问题
单项选择题
集约型增长方式的实质是
A．依靠技术进步为中心
B．增加资金、设备和原材料的利用率
C．以提高国民经济整体素质和经济效益为中心
D．以生产要素的优化组合为中心
答案
参考答案：C
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集约型增长方式的实质是
A．依靠技术进步为中心
B．增加资金、设备和原材料的利用率
C．以提高国民经济整体素质和经济效益为中心
D．以生产要素的优化组合为中心
参考答案：C
| It may be necessary, in order that .future (51) can enjoy clean air, that more of the (52) is borne by long-term central government fund．As air pollution varies enormously from place to place and can, indeed, be very local, it may also be necessary for the central government to (53) money so that local authorities can (54) special local problems. That these can be significant was shown by the report made in 1970 (55) behalf of the London Boroughs Association. This (56) that in central London since 1958 smoke concentrations have decreased by 80 percent, whereas sunshine has increased by 70 percent and winter visibility has (57) threefold, There have been (58) in mortality and hospital admissions (59) with air pollution and in the response to it of bronchitis, as well as clear if less documented increases in plant types and bird (60) n the cities. |
A．associated
B．concerned
C．tied up
D．involved