starlight0503
选择A。cost丧失,牺牲,如: Careless driving may cost you your life.粗心大意的驾驶可能让你丧命. 注意用法:cost sb life, sb 要用宾格。不能说cost his life, 要说cost him his life. 类似give him a pen的用法.全句的意思:医生有时候可能会犯错,这错误将夺取病人的生命。
糊糊1011
答案是A .语法结构:be / seem partial to / towards -- - - 偏爱- - -你的句子等于:It is said that bright students seem to be preferred by the maths teacher.语法结构:be preferred by -- - -