我国政府部门要建立WWW网站，其域名的后缀应该是（）。
A、com.au
B、gov.au
C、gov.cn
D、net.cn
参考答案：C
Gina _____ a famous film star yesterday, and she _____ his autograph.[ ]
A. meet, brought
B. met, got
C. mat, take
D. meet, took
中压气系统的作用？
