多项选择题 验收的基本要求有（        ）。  A、及时 B、准确 C、安全 D、严格 E、经济

多项选择题 Listen to the conversation. Which ideas do the speakers talk about? Check the ideas they all agreed to do. u15-1 A、replacing the light bulbs B、using solar energy C、eating cold food more often D、turning the computers off at night

判断题 棚车用以装运贵重和怕日晒雨淋的货物，不能在车内安装火炉、烟囱、床板等，不可以运送人员和牲畜。