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TEST13 CRITICAL REASONING 2(1)
文章出处:  发布时间:2006-07-09
SECTION Ⅳ

Time-35 minutes

24 Questions

Directions: The questions in this section are based on the reasoning contained in brief statements or passages. For some questions, more than one of the choices could conceivably answer the question. You should not make assumptions that are by commonsense standards implausible, superfluous, or incompatible with the passage. After you have chosen the best answer, blacken the corresponding space on your answer sheet.

1. Most regular coffee is made from arabica coffee beans because the great majority of consumers prefer its generally richer flavor to that of coffee made from robusta beans. Coffee drinkers who switch to decaffeinated coffee, however, overwhelmingly prefer coffee made from robusta beans, which are unlike arabica beans in that their flavors is not as greatly affected by decaffeination. Depending on the type of bean involved, decaffeination reduces or removes various substances, most of which are flavor-neutral but one of which contributes to the richness of the coffee’s flavor.

The statements above provide the most support for which one of the following conclusion?

(A) The annual world crop of arabica beans is not large enough to satisfy completely the world demand for regular coffee.

(B) Arabica beans contain more caffeine per unit of weight than do robusta beans.

(C) Coffee drinkers who drink decaffeinated coffee almost exclusively are the ones who prefer regular coffee made from robusta beans to regular coffee made from arabica beans.

(D) Decaffeination of arabica beans extracts more of the substance that enhances a coffee’s flavor than does decaffeination of robusta beans.

(E) There are coffee drinkers who switch from drinking regular coffee made from arabica beans to drinking decaffeinated coffee made from arabica beans is less costly.

2. For the past 13 years, high school guidance counselors nationwide have implemented an aggressive program to convince high school students to select careers requiring college degrees. The government reported that the percentage of last year’s high school graduates who went on to college was 15 percent greater than the percentage of those who graduated 10 years ago and did so. The counselors concluded from this report that the program had been successful.

The guidance counselors’ reasoning depends on which one of the following assumptions about high school graduates?

(A) The number of graduates who went on to college remained constant each year during the 10-year period.

(B) Any college courses that the graduates take will improve their career prospects.

(C) Some of the graduates who went on to college never received guidance from a high school counselor.

(D) There has been a decrease in the number of graduates who go on to college without career plans.

(E) Many of last year’s graduates who went on to college did so in order to prepare for careers requiring college degrees.

3. Insectivorous plants, which unlike other plants have the ability to trap and digest insects, can thrive in soils that are too poor in minerals to support noninsectivorous plants. Yet the mineral requirements of insectivorous plants are not noticeably different from the mineral requirements of noninsectivorous plants.

The statements above, if true, most strongly support which one of the following hypotheses?

(A) The insects that insectivorous plants trap and digest are especially abundant where the soil is poor in minerals.

(B) Insectivorous plants thrive only in soils that are too poor in minerals to support noninsectivorous plants.
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