填空题

With the improvement of digital imaging technology, digital cameras have taken the place of conventional cameras.

【参考答案】

N

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填空题

From the passage we learn how a digital camera works wilt] some principles and processes.

问答题

假设你是王明，昨天你到超市购物，对一位服务人员的服务态度不满，请写一封信找经理抱怨、投诉。 A Letter of Complaint