题目

_______ parents say and do has a life-long effect on their children.    A. That    B. Which    C. What   D. As 答案：C 解析: 略一个长方体玻璃缸，底面长2分米，宽1.5分米，放入一个土豆后水面上升了0.2分米，这个土豆的体积是 分米3．