【判断题】核反应产生光子,是辐射出来的能量,同时产生对抗引力,使恒星塌缩的压强。()
【简答题】The mercury(水银) had become what we now refer to as a superconductor(超导).
【判断题】The prehead does not necessarily consist of a complete word. They are usually spoken with a fairly high level pitch.
【简答题】除免疫系统外,人体内参与免疫调节的系统还包括神经与()系统。
【简答题】下面是几个常用的函数名,求和函数是____[A]____。(答案中的字母请大写)
【判断题】核反应产生光子,是辐射出来的能量,同时产生对抗引力产生使恒星塌缩的压强。()