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DALLAS－A Boeing 737 Max jet staged its first post-grounding flight with media on board on Wednesday, as carriers seek to demonstrate to passengers that the updated jet is safe after a 20-month safety ban.

Currently, about two-thirds of the 1.1 million people allowed to migrate to the nation each year are given green cards granting permanent residency because of family ties.

DENVER - A shooting in downtown Denver on Monday left at least one person dead and three others wounded, while no suspects were in custody, according to a police spokesman.

Critics believe the FAA relied too heavily on Boeing engineers when certifying the MAX. But others say new technology quickly outpaces the ability of government regulators to evaluate it and therefore must rely on company engineers.

Cushman & Wakefield's Shen said the virus would challenge the operation and management of old office buildings. Operators could pay more attention to the safety and health of the working environment in their daily operations and offer more value-added services to meet the varied requirement of enterprises.