GRE Text Completion: JiJing 1373-GRE填空机经1373题 - OUF45DF7W7XBAW7ZA

From time to time, all scientific disciplines encounter observations that do not fit the theories of the day. At first such observations tend to be treated as (i)____________, but those scientists (ii)____________ them sometimes discover that they have to abandon established principles in order to account for the new findings. A. anomalies B. averse to scrutinizing C. discoveries D. willing to investigate E. harbinger F. unable to acknowledge