来源：新东方版 2017-06-17 18:45
46. [A] It's backed by a campus spending analysis.
47. [B] Facilities management by colleges is more cost-effective.
48. [C] render a number of campus workers jobless
49. [A] The outsourcing plan is not yet finalized.
50. [D] He opposed the governor's plan to reconstruct the college board system.