NASA Astronaut Corps their home agency but trained with and serve alongside their NASA counterparts. International astronauts, Payload Specialists, and Spaceflight Participants are not considered members of the NASA Astronaut Corps. The term "Astronaut Candidate" (informally "ASCAN") refers to individuals who have been selected by NASA as candidates for the NASA Astronaut Corps and are currently undergoing a candidacy training program at the Johnson Space Center. The most recent class of Astronaut Candidates was selected in 2017 after receiving more than 18,300 applications. Upon completion of a two-year training program, they will be promoted to the rank of Astronaut. Selection as an Astronaut
Chinese as a foreign language using intonation whilst retaining the correct tones. Chinese courses have been blooming internationally since 2000 at every level of education. Still, in most of the Western universities, the study of the Chinese language is only a part of Chinese Studies or sinology, instead of an independent discipline. The teaching of Chinese as a foreign language is known as "duiwai hanyu jiaoxue" (). The Confucius Institute, supervised by Hanban (the National Office For Teaching Chinese as a Foreign Language), promotes the Chinese language in the West and other parts of the world. The People's Republic of China began to accept foreign