GRE網(wǎng)絡(luò)課堂邏輯筆記-孔毅主講[6]

字號(hào):

Passage 6
    Two male singers, P and S; two female singers, R and V; two male comedians, T and W; and two female comedians, Q and U, are the eight entertainers who are to perform at the Stuart heater on a certain
    night. Each entertainer is to perform alone and only once that night. The entertainers may perform in any
    order that conforms to the following restrictions:
    The performances by singers and the performances by comedians must alternate throughout the evening.
    The first performance that evening must be by a female entertainer, and the second performance by a male entertainer.
    The final performance must be by a male singer.
    1. Which of the following could be the last of the entertainers to perform?
    (A) R (B) S (C) T (D) V (E) W
    2. Which of the following could be the first of the entertainers to perform?
    (A) P (B) R (C) U (D) V (E) W
    3. If R is to perform fourth, which of the following must perform sixth?
    (A) P (B) S (C) U (D) V (E) W
    4. If U is to perform seventh, which of the following must perform first?
    (A) Q (B) R (C) S (D) T (E) V
    5. If P is to perform eighth, which of the following must perform second?
    (A) R (B) S (C) T (D) V (E) W
    6. If T is to perform third, W must perform
    (A) first or fifth (B) second or fifth
    (C) fourth or seventh (D) fifth or seventh
    (E) sixth or seventh
    7. If Q is to perform third, V fourth, and W fifth, which of the following must perform sixth?
    (A) P (B) R (C) S (D) T (E) U
    keys:
    passage 1: 1.E 2.A 3.C 4.A 5.C
    passage 2: 1.A 2.E 3.B 4.E 5.C
    passage 3: 1.D 2.E 3.A 4.C 5.D
    passage 4: 1.D 2.C 3.E
    passage 5: 1.A 2.A 3.D 4.E
    passage 6: 1.B 2.C 3.D 4.A 5.B 6.D 7.B