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According to the first video clip, Chinese used （） as money 5000 years ago.
According to the first video clip, Chinese used （） as money 5000 years ago.
A.paper
B.stone
C.crop
D.shell
正确答案：D
标签：
向世界讲述中国
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Imagine the offline moment in your life, suppose you go for groceries in a supermarket, buy a snack in street shops, eat at some restaurants, go to watch a movie, or take a subway, you just scan their （） on their wall or at the cashier, the mobile pay pag