Question

This question presents a sentence, part of all of which is flagged by " ||" . Beneath the sentence you will find five ways of phrasing the flagged part. Follow the requirements of standard written English to choose your answer, paying attentions to grammar, word choice and sentence construction. Select the option that produce the most effective sentence. Scientists have recently found evidence that black holes—regions of space in which matter is so concentrated and the pull of gravity so powerful that nothing, not even light, can emerge from them—probably || exist at the core of nearly all galaxies and the mass of each black hole is proportional to || its host galaxy.

Answer 1

The best way of phrasing is letter ''B'' - ''exist at the core of nearly all galaxies and that the mass of each black hole is proportional to that of its galaxy.''

Alternativa A

Incorreta porque compara erroneamente ''the mass of every black holes'' com ''its host galaxy''  

Alternativa B

Correta  porque o plural do substantivo ''black holes'' está corretamente ligado com o verbo ''exist'' no plural. Além disso, a comparação entre ''the mass of every black hole'' com ''that (mass) of its host galaxy'' está feita de forma correta.

Alternativa C

Incorreta  porque a comparação deve sempre ser feita entre coisas similares. Nessa alternativa, a comparação é feita entre ''the mass of every black hole'' com ''its host galaxy''.

Alternativa D

Incorreta porque o verbo ''exists'' se refere à terceira pessoa do singular e o sujeito é ''black holes'' que está no plural. Outro erro é o uso da vírgula antes da conjunção ''and''.

Alternativa E

Incorreta porque o verbo ''exists'' se refere à terceira pessoa do singular e o sujeito é ''black holes'' que está no plural.

Complementando a tarefa

(A) exist at the core of nearly all galaxies and the mass of each black hole is proportional to

(B) exist at the core of nearly all galaxies and that the mass of each black hole is proportional to that of   √

(C) exist at the core of nearly all galaxies, and that the mass of each black hole is proportional to

(D) exists at the core of nearly all galaxies, and that the mass of each black hole is proportional to that of

(E) exists at the core of nearly all galaxies and the mass of each black hole is proportional to that of

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