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蔬菜、水果中有害化学物质的污染包括（)。A．农药B．工业废水.....
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常用于评价油脂酸败的卫生学指标有（)。A．酸价B．农药C．过.....
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The flight eventually got away six hours later.A.nicelyB.apparentlyC.finallyD.firstly..
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食用油脂酸败的主要原因是（)。A．自动氧化B．微生物酶分解C.....
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ff no one objects， Mr. Ben will be the next ch.....
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Jim has made up his mind not to go to the meeting.A.agreedB.decidedC.promisedD.wanted..
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