Livestock breeders are ______ much thought and ingenuity to the improvement of this strain.

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问题 Livestock breeders are ______ much thought and ingenuity to the improvement of this strain.

选项 A、devoting
B、utilizing
C、referring
D、granting

答案B

解析 devote(to)vt.将……奉献给……;把……专用于,致力于(如:He has devoted his whole life to benefiting the whole mankind.Every spare moment was devoted to study.)。utilize/-ise vt.利用。refer(sb.to)vt.让……去参考,叫……去查询。grant vt.授予,同意,准予。
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