题目内容
Human life is everywhere a ____ in which much is to be endured and little to be enjoyed..
A. case B.condition C. position D. state
D
解析:
略
Besides giving off gases and dusts into the air, humans produce waste that is poured on the environment. Often, this waste produced by major industries and people is harmful to both nature and human life.
One of the main causes of the large amount of dangerous waste is that people do not realize how large a problem it is. Because it can be simply removed and sent to a landfill(废渣填埋场),the problem is often believed to end there. In addition, industries have often shown an unwillingness to find ways to deal with dangerous waste because of the related expenses. Many industries and governments build simple landfills to store waste, and often just pour waste chemicals into nearby bodies of water. Often, chemicals used for industrial production cause dangerous forms of waste. The amount of these chemicals has increased greatly in the past, but it is often difficult and expensive to get rid of these chemicals or to store them in a way safe to human life and the environment.
Every year, major health problems result from dangerous waste. Sadly, it is often only after someone has died or become seriously ill that governments will take measures to reduce levels of harmful waste.
Some governments have realized how serious the dangerous waste problem is and are now trying to settle this problem. They are also trying to limit the amount of waste industries are allowed to produce.
Not only governments but ordinary people as well must work together to solve the problem. They can choose not to buy those products which require the production of dangerous waste, and produce less harmful waste themselves. Many scientists think that waste production can be cut. The waste can be reduced by at least one third using existing technologies and methods.
【小题1】 What would be the best title for the text?
| A．Measures of Reducing Dangerous Waste |
| B．Danger of Harmful Waste to Mankind |
| C．Dangerous Waste and Water pollution |
| D．Environmental Protection |
| A．do not produce harmful waste in their daily life |
| B．do not know where to place the dangerous waste |
| C．are not clear about how serious the dangerouswaste problem is |
| D．are not sure about where harmful waste ends |
| A．How to get government support. |
| B．How to increase their production. |
| C．How to store harmful waste. |
| D．How to cut down the related costs. |
| A．The polluting industries are not allowed to sell their products. |
| B．Present technologies have settled the harmful waste problem. |
| C．Everyone should obey the government rules for the problem. |
| D．To solve the problem requires the efforts of the whole society. |
What will people die of 100 years from now? If you think that is a simple question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技术). With the help of new medicine, the human body will last a very long time. Death will come mainly from accidents, murder and war. Today's leading killers, such as heart diseases, cancer, and aging itself, will become distant memory.
In discussion of technological changes, the Internet gets most of the attention these days. But the change in medicine can be the real technological event of our times. How long can humans live? Human brains were known to decide the final death. Cells(细胞) are the basic units of all living things, and until recently, scientists were sure that the life of cells could not go much beyond 120 years because the basic materials of cells, such as those of brain cells, would not last forever. But the upper limits will be broken by new medicine. Sometime between 2050 and 2100, medicine will have advanced to the point at which every 10 years or so, people will be able to take medicine to repair their organs(器官). The medicine, made up of the basic building materials of life, will build new brain cells, heart cells, and so on---in much the same way our bodies make new skin cells to take the place of old ones.
It is exciting to imagine that the advance in technology may be changing the most basic conditional human existence, but many technical problems still must be cleared up on the way to this wonderful future.
1.According to the passage, human death is now mainly caused by _______.
|
A．diseases and aging |
B．accidents and war |
|
C．accidents and aging |
D．heart diseases and war |
2.In the author's opinion, today's most important advance in technology lies in _____.
|
A．medicine |
B．the internet |
C．brain cells |
D．human organs |
3. Humans may live longer in the future because ______.
|
A．heart disease will be far away from us |
|
B．human brains can decide the final death |
|
C．the basic materials of cells will last forever |
|
D．human organs can be repaired by new medicine |
4. We can learn from the passage that _____.
|
A．human life will not last more than 120 years in the future |
|
B．human have to take medicine to build new skin cells now |
|
C．much needs to be done before humans can have a longer life |
|
D．we have already solved the technical problems in building new cells. |