导引
参考答案：
是一种由舞蹈动作演变而来的一种医疗保健方法，与后来的按摩、推拿及体育疗法等有密切的渊源关系。
阅读对话，回答问题。
A: Excuse me, who's that man, Xiaohua?
B: He's my father.
A: Is that woman your mother?
B: No, she isn't. She's my aunt, Miss Liu.
A: Where's your Mum?
B: Look! She's in the car.
A: Oh,I see.
1. Where's Xiaohua's Mum?
2. Who's that man?
3. Is Miss Liu Xiaohua's Mum?
焊接镀银件时要选用（）锡铅焊料。
A、含锌
B、含铜
C、含镍
D、含银
