試題詳解

49. According to the passage, what might happen to Americans if the problem of “graceful decline” is not dealt with immediately ?
(A)
They might have to pay more to attend a university.
(B) They might not be able to continue to enjoy their present good quality life.
(C) Their economy might encounter fierce competition from other countries.
(D) Their leaders might become less knowledgeable and unable to lead the country.