题目

设A为圆周上一点，在圆周上等可能取点，与A连接，则弦长不超过半径的概率为A.                B.                  C.                 D. 答案：B  如图,设AC=AB=r,则要使弦长不超过半径,则取点应在劣弧上,易知∠AOC=∠AOB=,∴概率为. That is Jim's book．Would you please pass ________? [　　] A．him on it B．on it to him C．it on to him D．on it him