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华南理工大学攻读博士学位研究生入学考试英语样题
Part I. Use of English (l0 points)
Directions: Read the following text. Choose the best word for each numbered blank and marked A, B C or D on the ANSWER SHEET.
Unlike many ants, trees grow slowly. Thirty to eighty years are necessary before a tree grows to the right size for harvesting as lumber or pulpwood. But a tree crop can be a good investment for a landowner or farmer, since trees will grow on the parts of his land where ordinary crops will not grow.
Trees 1 much more than provide lumber for home building. They provide raw materials for making paper, plastics, synthetics, turpentine, and other products. Even more important, trees protect the nation’s water supply by holding 2 erosion and keeping water in the soil.
America once had huge natural forests. To start their 3 , pioneers cleared many trees. Later, logging crews 4 by lumber companies moved into other forests. They cut all the valuable trees, and then moved on..
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