朝花夕拾于（）年出版。
参考答案：1927
自然选择，按其选择的结果分成( )
A．稳定选择 B．定向选择C．分裂选择 D．以上三类
At first the company refused to purchase the equipment, but this decision was ______ revised.
A. subsequently B. successively C. predominantly D. preliminarily
