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GRE模拟题:自测试题二(5)

留学快车整理  08-06-19 00:00:00 责任编辑:王立 我要评论 选校
Questions 13-18

  In a benefit concert each of exactly seven solo

  performers-Harris, Jones, McIntyre, Nelson, Strapp,

  Trevino, and Williams-will sing. The concert director

  is deciding the order in which the performers will sing

  and is assigning each to exactly one of seven time slots,

  numbered consecutively 1 through 7, according to the

  following conditions:

  Harris must sing at some time before McIntyre sings.

  Strapp must sing at some time before Jones sings.

  Trevino must sing either immediately before or

  immediately after Nelson sings.

  Williams must be assigned to time slot 3.

  13.Which of the following could be the order, from first

  through seventh, in which the performers sing?

  (A)Harris, McIntyre, Williams, Trevino, Nelson,

  Strapp, Jones

  (B)Jones, Harris, Williams, Strapp, McIntyre,

  Nelson, Trevino

  (C)Strapp, McIntyre, Williams, Nelson, Trevino,

  Harris, Jones

  (D)Trevino, Harris, Williams, Strapp, Nelson, Jones,

  McIntyre

  (E)Trevino, Nelson, Harris, Strapp, Williams,

  McIntyre, Jones

  14.If there are exactly four performers who are to sing

  after Nelson sings but before Strapp sings, Harris

  must be assigned to time slot

  (A)1

  (B)2

  (C)4

  (D)5

  (E)6

  15.If Williams is to sing immediately after Harris sings

  and immediately before Trevino sings, which of the

  following performers could be assigned to time slot 6?

  (A)Harris

  (B)Jones

  (C)Nelson

  (D)Strapp

  (E)Trevino

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