[单选题]Directions: In this part there is a sentence with one word or phrase underlined. Choose the one from the four choices marked A, B, C and D that best keeps the meaning of the sentence.A deficiency of soil nutrients can cause the crop to be of low quality.（）

number

source

supply

lack

正确答案：D

题目解析

本题考查名词辨析。number“数字，号码”，source“来源，原始资料”，supply“供给，补给”， lack“缺乏，不足”。这里需要选择和deficiency（缺点；缺乏）相近的词，故选D。

句意：土壤养分的缺乏会导致作物品质低下。

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[单选题]Directions: In this part there is a sentence with one word or phrase underlined. Choose the one from the four choices marked A, B, C and D that best keeps the meaning of the sentence.A deficiency of soil nutrients can cause the crop to be of low quality.（ ）