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【单选题】
Infrared scanning technology may be brought back into operation because of_____.A.
the desire of farmers to improve the quality of their produce
B.
growing concern about the excessive use of pesticides on crops
C.
the forceful promotion by the Department of Agriculture
D.
full support from agricultural experts
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切开术后引流条需每天更换2一3次
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Keeping
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To keep
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Being kept
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A.
fall off
B.
fall out
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fall into
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fall back
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