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举一反三
【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.
【单选题】一项大型管道越江工程，河宽 600m 左右，因不能断航决定采用钢管顶管施工，过河 管合适的外防腐方案应采用( )。
A.
普通防绣漆，辅以牺牲阳极法
B.
耐磨防绣漆，辅以外加电流法
C.
普通防绣漆，辅以外加电流法
D.
耐磨防绣漆，辅以牺牲阳极法