《2022年考博英语-湖南大学考前模拟强化练习题47（附答案详解）》由会员分享，可在线阅读，更多相关《2022年考博英语-湖南大学考前模拟强化练习题47（附答案详解）（25页珍藏版）》请在金锄头文库上搜索。
1、2022年考博英语-湖南大学考前模拟强化练习题（附答案详解）1. 单选题This project would （ ）a huge increase in defense spending.问题1选项A.resultB.assureC.entailD.accomplish【答案】C【解析】动词辨析。句意: 这个项目必须要 在国防上的开支。Result导致; assure 保证, 使某人相信; entail使. 是必需的; accomplish完成, 实现 (目标)，多用于完成某项任务或目标。因此C项符合句意。2. 单选题Long before Man lived on the Earth, th
2、ere were fishes, reptiles, birds, insects, and some mammals. Although some of these animals were ancestors of kinds living today, others are now extinct, that is, they have no descendants alive now. （1） .Very occasionally the rocks show impression of skin, so that, apart from color, we can build up
3、a reasonably accurate picture of an animal that died millions of years ago. The kind of rock in which the remains are found tells us much about the nature of the original land, often of the plants that grew on it, and even of its climate.（2） .Nearly all of the fossils that we know were preserved in
4、rocksformed by water action, and most of these are of animals that lived in or near water. Thus it follows that there must be many kinds of mammals, birds, and insects of which we know nothing.（3） .There were also crab-like creatures, whose bodies were coveredwith a homy substance. The body segments
5、 each had two pairs of legs, one pair for walking on the sandy bottom, the other for swimming. The head was a kind of shield with a pair of compound eyes, often with thousands of lenses. They were usually an inch or two long but some were 2 feet.（4） .Of these, the ammonites are very interesting and
6、important. They have a shell composed of many chambers, each representing a temporary home of the animal. As the young grew larger it grew a new chamber and sealed off the previous one. Thousands of these can be seen in the rocks on the Dorset Coast.（5） .About 75 million years ago the Age of Reptile
7、s was over and most of the groups died out. The mammals quickly developed, and we can trace the evolution of many familiar animals such as the elephant and horse. Many of the later mammals, though now extinct, were known to primitive man and were featured by him in cave paintings and on bone carving
8、s.问题1选项A.The shellfish have a long history in the rock and many different kinds are known.B.Nevertheless, we know a great deal about many of them because their bones and shells have been preserved in the rocks as fossils. From them we can tell their size and shape, how they walked, the kind of food
9、they ate.C.The first animals with true backbones were the fishes, first known in the rocks of 375 million years ago. About 300 million years ago the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy
10、pools in which our coal seam, or layer, formed. The amphibians gave rise to the reptiles and for nearly 150 million years these were the principal forms of life on land, in the sea, and in the air.D.The best index fossils tend to be marine creatures. These animals evolved rapidly and spread over lar
11、ge areas of the world.E.The earliest animals whose remains have been found were all very simple kinds and lived in the sea. Later forms are more complex, and among these are the sea lilies, relations of the star fishes, which had long arms and were attached by a long stalk to the sea bed, or to rock
12、s.F.When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea and there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell becom
13、e embedded and preserved.G.Many factors can influence how fossils are preserved in rocks. Remains of an organism may be replaced by minerals, dissolved by an acidic solution to leave only their impression, or simply reduced to a more stable form.问题2选项A.The shellfish have a long history in the rock a
14、nd many different kinds are known.B.Nevertheless, we know a great deal about many of them because their bones and shells have been preserved in the rocks as fossils. From them we can tell their size and shape, how they walked, the kind of food they ate.C.The first animals with true backbones were th
15、e fishes, first known in the rocks of 375 million years ago. About 300 million years ago the amphibians, the animals able to live both on land and in water, appeared. They were giant, sometimes 8 feet long, and many of them lived in the swampy pools in which our coal seam, or layer, formed. The amph
16、ibians gave rise to the reptiles and for nearly 150 million years these were the principal forms of life on land, in the sea, and in the air.D.The best index fossils tend to be marine creatures. These animals evolved rapidly and spread over large areas of the world.E.The earliest animals whose remains have been found were all very simple kinds and lived in the sea
