[单项选择] Passage One

In many countries today, laws protect wildlife. In India the need for such protection was realized centuries ago.
About 300 B. C. an Indian writer described forests that were somewhat like national parks today. The killing of game animals was carefully governed. Some animals were fully protected. Within the forest, nobody was allowed to cut trees, burn wood, or trap animals for their furs. Animals that became dangerous to human visitors were trapped or killed outside the park, so that other animals would not become uneasy.
The need for wildlife protection is greater now than ever before. About a thousand sorts of animals are in danger of extinction, and the speed at which they are being destroyed has been putting on. With mammals, for example, the speed of extinction is now about one sort every year; from A. D. 1 to 1800, the speed was about one sort ever), fifty years. Everywhere, men are trying to solve the problem of sav
A. was understood centuries before this time
B. was described by an Indian writer about 2300 years ago
C. is met in many countries today
D. is carried out in forests as well as in national parks

[单项选择] Passage One

In many countries today, laws protect wildlife. In India the need for such protection was realized centuries ago.
About 300 B. C. an Indian writer described forests that were somewhat like national parks today. The killing of game animals was carefully governed. Some animals were fully protected. Within the forest, nobody was allowed to cut trees, burn wood, or trap animals for their furs. Animals that became dangerous to human visitors were trapped or killed outside the park, so that other animals would not become uneasy.
The need for wildlife protection is greater now than ever before. About a thousand sorts of animals are in danger of extinction, and the speed at which they are being destroyed has been putting on. With mammals, for example, the speed of extinction is now about one sort every year; from A. D. 1 to 1800, the speed was about one sort ever), fifty years. Everywhere, men are trying to solve the problem of sav
A. hunters were given permits to hunt game animals
B. only dangerous animals were to be killed
C. the killing of game animals was controlled
D. no killing of animals was allowed

[单项选择]

In recent years many countries of the world have been faced with the problem of how to make their workers more productive. Some experts claim the answer is to make jobs more varied. But do more varied jobs lead to greater productivity The evidence shows that while variety certainly makes the worker’s life more enjoyable, it does not actually make him work harder. As far as increasing productivity is concerned, then, variety is not an important factor.
Other experts feel that giving the worker freedom to do his job in his own way is important. There is no doubt that this is true. The problem is that this kind of freedom cannot easily be given in the modem factory with its complicated machinery which must be used in a fixed way. Thus, although freedom of choice may be important, usually very little can be done to create it.
Another important consideration is how much a worker contributes to the p
A. a factory possesses more experts
B. a factory has many small production lines
C. workers enjoy more freedom
D. workers work at a large production line

[单项选择]
In recent years many countries of the world have been faced with the problem of how to make their workers more productive. Some experts claim the answer is to make jobs more varied. But do more varied jobs lead to greater productivity The evidence shows that while variety certainly makes the worker’s life more enjoyable, it does not actually make him work harder. As far as increasing productivity is concerned, then, variety is not an important factor.
Other experts feel that giving the worker freedom to do his job in his own way is important. There is no doubt that this is true. The problem is that this kind of freedom cannot easily be given in the modem factory with its complicated machinery which must be used in a fixed way. Thus, although freedom of choice may be important, usually very little can be done to create it.
Another important consideration is how much a worker contributes to the product he is making. In m
A. offer greater productivity
B. drive workers to work harder
C. make workers more productive
D. make worker’s life more enjoyable, but do not make them more hardworking

[单项选择]How many laws are there discussed in the speech

[单项选择]Not having been discovered, many laws of nature actually exist in nature.
A. 虽然许多自然界的规律尚未发现，但它们确实存在于自然界中。
B. 存在于大自然中的很多规律还没有被科学界发明出来。
C. 许多自然界的规律实际上存在于自然界中，尽管不能被发现。
D. 尽管很多自然界的规律没有被找出，但是这些规律实际上存在于自然界中。