一只不透明的袋子中有1个白球、1个红球和2个黄球,这些球除颜色不同外其它都相同,搅均后从中任意摸出1个球,摸出黄球可能性是( ).
下面哪一种药物属于平肝熄风药( )
A.天麻
B.麝香
C.地龙
D.贝母
E.桔梗
The harder you work, the______likely you are to qualify as a doctor by the time you graduate.
A.much B.more C.fewer D.less