-> decades ago ) kill ACEQ16:
Humans have been damaging the environment for centuries by overcutting trees and
farming too intensively, and though some protective measures, like the establishment of
national forests and wildlife sanctuaries, having been taken decades ago, great increases
in population and in the intensity of industrialization are causing a worldwide ecological
crisis.
A. though some protective measures, like the establishment of national forests and
wildlife sanctuaries, having been taken decades ago, great increases in population
B. though some protective measures, such as the establishment of national forests
and wildlife sanctuaries, were taken decades ago, great increases in population
C. though some protective measures, such as establishing national forests and
wildlife sanctuaries having been taken decades ago, great population increases
D. with some protective measures, like establishing national forests and wildlife
sanctuaries that were taken decades ago, great increases in population
E. with some protective measures, such as the establishment of national forests and
wildlife sanctuaries, having been taken decades ago, great population increases
正確答案是B 我想請問A錯在哪兒？ thks~~~~
two steps:
1. verbs tense: ( having been taken <--> decades ago ) kill ACE
2.parallelism : kill D ( "establishing national forests and wildlife sanctuaries)
plus: such as / like, for reference OG208:
208. Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears.
(A) because they are composed of tissues such as tooth and bone
(B) because they are composed of tissues like tooth and bone that are
(C) because they are composed of tissues, like tooth and bone, tissues
(D) in that their composition, tissues such as tooth and bone, is
(E) in that they are composed of tissues such as tooth and bone, tissues
Only E, the best choice, clearly states that teratomas consist of tissues such as tooth and bone, and that such tissues are not normally found in the organ with the teratoma. Clear statement of this fact requires the repetition of tissues to establish the appositive—tissues normally found.... Without such repetition, A and B imprecisely state that the tooth and bone, as opposed to the tissues, are not normally found in the affected organ. Choices B and C alter the meaning with the use of like, that is, they suggest that the tissues are not tooth and bone, but only like them.The confused syntax of D states that their composition, not the tissues, is found in the organ....
so, second method for your question:
1. such as / like: kill AD
2. ...
clear explaination. thx
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