The population (人口) of China is very ______. [ ]
A. large
B. big
C. huge
D. heavy
答案:A
数据库设计的根本目标是要解决______。
A.数据共享问题
B.数据安全问题
C.大量数据存储问题
D.简化数据维护
The book written by Mr. Jackson ______ people from all walks of life, making it the best seller in England.
A.appealed to
B.contributed to
C.adapted to
D.owed to