要找回因为断电来不及保存的文件应该使用播放跟踪/培训文件。
A、正确
B、错误

单项选择题“On a hunch I went over the garage and took a quiet look-see at your car.” The phrase “On a hunch” means ( ). A、 by accident B、 by chance C、 by mistake D、 by instinct

单项选择题dissolve A、解决 B、融化 C、解散