[名词解释] “妈妈语”

请解释幼儿园环境的概念，并举例说明。 《平家物语》写于？（） ["平安时代","室町时代","镰仓时代","江户时代"] 注射卡介苗是为了预防（） What type of services are provided by the Cisco IOS gateways in a VoIP network with Cisco CallManger functionality？（） ["Cisco IOS gateways provide services such as address translation and network access control for the devices on the network","Cisco IOS gateways provide services such as bandwidth management and accounting","Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks","Cisco IOS gateways provide zone management for all registered endpoints in the network"] 政书 “妈妈语”