考博考试

根据网考网考试中心的统计分析，以下试题在2018/7/3日考博习题练习中，答错率较高，为：42%
【单选题】In the first sentence, "to become commercially available" means ______.
A．this procedure is available only on the market
B．this procedure can be used in producing better farm animals
C．This procedure can be used to promote business
D．People such as farmers can use this procedure in their production
网考网参考答案：D，答错率：42%
网考网试题解析：
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