Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

We must look to undo the evils which have resulted from a knowledge of the physical world hastily and superficially acquired by populations unconscious of the changes in themselves that the new knowledge has made imperative.

We must look to undo the evils which have resulted from a knowledge of the physical world hastily and superficially acquired

We must look to undo the evils resulting from knowledge of the physical world hastily and superficially acquired

We must look to undo the evils resulting from a knowledge of the physical world acquired hastily and superficially

We must look to undo the evils of a knowledge of the physical world hastily and superficially acquired

We must look to undo the evils which have resulted from knowledge of the hastily and superficially acquired physical world