如何开展大课间体育活动？

A. 直销渠道
B. 实体渠道
C. 电子渠道
D. 社会渠道

A. Transaction management is block-oriented rather than window-oriented.
B. Forms automatically navigates to an item located in an activated window.
C. A window may contain multiple blocks, but each block can only span one window.
D. A window can contain multiple canvases, and an item can be located on multiple canvases.&e

A. RAID 1
B. RAID 6
C. RAID 5
D. RAID 01