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Critics have said the FAA relied too heavily on Boeing's engineers when certifying the aircraft. But Daniel Elwell, acting administrator of the federal regulatory agency, said a review of the plane's safety took five years to complete, and while the regulatory agency relied on Boeing for technical details, the FAA made the final decision.

Ctrip also established a commercial partnership with OpenTable, another Booking Holdings business. This allows Ctrip customers to make reservations for restaurants in North America on OpenTable.

Cui Ben, 22, started studying railway passenger service in early October at Nanjing Aviation Technical School in Jiangsu province. He had worked for three years at an express delivery company after graduating from junior high school in Anhui province.

Ctrip signed on Friday in Rabat a co-marketing partnership to develop the flows of Chinese tourists in Morocco. [Photo/IC]

Currently, Chongli has seven ski resorts. In addition to winter sports, Chongli has become a host for international competitions such as 168 Ultra-Trail Challenge, BMW HTC China Relay and the world's endurance sport of Spartan Race.