内墙和楼地面交界处，为保护墙脚不受污损和破坏，应做（）
A、压线条
B、踢脚线
C、护角线
参考答案：B
Jim usually ____ his homework in the evening, but he ____ books now.
A. does; reads B does; is reading C. is doing; reads
社区警务战略的要求是：以社区为依托，立足社区，警民共建。 ( )
