14.Written to be performed on a _____,Thornton Wilder's play Our Town depicts¹ life in a small New England community.

(A)stage scenery of bare(B)bare of stage scenery

(C)scenery bare of stage

(D)stage bare of scenery.

15._____ many copper² mines in the state of Arizona,a fact which contributes significantly to the state's economy.

(A)They are

(B)There are

(C)Of the

(D)The

16.A food additive³ is any chemical that food manufactures intentional⁴ add to their

A B C

products.

D

17.Margaret Mead⁵ studied many different cultures,and she was one of the first

A B C

anthropologists to photograph hers subjects.

D

18.Talc,a soft mineral with a variety of uses,sold is in slabs⁶ or in powdered from.

A B C D

19.During the 1870's iron workers in Alabama proved they could produce iron by

A B

burning iron ore with coke,instead than with charcoal⁷.

C D

20.Geologists⁸ at the Hawaiian Volcano Observatory⁹ rely on a number of instruments

A B C

to studying the volcanoes in Hawaii.

D

21.Underlying¹⁰ aerodynamics and all other branches of theoretical mechanics are the

A B C

laws of motion who were developed in the seventeenth century.

D

22.Was opened in 1918,the Phillips Collection in Washington,D.C.,was the first

A B

museum in the United States devoted¹¹ to modern art.

C D

23.A mortgage enables a person to buy property without paying for it outright;thus

A B C

more people are able to enjoy to own a house.

D

24.Alike ethnographers,ethnohistorians make systematic¹² observations,but they also

A B C

gather data from documentary and oral sources.

D

25.Basal body temperature refers to the most lowest temperature of a healthy

A B C

individual during waking hours.

D

26.Research in the United States on acupuncture¹³ has focused on it use in pain reliefA B C D

and anesthesia.

27.The Moon's gravitational field cannot keep atmospheric¹⁴ gases from escape into

A B C

space.

D

28.Although the pecan tree is chiefly value for its fruit,its wood is used extensivelyA B C

for flooring,furniture,boxed,and crates¹⁵.

D

29.Born in Texas in 1890,Katherine Anne Porter produced three collection of shortA B

stories before publishing her well-known novel Ship of Fools in 1962.

C D

30.Insulation¹⁶ from cold,protect against dust and sand,and camouflage¹⁷ are among the

A B C

functions of hair for animals.

D

31.The notion that students are not sufficiently¹⁸ involved in their education is one A B

reason for the recently surge of support for undergraduate research.

C D

32.As secretary of transportation from 1975to 1977,William Coleman worked to help A B

the bankrupt railroads in the northeastern United States solved their financial problems.

C D

33.Faults in the Earth's crust are most evidently in sedimentary formations,whereA B C

they interrupt previously¹⁹ continuous layers.

D

34.Many flowering plants benefit of pollination²⁰ by adult butterflies and moths²¹.

A B C D

35.A number of the American Indian languages spoken at the time of the European

A B C

arrival in the New World in the late fifteen century have become extinct.

D

36.George Gershwin was an American composer whose concert works joined the

A B

sounds of jazz with them of traditional orchestration.

C D

37.One of the problems of United States agriculture that has persisted during the

A B

1920's until the present day is the tendency of farm income to lag behind the costs of

C

production.

D

38.Volcanism occurs on Earth in several geological setting,most of which are

A B

associated with the boundaries of the enormous,rigid plates that make up the

C D

lithosphere²².

39.Early European settlers in North America used medicines they made from plants nativeA B C

to treat colds,pneumonia,and ague,an illness similar to malaria²³.

D

40.Some insects bear a remarkable²⁴ resemblance to dead twigs,being long,

A B

slenderness,wingless,and brownish in color.

C D

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