压力监测换算方法:①1cmHO=()kPa②1mmHg=()cmHO=()mmHO③1mmHg=()kPa
参考答案:0.098;1.36;13.6;0.133
It makes little difference to me _____ we go or stay. [ ]
A. whether
B. where
C. that
D. how
有圆规画一个直径为8厘米的圆,圆规两脚间的距离应取______厘米.