1. Even more, the "bilingual advantage hypothesis" is being challenged once again. 更重要的是，“双语优势假说”再次受到挑战。
2. They countered that no negative effects of bilingual education have been found. 他们反驳说，还未曾发现双语教育有负面影响。
3. Researchers now claim that earlier research on bilingual education was seriously flawed. 研究人员现声称，双语教育的早期研究存在严重缺陷。
4. In fact, most children outside of the United States are expected to become bilingual or even, in many cases, multilingual. 事实上，大多数美国以外的孩子都被期望成为双语者，或者——在很多情况下——甚至是多语者。
5. Unlike traditional monolingual programs, bilingual classrooms aim at developing students' ability to use two languages by middle school. 与传统的单语课程不同，双语课堂旨在从中学开始培养学生使用两种语言的能力。
