（）是指相对于证据来讲两个事实或事件都为真的概率。
A、否定律
B、析取律
C、肯定律
D、合取律
参考答案：D
They suggested that the professor ______ just now ______ chairman of the meeting.
A．referring to; was made
B．referring to; be made
C．referred to; be made
D．referred to; was made
由于车祸导致双目失明属于可遗传的变异。 （ ）
