动脉置管测压最常用的部位是（）
A.尺动脉
B.桡动脉
C.肱动脉
D.腋动脉
E.股动脉
参考答案：B
数据：6，7，8，9，10的平均数是______．
Her dream _____ China has come true at last with the help of her grandfather. [ ]
A. to visit
B. in visiting
C. visiting
D. of visiting
