A. took objective tests B. specialized in one subject C. were timed by electric clocks D. never took written exams 参考答案:D 答案解析:[听力原文]11-13 In ancient times the most important examinations were spoken, not written. In the
第23题: [单项选择]计量资料的正确定义是指 A. 每个观察单位的观测值都是绝对数的资料 B. 每个观察单位的观测值都是相对数的资料 C. 每个观察单位的观测值都是平均数的资料 D. 每个观察单位都有一个数值,无论该观测值是绝对数、相对数还是平均数的资料 E. 将每个观察单位按某种属性或类别分组,然后清点各组的观测单位数得到的资料 参考答案:D
第29题: [单项选择]What is the man’s sister doing now 参考答案:B 答案解析:[解析] 根据对话内容:“她喜欢她在纽约的旅行。”可以推断出她在纽约旅行。故本题答案为B。
[听力原文]
W: Have you heard from your sister yet
M: Y