【简答题】甲乙两人800米竞走,最初甲乙速度比是5:4,当甲到达中点后,甲乙两人的速度比是4:5,那么______比______先到达终点,这时后者离终点______米.
【判断题】If the slope is –40 dB/decade, the system could be either stable or unstable. Even if the system is stable, however, the phase margin is small.
【简答题】6人站一排照相,其中有甲乙两人,则甲乙两人之间间隔两人的排法有
【简答题】However,
development in the world is so quick that all levels of government, designers,
and even the general public are becoming more aware of and how bad the consequences could be due to .
【简答题】两地相距93千米,甲乙两人骑自行车同时从两地相对出发,经过3小时相遇.相遇后又同时行使2小时,甲乙两人相隔______千米.
【简答题】打同一份稿件,甲乙两人所用的时间之比是7:6,甲乙两人的效率之比是______.