健康的人体美应该是体形美、姿态美、动作美和（）的有机结合。
20世纪初期的（），大力提倡新道德、反对旧道德，提倡新文学、反对旧文学，向封建礼教提出全面挑战
A. 洋务运动
B. 戊戌变法
C. 新文化运动
D. 辛亥革命
There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available，and the other is（）.
A. the lack of cooling effect on heated materials
B. that it cannot be used in a dead ship situation with no electrical power to the CO2 pump
C. that it breaks down under extreme heat to form poisonous gases
D. there is no effect on a class A fire even in an enclosed space
A点在大地水准面上，B点在高于大地水准面100m的水准面上，则A点的绝对高程是0m，B点的绝对高程是100m。
A. 正确
B. 错误
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