心衰病人血流量减少最显著的器官是（）。
A.肾
B.皮肤
C.肝
D.脑
E.甲状腺
参考答案：A
儿童身心发展有两个高速发展期：新生儿与青春期,这是身心发展( )规律的反映.
A．顺序性
B．不平衡性
C．阶段性
D．个别差异性
I don't understand the story though there are ______ new words in it.[ ]
A. a few
B. few
C. many
D. several
