在解答考研英语二的因果题时，关键在于准确识别因果关系的线索，如表示原因的词汇（如because, since, due to等）和表示结果的词汇（如therefore, hence, as a result等）。以下是一个原创的因果题答案示例：
题目：The author mentions the increase in online shopping during the pandemic. What can be inferred about the reason for this increase?
答案：The increase in online shopping during the pandemic can be attributed to the necessity for social distancing measures, which led to a reduced frequency of physical store visits and an increased reliance on e-commerce platforms for daily needs.
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