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1、The reading passage claims that fuel-cell engine using hydrogen will soon replace the traditional internal - combustion engine relying on petroleum which will run out in the future. The lecturer however, offers a completely divergent view that hydrogen can by no means take the place of burning fuels
2、 as petroleum and coals.The first concern of the reading passage is that hydrogen can be easily reproduced. The lecturer, however, refutes it by stating that it is not an easy process to produce hydrogen despite the fact that it is ubiquitous in the nature. According to the lecturer, the hydrogen is
3、 only usable in its pure liquid form. It is an artificial energy that is difficult to produce and can only be stored in very cold conditions.The second point brought up in the passage is that it will cause less pollution for fuel-cell energy as hydrogen. The lecturer, nevertheless, offers an alterna
4、tive account the process of producing pure hydrogen will cost more to the environment. Specifically, a procedure of purification for making hydrogen requires the burning of coals and oil. It means simply to shift the pollution by burning fossil fuels in running a car to producing its fuel.In contras
5、t to the last point in the reading passage that it will take less money to operate fuel-cell engine due to its higher efficiency, the professor asserts that the procedure of making hydrogen is even more costly. As is clearly indicated in the listening, a kind of expensivemetal is required to manage the electricity consumed to produce hydrogen, so it will be unsuccessful to save to cost by using the alternative source of energy.Overall, the reading and listening virtually has the different view toward whether it is possible for fuel-cell engine to replace traditional one in the future.第2页，共2页