题目

In June,2007,a group of students from eight high schools in Winnipeg,the capital of Canada’s Manitoba province,will begin test-launching(试发射)a satellite the size of a Rubik’s cube. The one-kilogram Win-Cube satellite,named for its home city and its shape,will be put into low orbit.Once in space,it can perform for a few months or up to several years,communicating information that could help find the early signs of earthquakes. There are 80 similar satellite projects worldwide,but this is the first high-school based program of its kind in Canada.30 Manitoba high school students are ha已知圆柱的底面半径为1，母线长与底面的直径相等，则该圆柱的表面积为     ．