题型：语法填空（语篇） 题类：常考题 难易度：困难
新目标（Go for it）版初中英语九年级Unit 6 自主检测（含听力音频）
Nowadays, with the development of Internet technology, two-dimensional code (二维码) is very popular among us. It's also (call) quick response code (QR code). It's a group of black square dots on a white background. This special code was invented a Japanese company in 1994. It's (wide) used all over the world.
QR code is used (store) information. It can also store pictures. It is easy to use a QR code. If you want to get the information, just take out your cellphone and scan (扫描) the code by a special app, and then you can get easily.
Today, QR codcs are popular in China. There are QR codes on televisions and the Internet. The codes have been used and printed on Chinese train tickets 2010. When a machine scans the code on the ticket, information of the ticket owner and the train (appear) on the screen in a few seconds.
QR codes have many special uses. For example, in 2008, Japanese company planned to put QR codes on gravestones (墓碑). By scanning the code, visitors could get information about the departed (去世的) person. Recently, special cards QR codes were introduced to old people in some cities in China. If they get (lose), people can know about their names, addresses and telephone numbers of their family members by scanning the codes.
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