GMAT申友句子改错SC题库-In California, a lack of genetic variation in the Argentine ant has allowed the species to spread widely;due-OG2022-真题答案解析

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SC743-755题

In California, a lack of genetic variation in the Argentine ant has allowed the species to spread widely;due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits the spread of this species in its native Argentina.

A.due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

B.due to its being so genetically similar, the ant considers all its fellows to be a close

relative and thus does not engage in the kind of fierce intercolony struggles that limit

C.because it is so genetically similar, the ant considers all its fellows to be close relatives and thus does not engage in the kind of fierce intercolony struggles that limits

D.because they are so genetically similar to one another, the ants consider all their fellows to be close relatives and thus do not engage in the kind of fierce intercolony struggles

that limit

E.because of being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles

that limits

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答案：

Diction; Agr

eement

Words that express comparisons, such as similar, require either a plural object, with an

optional expression of the entities being compared, or a singular object, in which case this explicit comparison is required. Thus its being so genetically similar, without this explicit comparison, is incorrect. Also, the two sides of the construction consider … to be must agree in number (fellows … close relatives, not fellows … a close relative).

A.Consider all their fellows to be a close relative shows incorrect agreement, with plural

fellows and singular a close relative.

B.Its being so genetically similar is incorrect because there is no explicit statement of what the ant is similar to; also, the plural fellows and singular a close relative do not agree.

C.It is so genetically similar is incorrect because there is no explicit statement of what the ant is similar to.

D.Correct. The clause with similar uses the plural they and an explicit to one another, and agreement is respected between ants and fellows.

E.The plural fellows and singular a close relative do not agree.

The correct answer is D.