我国的社会保险制度体系主要包括( )、医疗保险、失业保险、工伤保险、生育保险等内容。
A. 养老保险
B. 就业保险
C. 生活保障
D. 房屋公积金
Bungee-jumping was introduced to the world by a group of British university students.
A. 对
B. 错
Bungee-jumping was traditionally performed to ward off evil spirits.
A. 对
B. 错
These days, only men would go bungee-jumping for fun on the island of Pentecost.
A. 对
B. 错