1. What is the man in the picture doing?
参考回答：
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He is scanning a QR code with his phone.
(他在用手机扫二维码。)
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或者更简单：He is shopping online by phone.
(他在用手机网上购物。)
2. Why do more and more people choose this way to shop?
参考回答（选1-2个点即可）：
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Because it is very convenient and fast.
(因为它非常方便快捷。)
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Because they don't need to carry any cash.
(因为他们不需要带任何现金。)
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Because it saves a lot of time.
(因为它节省了很多时间。)
答题小贴士：
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时态一致： 第一小题问 "is... doing"，回答也要用现在进行时 "is doing"。
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关键词： 记得使用 QR code (二维码) 和 convenient (方便的) 这两个核心词汇，通常是考点。
