【单选题】刚体做定轴转动时,若【图片】,则刚体做_____。
【判断题】刚体绕定轴转动时,若角加速度为正,则刚体作加速转动;若角加速度为负,则刚体做减速转动。
【简答题】(b) Explain what is meant by McGregor’s (i) Theory X (5 marks)
【单选题】--- I’m sure I will get good marks in the final exam. --- I believe your parents will ______ your study if you try your best.
【判断题】刚体绕定轴转动时,若角加速度为正,则刚体做加速转动;若角加速度为负,则刚体做减速转动。
【判断题】实现两个一位二进制数和低位进位数相加产生和数及进位数的电路称为半加器。
【单选题】At first I________confidence to try it,but now I’m beginning to get the idea.And my marks have improved. [ ]
【单选题】---I did very well in the Maths exam yesterday. ---I did _____ . I got full marks.
【单选题】—I'm sure I will get good marks in the mid-term exam. —I believe your parents will ______ your study if you try your best. [ ]
【单选题】刚体做定轴转动时,若 ,则刚体做_____。