题目

---- The government should think about the medical reform again, in my opinion. ---- ________________. The medical services and efficiency are not good at the moment. A. You can’t be serious                        B. Go ahead, please C. That’s all right                            D. I can’t agree more 答案：D 下列典故中，从物质变化的角度分析，主要体现化学变化的是                        A．司马光砸缸      B．凿壁偷光        C．火烧赤壁        D．铁杵磨成针