— I am so glad that I caught you at home. I need your help!
— ____, John?
A:What else
B:So what
C:How come
D:What's up
化学知识与日常生活关系密切。下列说法错误的是()
一场大雪后,人们会感到外面万籁俱静,究其原因,你认为正确的是()