沙门氏菌污染食品后可引起食物感官性状的变化。（)
A. 对
B. 错
由沙门氏菌、金黄色葡萄球菌引起的属于细菌性食物中毒。
A. 对
B. 错
Doosan Infracore's success in China's market can be attributed to the following marketing strategies except_________________.
A. the localization strategy
B. a wide variety of distribution channels
C. niche demand creation
D. technological innovation
Doosan Infracore specializes in low-end models in China because_______________.
A. many foreign manufactrers have been handling the high-end machine tools in China
B. low-end models need less mondy
C. these are the only models they can manufacture
D. there is an increasing demand for low-end models in China
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