考研英语难句.ppt

It doesn’t help that building a big, powerful dam has become a symbol of achievement for nations and people striving to assert themselves. 不起作用 tHe Aswan Dam, for example, stopped the Nile flooding but deprived Egypt of the fertile silt that floods left—all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity. 作者举例的目的？ And the bank has done this even though its advisors say the dam will cause hardship for the powerless and environmental destruction. The benefits are for the powerful, but they are far from guaranteed. Proper, scientific study of the impacts of dams and of the cost and benefits of controlling water can help to resolve these conflicts But when you are dealing with myths, it is hard to be either proper, or scientific. It is time that the world leaned the lessons of Aswan. 98-2 Well, no gain without pain, they say. But what about pain without gain? Everywhere you go in America you hear tales of corporate revival. What is harder to establish is whether the productivity revolution that businessmen assume they are pre-siding over over is for real. The trouble is that part of the recent acceleration is due to the usual rebound that occurs at this point in a business cycle, and so is not conclusive evidence of a revival in the underlying trend. There is, as Robert Rubin, the treasury secretary, says, a “disjunction” between the mass of business anecdote that points to a leap in productivity and the picture reflected by the statistics. New ways of organizing the workplace—all that reengineering and downsizing—are only one contribution to the overall productivity of an economy, which is driven by many other factors such as joint investment in equipment and machinery, new technology, and investment in education and training. His colleague, Michael Beer, says that far too many companies have applied re-engineering in a mechanistic fashion, chopping out costs without giving sufficient thought to long-term