题目

人误食重金属盐中毒后，为减轻毒性，最好服用下列物质中的（   ） A．食醋                   B．肥皂水                C．蛋清                   D．生理食盐水 答案：CThe ______news made him feel _______.A．upset; upset B．upsetting; upsetC．upset; upsetting D．upsetting; upsetting