试题题干
Correct or improve the translation of the following Chinese sentences.
原文：提高现有耕地单位面积产量有潜力。
译文：There are potential for increasing the per unit area yield on the existing cultivated land.
改译：
参考答案
试题解析
there be句型，be动词的单数复数情况取决于后面所跟的名词的单复数。potential是单数，be动词用is。the yield per unit意为单位面积产量。