首字母填空。

      L 1    at the boy over there. H 2    Jim Green. Jim is eleven and I'm twelve. He is an English b 3    , He is my n 4    friend. We are in C 5    Two. 

     This is o 6    school. I 7    Zhouzhuang Middle School. It is big and c 8    .My father is a t 9    at the

school. We like our school v 10    much

加工配制曲率半径大于12.5m的立式圆筒形储罐时，预制、组装及检验过程中使用的弧形样板的弦长最小不应小于（）m。

A、1

B、1.5

C、2