一个口袋中装有4个白球，1个红球，7个黄球，除颜色外，完全相同，充分搅匀后随机摸出一球，恰好是白球的概率是（ ）。
In China, everyone recognizes that the growth in the past years _______ too much by exports and
investments, not enough by consumption and domestic demand.[ ]
A. has led
B. has been led
C. leads
D. was led
如果在路上发生了交通事故，你应拨打_____.[ ]
A. 122
B. 114
C. 110
