【单选题】输入Ro命令后,输入角度时,负数的旋转方向是?
【单选题】I think you are at the end of your ________ this time and need to turn to Pro. Smith for advice.
【判断题】一个角的弧度值的正负由角的终边的旋转方向决定
【单选题】Most people think that English is ___________ useful language, but some students think it’s ___________ unimportant subject.
【判断题】弧度 的正负由角 的终边的旋转方向决定。
【判断题】REVolve 命令可通过输入负的旋转角度来改变旋转方向。
【判断题】弧度 的正负由角 的终边的旋转方向决定。A. √ B. ×
【单选题】I'm your class today so you must do I tell you. [ ]
【简答题】连词成句。 1. I, Ann, needs, think, help, some ___________________________ 2. please, the station, is, where, me, excuse ___________________________ 3. the clothing shop, the post office, next to, is _____...