
OG-2015V-SC-24
... (PSNB)

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