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5. Critics of the trend toward privately operated prisons consider corrections facilities to be an integral part of the criminal justice system and question if profits should be made from incarceration.

　　(A) to be an integral part of the criminal justice system and question if

　　(B) as an integral part of the criminal justice system and they question if

　　(C) as being an integral part of the criminal justice system and question whether

　　(D) an integral part of the criminal justice system and question Whether

　　(E) are an integral part of the criminal justice system, and they question whether

6. The Federal Reserve Board's reduction of interest rates on loans to financial institutions is both an acknowledgment of past economic trends and an effort to influence their future direction.

　　(A) reduction of interest rates on loans to financial institutions is both an acknowledgment of past economic trends and an effort

　　(B) reduction of interest rates on loans to financial institutions is an acknowledgment both of past economic trends as well as an effort

　　(C) reduction of interest rates on loans to financial institutions both acknowledge past economic trends and attempt

　　(D) reducing interest rates on loans to financial institutions is an acknowledgment both of past economic trends and an effort

　　(E) reducing interest rates on loans to financial institutions both acknowledge past economic trends as well as attempt

Answer：

5. When consider means "regard as," as it does in this sentence, its object should be followed immediately by the phrase that identifies or describes that object. Thus, to be in A, as in B, and as being in C produce unidiomatic constructions in the context of the sentence. Also, although (/and whether can be used interchangeably after some verbs, question if, which appears in A and B, is unidiomatic, and they in B is unnecessary. E also contains the unnecessary they, and it uses the ungrammatical construction consider... facilities are. Grammatically and idiomatically, sound D is the best choice.

6. Choice A is best. In B, both must come before acknowledgment if it is to link acknowledgment and effort; as misplaced here, it creates the unfulfilled expectation that the reduction of interest rates will be an acknowledgment of two different things. Moreover, both... as well as ... is redundant: the correct idiom is both x and y. In C, the plural verbs acknowledge and attempt do not agree with their singular subject, reduction; also, it is imprecise to characterize a reduction as performing actions such as acknowledging or attempting. In both D and E, the use of the participle reducing rather than the noun reduction is awkward. Like B, D misplaces both, while E repeats both the redundancy of B and the agreement error of C.

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