【单选题】在下列账簿中,必须逐日逐笔进行登记的是( )
【单选题】He has ( ) his purpose with the help of his friends.
【判断题】新车车轮及每次更新车轮或修理之后,应进行轮胎动平衡试验,并进行校正。
【单选题】数据未经授权不能进行的特性,即信息在存储或传输过程中保持不被修改、不被破坏和丢失的特性,是指网络安全特性中的( )。
【单选题】在下列账簿中,必须逐日逐笔登记的是( )。
【单选题】With the help of his friends, he has _____a good business over the years.
【简答题】Tom made a beautiful rabbit lantern with the help of his parents.(变被动语态) A beautiful rabbit lantern________ ________by Tom with the help of his parents.
【判断题】新车车轮及每次更新轮胎或修理之后,应进行轮胎动平衡试验,并进行校正。
【多选题】有位同学要备考英语六级,请问通过下列哪些数据库获取相关免费试卷?( )