While the roots of social psychology (lie in) the intellectual soil of the whole Western tradition, (it's) present (flowering) is recognized to be (characteristically) an American phenomenon.
A.
lie in
B.
it's
C.
flowering
D.
characteristically
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参考答案:
举一反三
【单选题】离子方程式CO 3 2- + 2H + ='=' H 2 O+ CO 2 ↑中的CO 3 2- 代表的物质可以是 ( )