在焊缝轨头探测中，会出现焊筋轮廓明显延长或重复显示，除因焊筋轮廓不规则和焊渣影响外，多数是轮廓和母材间存在伤损。
参考答案：对
补全对话。
A: Is that a photo of your 1 ______?
B: Yes, it is.
A: Who's 2 ______?
B: That's my grandpa.
A: Is that 3 ______ grandma?
B: 4 ______, that's my aunt, my father's 5 ______.
A: 6 ______this your mother?
B: 7 ______, she is.
A: Who's this 8 ______? Is he your father?
B: No. 9 ______ my uncle. Uncle John is my father's 10 ______. This is my father.
1.______ 2.______ 3.______ 4.______ 5.______
6.______ 7.______ 8.______ 9.______ 10.______
称脾为“气血生化之源”的理论基础是
A．脾主运化水液
B．脾主运化水谷
C．脾主统摄血液
D．脾气主升
E．脾喜燥恶湿
