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题库 / OG2017V-SC-299
Once numbering in the millions worldwide, it is estimated that the wolf has declined to 200,000 in 57 countries, some 11,000 of them to be found in the lower 48 United States and Alaska.
it is estimated that the wolf has declined to 200,000 in 57 countries, some
the wolf is estimated to have declined to 200,000 in 57 countries, with approximately
the wolf has declined to an estimate of 200,000 in 57 countries, some
wolves have declined to an estimate of 200,000 in 57 countries, with approximately
wolves have declined to an estimated 200,000 in 57 countries, some
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Incidentally, the use of "some" in this context is as a synonym for "approximately." Other examples:
I read that book some fifteen years ago.
we have a modifying phrase "once numbering in the millions worldwide," and this phrase needs to touch the noun it modifies.so (A) is incorrect. B) is passive and indirect and wordy, and has that awful preposition after the final comma.
"estimate" or "is estimated" is should not be the main verb.
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