Hangzhou is __________ to hundreds of foreign friends who are working and studying here.
A:home
B:house
C:family
D:room
魏蜀吴三国鼎立的局面最终形成是在( )
①是学习过程的本质要求 ②适应现代社会知识发展的特点
③适应现代社会对个人素质的要求 ④能帮助我们解决所有的学习问题