题目

On May 23, six pandas left an important panda base (基地) in Wolong, southwest China’s Sichuan Province(四川省), because of damaged (损坏的) shelters and food shortages（短缺）after the May 12 earthquake（地震）, The pandas took trucks(卡车) to Ya’an,a local official（官员） said. Eight other pandas left the Chengdu Research Base on May 18. They will take China Southern Airlines (CSA) to Beijing. They will travel on a Boeing 747-700 plane with bamboo and water. and they will stay at the Beijing Zoo, said Wolong director Zhang Hemin. “There is enough water now, but f如图所示是行星m绕恒星M运动情况的示意图，下列说法正确的(　)A. 速度最大点是B点B. 速度最小点是C点C. m从A到B做减速运动D. m从B到A做减速运动