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  3. The introduction of new varieties of rice and wheat in Asia and Latin America has been known as the "Green Revolution". So far t

The introduction of new varieties of rice and wheat in Asia and Latin America has been known as the "Green Revolution". So far t

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问题 The introduction of new varieties of rice and wheat in Asia and Latin America has been known as the "Green Revolution". So far the new seeds and the【C1】________technology have not resulted in increased agricultural production【C2】________or reduced malnutrition.
　　The direct, quantitative effects of introducing high-yielding【C3】________of food grains have been modest. The indirect and quantitative effects, however, have sometimes been significant.
　　The new technology has led to changes in crop pattern and in methods of production. It has accelerated the development of【C4】________market-orientated, capitalist agriculture. It has encouraged the growth of wage labor, and【C5】________helped to create or augment a class of agricultural laborers. It has increased the power of landowners, and this【C6】________has been associated with a greater polarization of classes and intensified conflict.
　　Changes in status and class alignments have been accompanied【C7】________changes in the distribution of income. Profits and rents have increased absolutely and relatively. The share of wages has declined and in some instances real wages rates or the number of days worked, or both, have declined. In short, an old system of agriculture, slowly or swiftly, is in the【C8】________of being destroyed by the advance of contemporary technology.
　　The policies that have accompanied the "Green Revolution" in many underdeveloped countries have aggravated the problems these countries 【C9】________. Supplies of some commodities have increased, but the rate of growth of total agricultural production has shown little【C10】________to rise. At the same time, inequality has become worse, and poverty has increased absolutely.
【C2】
选项 A、per cent
B、percentage
C、per head
D、per man
答案B
解析 per cent和percentage都意为“百分比，百分率”。不同的是：per cent常和数词连用，表示具体的比例；percentage是抽象的，前面可有形容词修饰，表达比例。因此选B。
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