分离
参考答案：分离分离是指个体与家庭或亲密朋友渐渐地或突然地脱离，去寻求个别化，也即寻求更高程度的适应于社会的独立性。
The cars in the auto show vary ______ price from $ 100,000 ______ $ 2 million, but they have attracted many customers.
A．in; to
B．with; and
C．of; with
D．from; to
具有亲细胞作用的抗体是
A．IgM
B．IgD
C．IgE
D．IgG
E．IgA
