OG两道 “from where ”语法题---一道正确，一道错误

小目标750

OG19-Verbal-222

An analysis of tree bark all over the globe shows that chemical insecticides have often spread thousands of miles from where they were originally used.

(Al that chemical insecticides have often spread thousands of miles from where they were originally used

(Bl that chemical insecticides have spread, often thousands of miles from their original use

(Cl chemical insecticides, having often spread thousands of miles from where they were used originally

(Dl chemical insecticides, often spreading thousands of miles from where their original use

{El chemical insecticides, often spreading thousands of miles from where they were originally used

OG19-综合-740

In some types of pine tree, a thick layer of needles protects the buds from which new growth proceeds; consequently they are able to withstand forest fires relatively well.

A. a thick layer of needles protects the buds from which new growth proceeds; consequently they are able to withstand forest fires relatively well

B. a thick needle layer protects buds from where new growth proceeds, so that they can withstand forest fires relatively well

C. a thick layer of needles protect the buds from which new growth proceeds; thus, they are able to withstand relatively well any forest fires

D. since the buds from which new growth proceeds are protected by a thick needle layer, consequently they can therefore withstand forest fires relatively well

E。  because the buds where new growth happens are protected by a thick layer of needles, they are able to withstand forest fires relatively easily as a result

第一道题 from where用法正确， 第二道题from where 用法错误。

在网上没有找到合理的解释，希望有大神可以解释一下，互相交流，谢谢。

原野清风

第一个看做（thousands miles from）一个地点，这个地点是where。。。，第二个是因为from which 是prep+which的用法，还原就是new growth proceeds from （which）the buds ，如果写作from where 那么就不符合prep+ which用发了。

小目标750

原野清风 发表于 2018-12-23 16:04
第一个看做（thousands miles from）一个地点，这个地点是where。。。，第二个是因为from which 是prep+whi ...

谢谢回复！  第一道题理解了， where代表一个地点；第二道题是不是可以这样理解：  the buds （from which new growth proceeds), from which...部分是修饰the buds,  所以  from which 可以相等于where , 但是 from where 不make sense

原野清风

小目标750 发表于 2018-12-24 10:12
谢谢回复！  第一道题理解了， where代表一个地点；第二道题是不是可以这样理解：  the buds （from whic ...

嗯