Some people are bad at recalling names and faces, so it's possible that they have a condition called face blindness, ______ people suddenly have trouble recognizing family members, friends or even themselves.
At the Qiantang River on September 24th last year, the tidal bore, a name for a large column of water produced by the tide, _____ as high as 1.9 metres,the start of the autumn flood period of the liver.