单项选择题
Which one is similar with”This is for the phone calls you made from your room”?( ) A. This is the charge for the dinner. B. This is the charge for the business center. C. This is the charge for your IDD calls.
判断题 商务谈判需要拒绝。
单项选择题 当满堂或共享空间模板支架立柱高度超过( )时,若地基土达不到承载要求,无法防止立柱下沉,则应先施工地面下的工程,再分层回填夯实基土,浇筑地面混凝土垫层,达到强度后方可支模。 A、2m B、4m C、6m D、8m
判断题 公钥分发需要某种形式的协议。() A、正确 B、错误