漫画《努力》体现了中 * * 的传统美德和精神是[ ]
①爱好和平②自强不息③敬业乐群④自力更生
A．①③
B．①④
C．③④
D．②④
答案：D
Tom took a taxi to the airport, only ______ his plane high up in the sky.
A．to find
B．finding
C．being found
D．to have found
油船压力/真空阀的（）在货油舱甲板上的高度应不低于2米。
