阅读下面的一段文章(摘自一个考生的综合写作作文)：

　　Some method of irrigation not efficient. For example, flooding a field with water.

　　The water it collects on the field in a pond then evaporate or passing into groundwater.

　　So waste a lot of water. Sprinkler system spray water on crops, this is better than flooding however they also waste water. Because use a lot of water they waste.

　　Generally speaking, surface method of irrigation are not efficient in using water.

　　这段文章中有许多句子结构错误。有些错误使句子含义不清楚，使作者的意图不明确。你能找a这些错误吗?

　　现在阅读没有错误的同一段落。

　　Some methods of irrigation are not efficient. One example is flooding a field with water. The water collects on the field in a pond and then evaporates or passes into

　　groundwater, which wastes a lot of water. Sprinkler systems spray water on crops,

　　which is better than flooding; however, they also waste water. Generally speaking,

　　surface methods of irrigation are not efficient in using water.

　　在新托福考试中，托福写作作文可以有一些小的语言错误，如果这些错误不至使文章意思不清’仍然可以得高分。但是，假使存在很多错误使得文章意思不明确，结果将是低分。

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