健美操基本姿态要表现为挺拔、高立的形态美，与雄健、娇美的艺术美特征。
查看答案
核心肌群只有在运动时发挥作用。
A. 对
B. 错
It's in this house. Can't I turn on the heating?
A. freeze
B. freezing
C. frozen
D. hot
Scientists haveconsidered talking and listening to be two independent processes.
A. tradition
B. traditional
C. traditionally
D. traditionalism
微信支付 
支付宝支付