设有关系模式：系(系号，系名，办公电话)和学生(学号，姓名，性别，所在系号)。下表是数据的物理存储示意图：
下列文件中，数据存储形式与上表中的存储形式相符的是
A. 堆文件
B. 顺序文件
C. 散列文件
D. 聚集文件
查看答案
Judging from the context, the phrase "hand-to-mouth" (Line 2, Para. 5) most probably means______.
A. adventurous
B. unhappy
C. wandering
D. unstable
The point of similarity between a complex human society and a complex bee society is______.
A. the division of labor
B. the use of fire
C. the development of industry
D. the development of a written language
Which hotel is the woman staying？
A. Capitol Hotel
B. Hilton Hotel
C. Pamela Hotel
Industrial gerontology is concerned with______.
A. how to mange older workforce
B. finding out how productive older workers can be
C. how to meet the challenge of the future
D. finding out what kind of people can stay after the retirement age
微信支付 
支付宝支付