Astronaut Force Base. Astronauts is training must learn how to control and fly the Space Shuttle and, it is vital that they are familiar with the International Space Station so they know what they must do when they get there. Mission Specialist Educators, or "Educator Astronauts", were first selected in 2004, and as of 2007, there are three NASA Educator astronauts: Joseph M. Acaba, Richard R. Arnold, and Dorothy Metcalf-Lindenburger. Barbara Morgan, selected as back-up teacher to Christa McAuliffe in 1985, is considered to be the first Educator astronaut by the media, but she trained as a mission specialist. The Educator
Chinese as a foreign language use of Westerners. Due to the status of Guangzhou as the only Chinese port open to foreign trade and exchange in the 1700s, Cantonese became the variety of Chinese that came into the most interaction with the Western world in early modern times. Foreign works on Chinese were largely centered around this variant until the opening up of other Chinese regions for commerce through unequal treaties, which exposed European scholars to a much larger number of Chinese varieties. In 1814, a chair of Chinese and Manchu was founded at the Collège de France, and Abel-Rémusat became the first Professor of