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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】下列有关铁及其化合物的有关说法中正确的是（ ）
A.
赤铁矿的主要成分是Fe3O4
B.
铁与水蒸气在高温下的反应产物为Fe2O3和H2
C.
除去FeCl2溶液中的FeCl3杂质可以向溶液中加入铁粉，然后过滤
D.
Fe3+与KSCN产生血红色沉淀
【单选题】Passage One Historically, although the children of immigrants may have grown up bilingual and bicultural, many did not pass on much of their parents’ language or culture to their own chi...
A.
cultural pluralism in the U. S.
B.
African Americans in the U. S.
C.
history of immigrants in the U. S.
D.
new immigrants in the U. S.