目前3G业务平台存在问题主要包括（）和（）。
参考答案：TD各业务平台业务质量亟待提高；业务平台提供商的服务需要加强
You are requested at an English evening to be held at the school auditorium on Friday, at 7．00 pm．
A．be present
B．to present
C．presenting
D．presented
个别智力测验
