题目内容：
根据以下资料回答题
What is the passage mainly about?
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________.
参考答案：
答案解析：
填空题：根据以下资料回答题What is the passage mainly about?__________ _______
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What is the passage mainly about?
__________ __________ __________ __________ __________ __________ __________ __________ __________ __________.