【单选题】—Your MP3 is so nice. How much is it? — It me 500. [ ]
【单选题】按下机床急停开关后,通常该开关 是 通过( )来 解锁的。
【简答题】It me3 days t o have the watch repairedA. gave B. took C. made D. kept
【单选题】It me 3 hours to finish my homework.
【单选题】在定量分析中,减小偶然误差可采用的方法是( )
【单选题】—Your MP3 is so nice. How much is it? —It _____ me $300. [ ]
【简答题】运动技能的形成实质上是建立 、 、 的运动条件反射。
【单选题】recognize/ ‘rekəgnaiz/