苏木乡镇和街道办事处社会治安综合治理机构，是综治工作的基层单位，是把综合治理各项措施落实到基层的（）环节。
A.主要
B.基本
C.关键
参考答案：C
阅读理解：(相符打√，不符打×)。
Lily is a student of NO. 16 Middle School . She's good at English. Her teacher likes her very much.
She often lets her show the visitors around. Lily likes doing that. She often introduces the class building,
the library, the computer room and the music club to them. She likes her school a lot.
( )Lily is a teacher.
( )Lily enjoys speaking English.
( )Lily doesn't like show the visitors around.
( )She often introduces the dance room.
在你面前摆放一个长方体，你一次最少能看到______个面，最多能看到______个面．
