1. (2023高二上·双城期中)  阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

A groundbreaking new app from the Changsha IFS mall shows5G transforms the shopping experience. 

updating clothes or comparing prices, mobile technology has transformed the shopping habits of(today) customers.5G is bringing the mobile revolution into real-world shopping. 

In China's Changsha, Changsha IFS became the first 5G-enabled(commerce) complex in the country. And it's using a new shopping navigator (导航), IGO, whose role isn't just help users find their way around the mall's different(level). Users can even enjoy a personalized shopping experience and engage with an interactive treasure hunt game.

Common phone navigation tools can be tough(use) within complex indoor environments. However, the IGO system, which opens directly from WeChat, uses the smartphone camera to capture the user's precise(locate).

Once a destination(select), the navigator starts to guide shoppers through their environment step by step. IGO combines 5G technology with Augmented Reality so that navigation markers appear on top of the real environment,(mean) shoppers can easily navigate, turn by turn and floor by floor，having to puzzle out how the blocks on a map relate to where they are in the real world.