题目

Liu Xiang, a 21-year-old Chinese athlete, got the gold medal of the fascinating men's 110m hurdles(跨栏) before a crowd of 70 000 at the Olympic Stadium in the 28th Olympics in Athens late Friday local time. He clocked an excellent 12.91 seconds to equal the world record set by Britain's Collin Jackson in 1993. It is the first gold Chinese men's athlete has ever won from the track and field in the Olympics history. China has won over 100 gold medals from the summer Olympic Games since 1984 but its male athletes only got one medal from Olympics' most popular sport. The Shanghai native, wit5．看图填空：（单位：厘米）（1）如果用铁丝做成这样一个框架，至少需铁丝52厘米；（2）它的左侧面的周长是14厘米，面积是12平方厘米；（3）最大面的面积是24平方厘米，表面积是108平方厘米，体积是72立方厘米．