国家鼓励、支持和保护一切组织和个人对不正当竞争行为进行社会监督。
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俄国生理学家巴甫洛夫用动物做大量实验,在()活动三个方面作出了重大贡献。
A. 心脏、生理、消化
B. 消化、生理和神经
C. 心脏生理、消化生理和高级神经
某航班因天气原因返航,航空公司工作人员为了赶时间,飞机未挡轮挡就要求加油员加油,加油员看到该人手势后就驾车驶入了加油位置。
A. 正确
B. 错误
When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will ().
A. pick up more of any increase in load
B. pick up less of any increase in load
C. share an equal amount of any increase in load
D. drop an equal amount of any decrease in load