题目

Isn’t it amazing how the human body heals ____ after an injury?A. himself             B. him                C. itself                D. it 答案：C  解析本题考查代词作宾语。itself 指代前面的the human body 。下列物质属于纯净物的是（ ）A．煤B．加碘食盐C．水D．酱油