Thosewho have never suffered _________ of sight or hearingseldom make the fullest use of these blessed faculties. A: impairment B: aggravation C: frustration D: depression

China’s achievement in poverty relief is amazing.句中,relief 和amazing的意思是_______. A: release; pleasantly surprising B: alleviation; pleasantly surprising C: aggravation; pleasantly confusing D: escalation; pleasantly confusing