“酒逢知已千杯少，话不投机半句多”是人际吸引中（）
A.相似吸引
B.互补吸引
C.邻近吸引
D.外表吸引
参考答案：A
My host family are very kind to me. I feel that I'm _ the family. [ ]
A. a part
B. parts of
C. part of
D. part in
色谱分析中“三快”“三防”指的是什么？
