某行业内,市场份额在前4名的企业的具体市场占有率分别为:0.15、0.11、0.09、0.05,则CR4是_____。
A.0.05
B.0.1
C.0.2
D.0.4
参考答案:D
She doesn't eat junk food any more. She has ______. [ ]
A. give up it
B. given it up
C. given up it
Applet的默认布局管理器是______。
A.BorderLayout B.FlowLayoutC.GridLayout D.PanelLayout