第1题: [单项选择]Hotel Receptionist: Front desk. Can I help you Guest: This is Mr. Burton in 1205. ______ A. Would you please call me at 6:00 in the morning B. Wake me up at six, will you C. How can I wake up in the morning D. Can I get a wake-up call, please 参考答案:D 答案解析:[注释] 本对话是宾馆的客人与前台的一个电话,客人要求叫醒服务,一般常见的说法为D选项。
第5题: [单项选择]某资料最小组段为>4,最大组段为<60,此资料可用哪种数描述其集中趋势()。 A. 均数 B. 标准差 C. 中位数 D. 四分位数间距 E. 几何均数 参考答案:C 答案解析:本题考点是集中趋势指标的应用条件。本题资料属于"两端开放"资料,即无上下限资料,此类资料的集中趋势宜用中位数。
第21题: [单项选择]Which of the listed items will stop a motor due to a reduction in voltage and restart it when the voltage is restored to normal?() A. Low voltage protection circuit B. Non-renewable link fuse C. Renewable link fuse D. Low voltage release circuit 参考答案:D