题目

 As for some skills ,once ____them, you will never forget them, and this is what we call internalization. A. Have grasped   B. to grasp    C. having grasped   D. grasped 答案：C水的比热容较大这一特点在日常生活中有广泛的应用．下列事例中不属于应用这一特点的是（ ）A．培育水稻秧苗时往稻田里灌水B．用水来冷却汽车发动机C．炎热的夏天，往室内地面上洒水降温D．冬天供暖时用水作循环液