Question

阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式（不多于3个单词）。

Farming and nature are like two flowers on the same tree. When farming 1._______ (go) against nature, all kinds of environmental problems are the result. In ancient times, when people began using the land, farming was not 2._______ it is today. Early farmers moved around the country. They burnt a part of a forest and used this land for one or two years. When they could no 3.________ (long) grow crops on the land, they moved on and repeated this somewhere else. Agriculture in this way destroys nature and results 4.________ floods and droughts (干旱).

Over the past thirty to thirty-five years, farmers 5. ________ (recognize) some old truths, already known to ancient Chinese farmers. Farming should not go against nature. If the soil is too poor, chemicals can help improve 6.________ and grow better crops, but this may damage or destroy land 7._______ (surround) the farms. Instead, farmers should look for other methods. In the early 16th century, brothers Tan and Xiao Zao of Jiangsu Province bought fields along lakes at 8._______ low price nobody wanted because they were too wet. They built dikes (堤坝) around the fields turning the fields9._______ fish ponds and they became fish farmers. They also planted fruit trees on the dikes and kept chickens and ducks. They were very 10._______ (success) farmers.

Answer 1