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填空题 49. The Junior Achievement programs ____ the American and world economics and business operations.

解析

【答案】also teach about
【解析】根据题干关键词 “American, economics and business operation” 定位到的第三段第二句 “The programs also teach about the American and world economics and business operations.” 可知,这些课程还教授有关美国和世界经济及商业运营的知识。故本题答案为also teach about。

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