皮皮学，免费搜题
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搜题
【单选题】
空中交通管理包括( )。A.
空中交通管制服务、空域管理和告警服务
B.
空中交通管制服务、飞行情报服务和空域管理
C.
空中交通服务、空域管理和空中交通流量管理
D.
空中交通服务、飞行情报服务和告警服务
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】According to the information, what should employees do if they need to have more details?
A.
Visit an authorized dealer
B.
Show their employee identifications
C.
Contact the customer service department
D.
Call a local department store
【简答题】A．They need to make more efforts. B．They'll have more work to do tomorrow. C．The others have done the greater part of it. D．They've finished more than half of it.
【简答题】A．They can make them rich. B．They need more people to work for them. C．They need their money to do business. D．Some people win and some lose.
【简答题】A．They need to make more efforts. B．They'll have more work to do tomorrow. C．The others have done the greater part of it. D．They've finished more than half of it.
【单选题】Q: Why do they need to sell new products?
A.
To have more products to sell.
B.
To be like other companies.
C.
To keep their customers happy.
D.
To bring in more customers.
【单选题】Why do they need more company catalogues?
A.
To use them at the conference
B.
To distribute them to the candidates
C.
To send them to the branch office
D.
To send them to their customers
【简答题】A/D转换器和D/A 转换器的主要技术参数是转换精度和_______。
【简答题】A/D 转换器的主要技术参数有: _____________ 、 _____________ 和 _____________ 。
【简答题】A/D转换器和D/A 转换器的主要技术参数是_________和转换速度。
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