用游标卡尺测量珠宝尺寸时，上量爪测量内尺寸，下量爪测量外尺寸。
参考答案：对
On May 5, 2005, at ________ World Table Tennis Championship, Kong Linghui and Wang Hao won the gold medal in men's doubles with ________ score of 4: 1.
A．a; a
B．不填; the
C．a; 不填
D．the; a
手太阳小肠经与足太阳膀胱经交接于
A．目内眦B．目外眦C．足大趾内端D．足大趾外端E．无名指端
