网球单打场地宽是()
A. 10.97米
B. 8.23米
C. 10.07
D. 8
当热力学第一定律写成 dU = δQ – pdV 时,它适用于()
A. 理想气体的可逆过程
B. 封闭体系的任一过程
C. 封闭体系只做体积功过程
D. 封闭体系的定压过程
The kids never received any professional training previously, but their performance was__()
A. impressive
B. expressive
C. aggressive
D. innovative
With the rising of China as a world power, the U.S. can no longer___ the world()
A. dominate
B. influence
C. occupy
D. command