则下列判断正确的是( )
What suggestion does the man give on reading the books?
如图所示,小物块A与圆盘保持相对静止,跟着圆盘一起做匀速圆周运动.则下列关于A的受力情况的说法中正确的是( )
⒈____ A. Ff B. Mm C. Yy D. Xx
⒉____ A. name B. thank C. am D. that
⒊____ A. teacher B. great C. please D. eat
⒋____ A. person B. teacher C. father D. sister
⒌____ A. mother B. brother C. father D. thank