会阴、 * * 手术后,会阴擦洗常用药液为
A.1:5000高锰酸钾溶液B.0.2%~0.5%碘伏溶液C.1%乳酸溶液D.0.5%醋酸溶液E.2%~4%碳酸氢钠溶液
参考答案:A
—How nice the music sounds !
—It does! The peaceful music will make you feel .
A. excited
B. bored
C. moved
D. relaxed
变速器在验收时,各档均不允许有噪声。()