变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分语法填空动词主要考点动词谓语动词非谓语动词 词性转换ing分词 不定式ed分词1.1.（20162016新课标卷新课标卷）One One morning, morning, I I was was waiting waiting at at the the bus bus stop, stop, worried worried about about _ (be) late for school._ (be) late for school.2.2.（20162016新课标卷新课标卷）I got a place next to the I got a place next to the window, so I had a good view of the window, so I had a good view of the sidewalk. A boy on a bike _(catch) my sidewalk. A boy on a bike
