The environmental crisis is the result of success—success in cutting down the mortality (死亡率)of infants (which has given us the population explosion), success in raising farm output sufficiently to prevent mass famine (which has given us contaminati9n by pesticides and chemical fertilizers), success in getting people out of the houses of the 19th-century city and into the teenager and privacy of the single-family home in the suburbs(which has given us urban sprawl and traffic jams). The environmental crisis, in other words, is largely the result of doing too much of the right sort of thing.
To overcome the problems that success always creates, one must build on it. But where to start? cleaning up the environment requires determined, sustained effort with clear targets and deadlines. It requires, above all, concentration of effort UP to now we have tried to do a little bit of everything—when what eve ought to do first is draw up a list of priorities.
This passage assumed the desirability of______.
A.1iving in comfortable family lifestyles
B.setting disputes peacefully
C.combining cancer and heart diseases with energetic research
D.having greater government involvement in people's daily life
第1题
已知仪表的读数是495℃,修正值为+5℃,那么测量温度的绝对误差是5℃,被测介质的实际温度为500℃。()
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