题目

---I hear there’s a lot of equipment in your gymnasium.---Yes. You can choose ______ tools to exercise whatever parts of you body.A. different               B. special                C. same                 D. several 答案：B某课外活动小组在探究物体的“浮沉条件”时，将重为100g的物体放入盛满水的盆中，有90g水溢出，则（ ）A．物块会浮在水面上B．物块会悬浮在水中C．物块会沉入盆底D．不能据此判断出物块的沉浮