国防科技方面的法律制度是指
什么是环锭纺?
在幼儿园活动的某段时间内安排幼儿进行纯游戏活动,教师不进行任何干涉,这属于()。 ["游戏与教学的分离式结合","游戏与教学的插人式结合","游戏与教学的整合式结合","游戏与教学的复合式结合"]
Refer to the exhibit. The network has been configured with H.323 gateways and gatekeepers as shown. Which statement is true when a call is placed?() ["A gatekeeper is contacted to determine the correct local gateway to use.","A gateway will receive the call and forward a call request to the local gatekeeper.","A gateway will receive the call and forward a call request to the gatekeeper on the other side of the WAN","A gatekeeper will receive the call and forward a call request to the remote gateway."]
下列哪些属于不授予专利权的主题?() ["紫草可治疗感冒的特性","治疗心脏病的方法","可使彩灯闪烁的电流","可喷出浓硫酸的防盗门"]
家庭功能是影响儿童发展的重要因素之一,什么是家庭功能?在和谐健康的家庭中。家庭功能有什么特点?