冥想时,左脉必须持续流动,意识、身体才能得到控制,保持平衡。
参考答案:错
I met an old friend of mine on my way _______ home, and she was on her way _______ the shopping center.[ ]
A. to; to
B. /; to
C. at; in
D. to; at
神经系统的基本结构与功能单位是( )
A.神经细胞
B.突触
C.大脑皮层
D.反射