2. 外语
  3. An analysis of tree bark all over the globe shows that chemical insecticides have often spread thousands of miles from where the

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

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问题 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.
选项 A、that chemical insecticides have often spread thousands of miles from where they were originally used
B、that chemical insecticides have spread, often thousands of miles from their original use
C、chemical insecticides, having often spread thousands of miles from where they were used originally
D、chemical insecticides, often spreading thousands of miles from where their original use
E、chemical insecticides, often spreading thousands of miles from where they were originally used
答案A
解析 Grammatical construction; Diction
To express the intended meaning, shows can be followed by a clause beginning with that. Another option would be to use the special clause type show + noun phrase + ing verb form, such as show chemical insecticides spreading many miles—but there should be no pause in the middle of a construction of this latter type. If there is such a pause, then chemical insecticides becomes the direct object of show, and the following verb-ing phrase is an awkward attempt at a modifier of this object. Note also that if something spreads, it spreads from a place or an entity; other ways of expressing this idea in the answer choices are awkward or illogical. Verbs without overt subjects (such as spreading here) normally are to be understood as having the same subject as the main clause.
A Correct. Show is correctly followed by a that clause, and a place is correctly identified (from where) as the source of the spread.
B Show is followed by a that clause, but insecticides are illogically said to have spread from a use, rather than from a place.
C Show can sometimes take a direct object (here, chemical insecticides). However, the construction used here makes analysis the subject of having. Thus it appears to say, illogically, that the analysis shows that the analysis itself has spread from where the insecticides were used.
D Show can sometimes take a direct object (here, chemical insecticides). However, the construction used here makes analysis the subject of spreading. Thus, it appears to say, illogically, that the analysis shows that the analysis itself often spreads from where the insecticides were used. Also, where their original use is grammatically incorrect {where they were originally used is a correct alternative).
E Show can sometimes take a direct object (here, chemical insecticides). However, the construction used here makes analysis th s subject of spreading. Thus, it appears to say, illogically, that the analysis shows that the analysis itself often spreads from where he insecticides were used.
The correct answer is A.
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