胸骨角平对
A．第1肋软骨
B．第3肋软骨
C．第2肋软骨
D．第4肋软骨
E．第5肋软骨
参考答案：C
尚重生认为教育应该产业化。
Generally there are________television programs for children on Saturday.[ ]
A. a great many of
B. much
C. a large number of
D. a large amount of
