Questions 17-22
Three actors, Roland, Simon, and Theresa, appear in a theatrical revue that consists of a sequence of skits.
In each of these skits either only one, or only two, or all three of the actors appear.
The casts for any two consecutive skits must have at least one member in common but cannot have all members in common.
The full cast for a given skit is on stage for the entire duration of that skit.
17. Which of the following can make up the casts in two consecutive skits?
(A) Roland alone followed by Theresa alone.
(B) Simon alone followed by Roland and Teresa together.
(C) Simon alone followed by Roland, Simon, and Theresa together.
(D) Simon and Theresa together followed by Roland alone.
(E) Roland, Simon, and Theresa together followed by Roland, Simon, and Theresa together.
18. If Simon appears alone in the first and fourth skits, which of the following must be true?
(A) Simon appears in all of the first four skits.
(B) Roland appears only once in the first four skits.
(C) Theresa appears both in the second and in the third skit.
(D) Roland, Simon, and Theresa together appear in the third skit.
(E) The cast for the fifth skit is the same as the cast for the third skit.
19. If Roland appears in the first skit and then does not appear in the next four skits, which of the following must be the cast in at least two of the first five skits?
Ⅰ Simon alone
Ⅱ Theresa alone
Ⅲ Simon and Theresa together
(A)Ⅰ only
(B) Ⅲ only
(C) Ⅰand Ⅱ only
(D) Ⅱ and Ⅲ only
(E) Ⅰ,Ⅱ, and Ⅲ
20. Which of the following specifies the greatest number of skits, of which no two have the same cast that could appear consecutively on the program?
(A) 5
(B) 6
(C) 7
(D) 8
(E) 9
21. If in the first five skits Roland and Simon each appear exactly twice as many times as does Theresa, which of the following must be true?
(A) Roland and Simon appear together in the first skit.
(B) Roland and Theresa appear together in the second skit.
(C) Simon and Theresa appear together in the fourth skit.
(D) Theresa appears with at least one of the other actors in each of her skits.
(E) Simon appears with at least one of the other actors in each of his skits.
22. If in the first five skits Theresa appears one more time than does Simon, and Simon appears one more time than does Roland, which of the following could be true?
(A) Simon appears exactly twice.
(B) Theresa appears neither in the second not in the fourth skit.
(C) All of Roland's appearances are solo appearances.
(D) Roland appears in two skits in which Theresa does not appear.
(E) All three actors appear together in three skits.
23. The disparity between the location of jobs and the location of affordable housing has been growing throughout the country in recent years. Housing availability has not kept up with the growth of jobs in suburban regions; the consequences are long commutes from rural and urban areas for middle- income workers and inaccessibility of job opportunities for lower-income workers.
Which of the following is the most reliable inference that can be drawn from the passage above?
(A) Lower-income workers cannot afford the expense of long commutes to jobs.
(B) Suburban housing is becoming less expensive.
(C) Middle-income workers tend to live closer to their places of work than do lower- income workers.
(D) Housing availability for workers has been an important factor in decisions to relocate businesses.
(E) Affordable housing in urban areas has become less available in recent years.
24. Ken and Lou will eat together at a restaurant only if Jan comes along with them. Jan will go only to restaurants in her neighborhood,
which is several miles from the downtown area. Manuel will go to a restaurant only if Ken also goes.
As long as the statements above are true, which of the following must also be true?
(A) Manuel does not eat at a restaurant with Jan.
(B) Lou does not eat at a restaurant with Manuel and Jan.
(C) Ken, Manuel, and Lou do not eat together at a restaurant.
(D) Manuel does not eat at a restaurant in the downtown area.
(E) Ken and Lou do not eat together at a restaurant in the downtown area.
25. Scientific journals published in the United States characteristically refer only to articles written in English. This is not because there are no interesting scientific developments reported in other languages, but because of a basic linguistic ignorance on the part of scientists in the United States. This ignorance inevitably results in a failure to benefit from scientific progress made outside the United States.
Which of the following, if true, tends to confirm the conclusion above?
(A) Scientists in other countries usually read English-language journals.
(B) Important scientific findings are eventually published in English-language journals.
(C) The linguistic ignorance of scientists is a symptom of a more general ignorance of foreign languages in the United States.
(D) Many experiments reported in scientific journals published in the United States unknowingly repeated studies done in non- English-speaking countries.
(E) Scientific progress is universal and cannot be limited to a single country. |
收藏