A.分子见的作用力减小
B.分子扩散运动加快
C.分子间平均距离增大
D.分子总数的减少加快
答案:B
It is one thing to enjoy listening to good music, but it is _____ another to play it well yourself. [ ]
A. quite
B. very
C. rather
D. much
SG1025/18.3M317型锅炉尾部再燃烧的原因有哪些?