A deficiency of soil nutrients can cause the crop to be of low quality.

admin2019-10-04  12

问题 A deficiency of soil nutrients can cause the crop to be of low quality.

选项 A、lack
B、supply
C、number
D、source

答案A

解析 lack“缺乏,缺少”;supply“供给,提供”;number“数量”;source“来源”。deficiency“缺乏”,选项中只有lack意思接近,故选A。
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