13.Scientists believe the first inhabitants of the Americas arrived by crossing the land bridge that connected Siberia and _____ more than 10,000years ago.

(A)this is Alaska now

(B)Alaska is now

(C)is now Alaska

(D)what is now Alaska.

14.Fibers¹ of hair and wool are not continuous and must normally be spun² into thread _____ woven into textile fabrics³.

(A)as are they

(B)when to be

(C)that they are

(D)if they are to be

15.Margaret Brent,because of her skill in managing estates,became _____ largest landholders in colonial Maryland.

(A)what the

(B)one of the

(C)who the

(D)the one that

16.Eleanor Roosevelt set

the standard against which the wives

of all

United States

A B C

Presidents since have evaluated

.

D

17.The Armory⁴ Show,held

in New York in 1913,was a

important exhibition

of

A B C

modern

European art.

D

18.Ripe fruit is often stored in a place who contains much carbon dioxide so that the

A B C

fruit will not decay too rapidly.

D

19.In 1852,Massachusetts passed a law requiring all children from four to eighteen

A B C

years of old to attend school.

D

20.The main purpose of classifying animals is to show the most probable

A B

evolutionary⁵ relationship of the different species to each another.

C D

21.Matthew C.Perry,a United States naval⁶ commander,gained fame not in war and

A B C

through diplomacy⁷.

D

22.One of the most impressive collections of nineteenth-century European paintings

A B

in the United States can be found to the Philadelphia Museum of Art.

C D

23.Three of every four migrating water birds in North America visits the Gulf⁸ of

A B C

Mexico's winter wetlands.

D

24.Charleston,West Virginia,was named for Charles Clendenin,who son George

A B

acquired land at the junction⁹ of the Elk¹⁰ and Kanawha rivers in 1787.

C D

25.Financier Andrew Mellon donated most of his magnificent art collection to the

A B C

National Gallery of Art,where it is now locating.

D

26.Soil temperatures in Death Valley,California,near the Nevada border,have been

A B C

known to reach 90of degrees Celsius¹¹.

D

27.When the Sun,Moon,and Earth are alignment¹² and the Moon crosses the Earth's

A B C

orbital plane,a solar eclipse occurs.

D

28.Mary Cassatt's paintings of mothers and children are known for its fine linear

A B

rhythm,simple modelings,and harmonies of clear color.

C D

29.Plants synthesize carbohydrates¹³ from water and carbon dioxide with the aid of

A B

energy is derived¹⁴ from sunlight.

C D

30.The best American popular music balances a powerful emotions of youth with

A B C

tenderness,grace,and wit.

D

31.In the nineteenth century,women used quilts to inscribe¹⁵ their responses to social,

A B C

economic,and politics issues.

D

32.Fossils in 500-million-year-old rocks demonstrate that life forms in the Cambrian

A B

period were mostly marine¹⁶ animals capability¹⁷ of secreting¹⁸ calcium¹⁹ to form shells.

C D

33.Rainbows in the shape of complete circles are sometimes seen from airplanes

A B

because they are not cutting off by the horizon.

C D

34.Hot at the equator causes the air to expand,rise,and flow toward the poles.

A B C D

35.Although research has been ongoing²⁰ since 1930,the existence of ESP-perception

A B

and communication without the use of sight,hear,taste,touch,or smell -is still disputed.C D

36.As many as 50percent of the income from motion pictures produced in the United

A B

States comes from marketing²¹ the films abroad.

C D

37.Sleep is controlled by the brain and associated by characteristic breathing rhythms.A B C D

33.The walls around the city of Quebec,which was originally a fort military,still

A B

stand,making Quebec the only walled city in North America.

C D

34.The manufacture of automobile²² was extremely expensive until assembly-line

A B C

techniques made them cheaper to produce.

D

35.The ballad²³ is characterized by informal diction,by a narrative²⁴ largely dependent

A B

on action and dialogue,by thematic intense,and by stress on repetition.

C D

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