【简答题】She___________ aimlessly about the house.
【简答题】掌握液压传动的工作原理(什么是液压传动)
【单选题】She ____ aimlessly around the campus .
【简答题】She is paging through a ______ aimlessly.
【简答题】She was__________( 漫步 )aimlessly up and down the road.
【单选题】Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.
【判断题】二极管的耐压值指的是所能承受的最高电压。
【单选题】—Hello, Mike, what are you going to do tomorrow? —_____. What about you? [ ]
【多选题】【例题42·多选题】根据企业所得税法律制度的规定,下列各项属于生产性生物资产的有( )。(2018年) A.薪炭林 B.产畜 C.役畜 D.经济林