试题详情多项选择题以下关于主图层的说法正确的是（）A、多页文档只有一个主图层B、多页文档中主图层中的每一个对象都存在于每一页中C、可利用主图层制作页眉页脚D、在主图层上绘制图形与普通图层一样正确答案：C,D答案解析：关注下方微信公众号，在线模考后查看热门试题When is If A customers needeBridges andWhich option is trueThe switched&en三层交换机通过Trunk端口连接到一个aport-security的restriWhat is By default, each porWhat is the final stWhich of How do smart businesclear ip 请参见图示。一台名为myhome的路由器Refer to the exibit.Refer to tWhich of Which statemenRefer to tWhich statemen
