如图所示，电流强度为I的一段通电直导线处于匀强磁场中，受到的安培力为F图中正确标示I和F方向的是[ ]
A.
B.
C.
D.
AD
Could I _____ ten yuan from you? I will give it to you next week. [ ]
A. borrow
B. give
C. send
D. help
喘证的严重阶段，其病变脏腑有
A．肺、肾B．心、肺C．肺、脾、肾D．心、肺、肾
