Question

【题目】If we learn some knowledge of first aid，it can make a real ________ in time of accidents.

A．appointment B．decision C．deal D．difference

Answer 1

【答案】D

【解析】句意为：如果我们学习一些急救知识，在发生事故的时候它能真正发挥重要作用。make a difference起重要作用。make an appointment约会；make a decision做决定；make a deal达成交易，成交。