下列哪一种表现符合中枢性呼吸衰竭()
A.明显呼吸困难
B.呼吸先快后慢,但呼吸节律整齐
C.胸式呼吸或腹式呼吸减弱
D.呼吸节律不规则及幅度不均
E.发绀
参考答案:D
肺活量指数是反映肺通气能力的常用指标。其值越大,说明呼吸系统的功能越好,肺活量和体重指标都可以通过体育锻炼得到改善,最终表现为肺活量指数的升高。
We saw several natives advancing towards our party, and one of them came up to us, __________ we gave some bells and glasses.
A.to which
B.to whom
C.with whom
D.with which