题目

成语是中华文化的瑰宝。下列成语涉及化学变化的是 A.绳锯木断    B.滴水成冰    C. 死灰复燃    D.聚沙成塔 答案：C16、 ― I’m sorry to keep you waiting. I’ll make shorter work of this. ― ______. I’m not in a hurry. A. Leave it alone                   B. Take your time C. Not at all                          D. Do as you please