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【单选题】
The application of infrared scanning technology to agriculture met with some difficulties:______.
A.
the lack of official support
B.
its high cost
C.
the lack of financial support
D.
its failure to help increase production
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
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A.
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A.
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B.
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C.
饮料公司承担，保健品公司承担补充责任
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A.
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B.
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C.
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