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If we remove 'twice' it would be 'rate of increase........was as fast as...'. Awkward and wrong construction.
In my opinion rate of increase is what it is, adjective 'fast' is a redundancy . I belive rate of increase.... was twice what it was... is better than rate of increase.... was twice as fast as it was... in as in B
Last edited by rishi2377 on 12 Sep 2008, 14:16, edited 1 time in total.
In the 1980s the rate of increase of the minority population of the United States was nearly twice as fast as the 1970s.
A. twice as fast as
B. twice as fast as it was in
C. twice what it was in
D. two times faster than that of
E. two times greater than
The rate of increase in 1980's is twice...of what? It is not saying the speed but talking on "extent"...so C should be the answer. Twice (adverb) what (the rate of increase) it was in 1970s. Also // structure...So, Answer should be C.