简述儿童特殊含义。
参考答案：
儿童泛指0-18岁的未成年人，狭义的儿童专指6-12岁的孩子。
—Does Mr Hill have a bad cold?
—________. He can't go to school until next week. [ ]
A. I think so
B. I think it
C. I think not
D. I don't think so.
下面选项中是河北远程教育网卫星频道所对应的PID值（十六进制）的是（）。
A.E7
B.E8
C.100
D.101
