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COVID-19 symptoms can appear as early as two days after infection or as late as 14 days, according to the CDC.
CHICAGO - When young US families gather for dinner, half the time is spent preoccupied with electronic devices, toys and tasks that take them physically or mentally away from the table, a study posted on the website of the University of Illinois on Monday shows.
CHENGDU - Movie fans in Southwest China couldn't afford to be picky if they wanted to score cinema seats during this year's week-long Spring Festival holiday.
COMAC said last week it has started the research to develop a widebody commercial jet with Russia for delivery within 10 years.
Calling China and Africa "trusted and meaningful partners", Ramaphosa said the two "have entered the golden age". The continent has embraced China's plan to boost trade and stimulate economic growth, he said.
来源：资阳报