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【多选题】
下列哪些因素可能会引起食物中毒A.
旋毛虫
B.
河豚鱼毒素
C.
葡萄球菌肠毒素
D.
霍乱孤菌
E.
副溶血性孤菌
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反馈参考答案：
举一反三
【简答题】A．By the government only. B．Through the market only. C．By the government and through the market. D．By government officials and economists.
【单选题】Usually we take the cooling effect of the air flown through the cylinder during the overlap period as .
A.
inevitable
B.
harmful
C.
helpful
D.
unacceptable
【判断题】In jacketed piping, the fluid is conveyed through the inner pipe and a heatingmedium is conveyed through the jacket (the outer pipe). Gutted piping is thereverse; the fluid is conveyed through the out...
A.
正确
B.
错误
【简答题】下列各项中，不会引起留存收益总额发生增减变动的有（ ）。
【简答题】The oil leaving the oil pump passes through the oil filter before it is circulated through the engine. The filter removes particles of carbon or other foreign material from the oil.According to the pa...
【简答题】Father Christmas comes into the house through the
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