烧结过程中，固体燃料呈分散状分布在料层中，其燃料规律性介于单体焦粒燃烧与焦粒层燃烧之间。
参考答案：对
.---What do parents in China want their children to do?
--- Most parents expect to see their children_____ hard all day.
A．to study
B．studied
C．study
D．for study
计算题：用一千分尺（精度为0.01mm）测量一圆形试样的直径，主尺的刻度为9.5mm，副尺刻线与主尺纵线相对齐处为48，请问这一试样直径为多少？
