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判断题 48.The 42% of Americans who have at least one step-relative typically feel a stronger sense of obligation to their biological parent, child or sibling than to their step-relatives.

A

x

B

正确答案 :A

解析

句意:在至少有一个继亲属的美国人中,42%的人通常对亲生父母、孩子或兄弟姐妹的责任感要强于对继亲属的责任感。句意明确,语法正确。故本题答案为A。