In some countries, there is very【16】rain at any time. The farmers there【17】irrigate (灌溉) their fields. Irrigation is【18】if there

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问题     In some countries, there is very【16】rain at any time. The farmers there【17】irrigate (灌溉) their fields. Irrigation is【18】if there is a big river【19】the crops, and【20】there is plenty of water in it. Canals (沟渠)【21】the river water to the fields when necessary. In some seasons【22】may be too much water in the river, and the【23】may flood all the land near the river.【24】other times the river water may not be enough for all the farmers, and then it will be【25】to irrigate the fields.  

选项 A、little
B、a little
C、few

答案A

解析 由下句可推断:在一些国家,雨水很少。little含有否定的意义,表示“没有多少”。
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