题目

 –I will visit my uncle in Beijing next month. Could you please tell me ___?    --Oh, you may take the subway there.    A. where is the new airport    B. how I can get to the new airport    C. where will the new airport be    D. how can I get to the new airport 答案：B对于运动着的体操运动员来说，其重心位置的正确说法是（　　）A．重心的位置总不变B．重心的位置总在身体内部C．运动员的体姿改变，重心的位置可能改变D．以上说法都不正确