【文章內(nèi)容簡介】 D) it16. Twenty to thirty year after a mature forest is cleared away, a nearly imperable thicket of trees and A B C shrubs develops. D17. The first national park in world, Yellowstone National Park, was established in 1872. A B C D18. Because it does not have a blood supply ，the cornea takes their oxygen directly from the air. A B C D19. Magnificent mountains and coastal scenery is British Columbia’s chief tourist attractions. A B C D20. Scientists at universities are often more involved in theoretical research than in practically research. A B C D21. John Rosamond Johnson he posed numerous songs, including Life Every Voice and Sing, for which A B C D his brother, James Weldon Johnson, wrote the words. 22. Nylon, a synthetic done from a bination of water, air, and a byproduct of coal, was first introduced in A B C D 1983. 23. Ornithology, the study of birds, is one of the major scientific fields in which amateurs play a role in A B C accumulating, researching, and publish data. D24. Animation is a technique for creativity the illusion of life in inanimate things. A B C D25. The nonviolent protest advocated by Dr. Martin Luther King, Jr. proving highly effective in an age of A B expanding television news coverage. C D26. On December 7, 1787, Delaware became a first state to ratify the Constitution. A B C D27. Nutritionists believe what diet affects how one feels physically and emotionally. A B C D28. Mealii Kalama, creator of over 400 Hawaiian quilts was granted a National Heritage Fellowship in 1985 A B for herself contributions to folk art. C D29. A jetty serves to define and deepen a channel, improve navigate, or protect a harbor. A B C D30. Minoru Yamasaki is an American architect which works departed from the austerity frequently associated A B C with architecture in the United States after the Second World War. D31. Chemical research provides information that is useful when the textile industry in the creation of synthetic A B C D fabrics.32. Jane Addams, social worker, author, and spokeswoman for the peace and women’s suffrage movements, A B 6 she received the Nobel Peace Prize in 1931 for her humanitarian achievements. C D33. Bromyrite crystals have a diamondlike luster and are usually colorless, but they dark to brown when A B C exposed to light. D34. Stars in our universe vary in temperature, color, bright, size and mass. A B C D35. Ice is less denser than the liquid from which it is formed. A B C D 36. The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize A B and her discoveries regardless the nature of DNA. C D37. In 1866 to 1883, the bison population in North American was reduced from an estimated 13 million to a A B C few hundred. D38. Most of the damage property attributed to the San Francisco earthquake of 1906 resulted from the fire that A B C followed. D39. James Baldwin’s plays and short stories, which are to some degree autobiographical, established them as a A B C leading figure in the United States civil rights movement. D40. Thunder can be listened from a maximum distance of about ten miles except under unusual atmospheric A B C D conditions. 7Section Three: Reading ComprehensionQuestions 112 As many as one thousand years ago in Southwest, the Hopi and Zuni Indians of North America were building with adobe—sunbaked brick plastered with mud. Their homes looked remarkably like modern apartment houses. Some were four stories high and contained quarters for perhaps a thousand people, along with storerooms for grain and other goods. These (5) buildings were usually put up against cliffs, both to make construction easier and for defense against enemies. They were really villages in themselves, as later Spanish explorers must haverealized since they called them “pueblos,” which is Spanish for town. The people of the pueblos raised what are called “the three sisters”—corn, beans, and squash. They made excellent pottery and wove marvelous baskets, some so fine that they could (10) hold water. The Southwest has always been a dry country, where water is scarce. The Hopi and Zuni brought water from streams to their fields and gardens through irrigation ditches. Water was so important that it played a major role in their religion. They developed elaborateceremonies and religious rituals to bring rain. The way of life of lesssettled groups was simpler and more strongly influenced by nature.(15) Small tribes such as the Shoshone and Ute wandered the dry and mountainous lands between the Rocky Mountains and the Pacific Ocean. They gathered seeds and hunted small animals such as rabbits and snakes. In the Far North the ancestors of today’s Inuit hunted seals, walruses, and the great whales. They lived right on the frozen seas in shelters called igloos built of blocks of packed snow. When summer came, they fished for salmon and hunted the lord