GRE出国考试模拟试题18

文章作者 100test 发表时间 2007:03:25 21:35:44
来源 100Test.Com百考试题网

SECTION 1
Time –30 minutes
25 Questions

Questions 1-5
Five participants at an international conference are planning to take a car trip together. Two persons― the driver and one passenger― will sit in the front seat of the car, and three persons will sit in the back seat. The names of the five participants and all of the languages that each of them speaks are as follows:
Mohsen: Farsi and Hebrew
Orlando: Italian and Russian
Shelly: Hebrew and Russian
Theo: German and Italian
Ursula: Farsi, German, and Hebrew

The participants must be seated in the car according to the following restrictions:
The driver must be Orlando or else Shelly. Two persons can be seated side by side only if at least one of the languages they speak is the same.

1.Which of the following is an acceptable seating arrangement, with the driver listed first under “Front Seat” and the passengers in the back seat listed from
one side to the other side?Front Seat Back Seat
(A) Mohsen, Ursula Theo, Orlando, Shelly
(B) Orlando, Mohsen Shelly, Theo, Ursula
(C) Orlando, Shelly Mohsen, Ursula, Theo
(D) Shelly, Mohsen Ursula, Orlando, Theo
(E) Shelly, Orlando Theo, Mohsen, Ursula

2.If Mohsen sits in the front seat, which of the following can be true?
(A) Orlando will be the driver.
(B) Orlando will sit next to Ursula.
(C) Shelly will sit in the middle position in the back
(D) Shelly will be the driver.
(E) Ursula will sit in the middle position in the back seat.

3.If Theo sits in the front seat, which of the following must be true?
(A) Mohsen and Shelly will sit side by side.
(B) Mohsen and Ursula will sit side by side.
(C) Orlando and Theo will sit side by side.
(D) Orlando and Ursula will sit side by side.
(E) Shelly and Ursula will sit side by side.

4.If both persons sitting in the front seat speak Hebrew, then it must be true that
(A) exactly one person sitting in the back seat speaks Russian
(B) neither speaker of Farsi is sitting in the front seat
(C) no one sitting in the front seat speaks Russian
(D) no one sitting in the back seat speaks Hebrew
(E) a speaker of Russian is sitting in the middle position in the back seat

5.Which of the following must be true if Orlando is the driver?
(A) If Shelly sits in the front seat, Ursula will sit in the middle position in the back seat.
(B) If Shelly sits in the back seat, she will sit next to Ursula.
(C) If Theo sits in the front seat, Ursula will sit in the middle position in the back seat.
(D) If Theo sits in the back seat, he will sit between Mohsen and Ursula.
(E) If Ursula sits in the back seat, she will sit in the middle position in the back seat.seat.
Questions 6-7 are based on the following graph

6.Which of the following, if true about early 1990,would most help to explain the decrease, in 1990, of the percent of people commuting to jobs in downtown Allentia who do so via public transportation?
(A) The termination of a governmental subsidy to the public transportation system that serves both the city and its suburbs caused a sub-stantial increase in fares.
(B) Many new trains and buses were put into service in the public transportation system both within the city and between the city and its suburbs.
(C) Security was improved in the passenger waiting areas and on the public trains and buses used within the city as well as on those used between the city and its suburbs.
(D) Legislation was passed that increased the fre-quency of public transportation service within the city as well as between the city and its suburbs.
(E) The number of points served by the public trans-portation system both within the city and between the city and its suburbs was increased substantially byadding new routes.

7.Which of the following, if true about early 1992, could most contribute to an explanation of the change, between 1991 and 1992, in the percent of those who commute via public transportation from the outer suburbs of Allentia, as compared to the change for
the other group of commuters?
(A) The price per gallon for gasoline declined by ive percent.
(B) The cost of using public transportation, per mile traveled, increased.
(C) The number of people who commuted to work via public transportation from points in or near downtown Allentia increased.
(D) The frequency of public transportation service between the city and its suburbs decreased.
(E) The cost per mile of getting to and from work by car tripled.

8.A new and more aggressive form of the fungus that caused the
Irish potato famine of the nineteenth century has recently arisen.
However, since this new form of the fungus can be killed by
increased application of currently used fungicides, it is unlikely
that the fungus will cause widespread food shortages in countries
that currently rely on potatoes for sustenance.

Which of the following, if true, most calls into question the con-
clusion in the argument above?
(A) Though potatoes are an important staple crop in many parts
of the world, people in most countries rely primarily on
wheat or rice for sustenance.
(B) Potato farmers in many countries to which the new form of
the fungus has spread cannot afford to increase their spending
on fungicides.
(C) The new form of the fungus first began to spread when con-
taminated potato seeds were inadvertently exported from a
major potato-exporting country.
(D) Potato farmers in most countries use several insecticides on
their crops in addition to fungicides of the sort that kill the
new form of the fungus.
(E) Most governments have funds set aside that can be used to
alleviate the effects of large-scale disasters such as severe
food shortages and floods.