在这段道路上一定要减少鸣喇叭的频率。
参考答案：错
筛析法测得的水泥细度，能够真实反映水泥颗粒的实际细度。
Could you help me with my physics, please？（）
A.No, no way.
B.No, I couldn't.
C.No, I can't.
D.Sorry I can't. I have to go to a meeting right now.
