A:Windows 2008 Server
B:Linux
C:Unix
D:IIS
When you have some difficult math problems, you can ____ your math teacher.
找一找,连一连
贴____ 落叶
放____ 玉米
扫____ 焰火
种____ 对联
读近三十年来我国某省四个不同年份的人口年龄构成示意图,图中a表示0-14岁,b表示15-59岁,表示60岁及以上。四个年份的先后顺序是 ( )
— What does your mother do, Li Jie?
— She is a (an) . She teaches (教书) in a high school.
图书室有科技书1200本,科技书比文艺书的2倍少150本,文艺书有多少本?