四六级考试

【单选题】 The doctor was asked to go back to the hospital because of ______ case.
A．an operation
B．a treatment
C．an emergency
D．an incident

网考网参考答案：C
网考网解析：
[分析] 本题测试点为词义辨析。emergency紧急情况，an emergency case急诊。例如：Open this door in an emergency．危机时请打开这扇门。operation手术。treatment治疗。incident事件。 查看试题解析出处>>