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【多选题】
总结党建立、巩固和发展统一战线的实践经验,主要有这样几个方面A.
要建立巩固的工农联盟
B.
要正确对待资产阶级，尤其是民族资产阶级
C.
要坚持发展进步势力、争取中间势力、孤立顽固势力的策略方针；要坚持独立自主的原则
D.
要坚持“一切经过统一战线，一切服从统一战线”的策略方针
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反馈参考答案：
举一反三
【单选题】Operational amplifiers, used primarily in analog circuits, are characterized by .
A.
high input impedance, high gain and low output impedance
B.
high input impedance, high gain and high output impedance
C.
low input impedance, low gain and high output impedance
D.
low input impedance, high gain and low output impedance
【判断题】Licensing is primarily used by service organizations and franchising is primarily used by manufacturing organizations.
A.
正确
B.
错误
【单选题】If an air compressor is used to supply air primarily to the combustion control system and other pneumatic controllers, the entire system is known as the _____.
A.
control air system
B.
forced draft air system
C.
supply air system
D.
ships service air system
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