Trademarks, proprietary service marks and regulations need _____ carefully.

A．Regular service.B．Overnight express.C．Same day delivery.D．Priority service.

● 服务组件体系结构（Service Component Architecture，SCA）是基于面向服务体系结构（Service Orien

“公益广告”对应的英文是？（)A、public service advertisingB、public good adC、male service ad

Whats the most common service in the post service？A．The ordinary letter and parcel service

service中如何实现更改Activity界面元素（)。A.通过把当前activity对象传递给service对象B.通过

Many companies spend a lot of money and time（)their trademarks.A. to registerB. registe