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Shanghai is gearing up to accommodate over 300,000 visitors during the expo.

Li said the reforms have already achieved some important results and a large number of medical workers have made great contributions to promote the reforms and protect people's health.

Tsinghua University professor Li Daokui challenged professors to sum up a couple of simple rules that underpin China's achievements through reform and opening-up.

With only 7 percent of the world's arable land, China manages to feed 20 percent of the planet's people, thanks to hard-working Chinese farmers like Xie's mother.

The CIIE is the first ever Chinese fair focusing exclusively on imported foreign goods and services. More than 2,800 companies from over 130 countries and regions have confirmed participation in the event.