毕业于湖南大学，曾任凤凰卫视董事局 * * 兼行政总裁是（）
A.陈保民
B.刘长乐
C.李光辉
D.汤世生
参考答案：B
Not until my first book was put on the top 10 list________ writing could really make a difference in my life.
A．I knew
B．that I knew
C．did I know
D．that did I know
工序质量控制就是对( )的控制。
A．施工工艺和操作规程
B．4M1E因素
C．质量控制点
D．活动条件和效果
