[填空题]
There is much discussion about whether economic growth is
desirable. At an earlier period, our desire for material wealth may have been
{{U}} (47) {{/U}} Now, however, this desire for more than we need is
causing serious problems. Even though we have good {{U}} (48) {{/U}}, we
may be producing too much, too fast.
Those who {{U}} (49)
{{/U}} economic growth argue that we must slow down. They believe that
society is approaching certain limits on growth. These include the {{U}} (50)
{{/U}} supply of natural resources, the possible {{U}} (51) {{/U}}
effects of industry on the natural environment, and the continuing increase in
the world’s population. As society reaches these limits, economic growth can no
longer continue, and the quality of life will {{U}} (52)
{{/U}}.
People who want more economic growth, on the other
hand, argue that even at the present growth rate there are still many poor
people in the world. These {{U}} (53) {