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Presidents since have evaluated . D 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 evolutionary2 relationship of the different species to each another. C D 21.Matthew C.Perry,a United States naval3 commander,gained fame not in war and A B C 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 Gulf5 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 junction6 of the Elk7 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 Celsius8. D 27.When the Sun,Moon,and Earth are alignment9 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 carbohydrates10 from water and carbon dioxide with the aid of A B energy is derived11 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 inscribe12 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 marine13 animals capability14 of secreting15 calcium16 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 ongoing17 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 marketing18 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 automobile19 was extremely expensive until assembly-line A B C techniques made them cheaper to produce. D 35.The ballad20 is characterized by informal diction,by a narrative21 largely dependent A B on action and dialogue,by thematic intense,and by stress on repetition. C D 点击  收听单词发音
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