在生产性高温影响下,木材表面温度达40~50℃,其容许应力调整系数为()。
参考答案:0.8
As always when she sang in the bathroom, she________the high notes in a special way.
A.span out
B.belted out
C.spread out
D.stretch out
毒物的排泄途径有哪些()
A.经肾排泄
B.经胆道或肠道排泄
C.经肺排泄
D.经汗腺、涎腺排泄
E.经乳汁排泄