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  3. The introduction of new varieties of rice and wheat in Asia and Latin Americ

The introduction of new varieties of rice and wheat in Asia and Latin Americ

游客2023-11-06  41
问题     The introduction of new varieties of rice and wheat in Asia and Latin America has been(1)_____ as the "Green Revolution." So far the new seeds and the(2)_____ technology have not resulted (3)_____ increased agricultural production(4)_____ or reduced malnutrition. The direct, quantitative effects of high-yielding(5)_____ of food grains have been modest.
    The indirect and quantitative effects, however, have sometimes(6)_____ significant. The new technology has led to(7)_____ in crop pattern and in methods of production. It has accelerated the development of(8)_____ market-orientated, capitalist agriculture. It has encouraged the growth of wage labor, and(9)_____ helped to create or augment a (10)_____ of agricultural laborers. It has increased the power of landowners, and this in(11)_____ has been associated with a greater(12)_____ of classes and intensified conflict.
    Changes in status and class alignments have been accompanied(13)_____ changes in the distribution of income. Profits and rents have increased absolutely and relatively. The share of wages has declined and in some(14)_____ real wages rates or the number of days worked, or both, have declined. In(15)_____, an old system of agriculture, slowly (16)_____ swiftly is in the(17)_____ of being destroyed by the advance of contemporary technology.
    The policies that have accompanied the "Green Revolution" in many(18)_____ countries have aggravated the problems these countries(19)______. Supplies of some commodities have increased, but the rate of growth of total agricultural production has shown little(20)_____ to rise. At the same time, inequality has become worse, poverty has increased absolutely. [br] (9)
选项 A、therein
B、thereof
C、thereby
D、thereon
答案 C
解析 空格前提到“新技术还促进了雇佣劳动形式的发展”，而空格后说“有助于推动农业劳动者……的产生和规模增长”，空格前后存在逻辑上的因果关系，故选thereby“从而”。therein“在那里”；thereof“关于它的”；thereon“在……上”。
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