美国GRE考试试题:美国GRE北美试题20（3）
SECTION 5
Questions 1-3
Six employees-L, M, N, O, P, and R-are being assigned to offices, each of which can accommodate two persons and no more than two. Each person must be assigned to exactly one office and must be assigned to that office either alone or else together with one other member of the group of six. Enough offices are available to permit any possible assignment of group members to offices, but the following restrictions must be observed:
M cannot share an office with N.
N cannot share an office with O.
P and R must share an office together.
1. Which of the following pairs of employees can be assigned to one office together?
(A) L and O (B) L and R (C) N and O
(D) M and N (E) P and M
2. If N is assigned to an office alone, which of the following must be true?
(A) No one other than N is assigned to an office alone.
(B) L shares an office with O.
(C) M is assigned to an office alone.
(D) The group occupies either 4 or 5 offices.
(E) The group occupies either 3 or 6 offices.
3. If P and R are the only ones who shares an office, how many offices are the minimum that can accom- modate the group?
(A) 2 (B) 3 (C) 4 (D) 5 (E) 6
4. During the month of July in City X, the humidity was always 80 percent of higher whenever the tem- perature was 75°F or higher. Temperatures that month ranged from 65°to 95°F.
If the statements in the passage above are true, which of the following CANNOT be an accurate report of a temperature and humidity reading for City X in July?
(A) 77°F 81% (B) 76°F, 80%
(C) 75°F 79% (D) 74°F, 78%
(E) 73°F, 77%
5. Anyone who has owned a car knows that saving money in the short run by skimping on relatively minor repairs and routine maintenance will prove very costly in the long run. However, this basic truth is often forgotten by those who call for reduced government spending on social programs.
Which of the following is NOT implied by the anal- ogy above as a point of comparison?
(A) Money that is spent on repairs and mainte- nance helps to ensure the continued func- tioning of a car.
(B) Owners can take chances on not maintaining or repairing their cars.
(C) In order to keep operating, cars will normally need some work.
(D) The problems with a car will become worse if they are not attended to.
(E) A car will last for only a limited period of time and then must be replaced.
Which of the following, if true, would be most damaging to the argument above, provided that the athlete's heart rate is the same at high and low alti- tudes?
(A) Scientists have found that an athlete's heart requires a period of time to adjust to working at high altitudes.
(B) Scientists have found that the body's total volume of blood declines by as much as 25 percent at high altitudes.英语作文
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