题目

Fill in the blanks with the word in its proper form.【1】We had three______to parties. (invite)【2】Richard is American, John is British – they have different________. (nation)【3】There are many places of_______interest in Beijing. (history)【4】When we see_______to animals, we should stop it right away. (cruel)【5】It was very_______of me to leave with the door open yesterday evening. (care)【6】Her______made the students love her very much. (kind)【7】For your own_______, please do not smoke inside the plane. (safe)【8】In everyday English, we don’t call people from othe甲同学说：“静止的物体没有惯性，运动着的物体才有惯性．”乙同学说：“物体没有力作用或受到平衡力作用时没有惯性，物体从静止变为运动或从运动变为静止时才有惯性．”这两位同学的说法对吗？为什么？