高分组学生有丰富的背景知识，包括语言学知识、社会文化知识、及心理学知识等。
The H-score learners have accumulates a wealth of background knowledge, including linguistic knowledge, cultural knowledge as well as psychological knowledge.
此外，教材应呈现学生能够理解的社会文化知识，尤其是在一定环境中得体交际的知识。
To be able to speak a language, it is important to know about the society and culture of the target language.
介绍美国文化、地理、历史、习俗礼仪、美中各自的教育系统及其他相关的社会文化知识；
Giving introductions on American geography, culture, history, customs, education systems and other western social and cultural information;
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