A:Up the dog jumped
B:The dog up jumped
C:Up jumped the dog
D:Jumped up the dog
已知A、B、C是单位圆上三个互不相同的点.若AB→=AC→,则AB→·AC→的最小值是( )
春节假期,很多同学选择外出游览大自然的美丽风光,愉悦身心。对以下行为你不赞成是:( )
一个加数是470,另一个加数280,和是____ 。被减数是620,减数是350,差是____ 。
从方框中选择适当的单词完成短文。
What's this on the table? It is a ____ of my new classroom. ____ at the picture. ____ can you see ____ the classroom? I can see a ____ desk in the front of the classroom. Some books are ____ the desk. I can see two white ____ , too. There are____ colored chalks (彩色粉笔n them. ____ is the broom (扫帚)? It’s ____ the door. I like this new classroom.