气体与液体接触时,气体向液体内溶解的速度和量决定于( )
A.气体性质
B.液体的性质
C.气体分压的高低
D.环境温度
E.气体的溶解系数
参考答案:A,B,C,D,E
如图所示,一束光从直角三角形玻璃砖AB面垂直射入,并从玻璃砖AC面射出.请画出该过程的光路图.
-- Can you persuade your brother to go with us?
--- No, he will never do ______ he is asked to.
A. whatever B whenever C. however D. whichever