呼吸缓慢变浅伴有呼吸节律异常见于
A．呼吸功能中枢障碍
B．左心衰竭
C．喉炎
D．右心衰竭
E．癔症
参考答案：A
More and more high-rise buildings have been built in big cities space.
A．in search of
B．in place of
C．for lack of
D．for fear of
NC数控穿孔带有7个信息孔，一个同步孔，纸带由穿孔机穿孔。
