Farmingandnatureareliketwoflowersonthesametree.Whenfarm...

问题详情：

Farming and nature are like two flowers on the same tree. When farming 61. ________ (go) against nature, all kinds of environmental problems are the result. In ancient times, when people began using the land, farming was not 62. ________ 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 63. ________ (long) grow crops on the land, they moved on and repeated this somewhere else. Agriculture in this way destroys nature and results 64. ________ floods and droughts (干旱).

       Over the past thirty to thirty-five years, farmers 65. ________ (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 66. ________ and grow better crops, but this may damage or destroy land 67. ________ (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 68. ________  low price nobody wanted because they were too wet. They built dikes (堤坝) around the fields turning the fields 69. ________ fish ponds and they became fish farmers. They also planted fruit trees on the dikes and kept chickens and ducks. They were very 70. ________ (success) farmers.

【回答】

61. goes                   

62. what                       

63. longer

64. in                       

65. have recognized   

66. it                      

67. surrounding                

68. a 

69. into                    

70. successful

知识点：语法填空

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