Liu Boming (astronaut) Liu Boming (astronaut) Liu Boming (; born September 1966) is a Chinese pilot selected as part of the Shenzhou program. A fighter pilot in the People's Liberation Army Air Force, he was selected to be an CNSA member in 1998. Liu, along with Zhai Zhigang and Jing Haipeng, was chosen to be the main crew of "Shenzhou 7", with Zhai as commander, on 17 September 2008. On 25 September, at 21:10 CST, they launched into space as China's third human spaceflight mission, and the first Chinese mission ever to have a three-man crew. Liu and Zhai participated in China's first-ever
Chinese as a foreign language neutral (轻声，denoted as no-mark in Pinyin) although the official name of the tones is Four Tones. Many other Chinese dialects have more, for example, Cantonese has six (often numbered as nine, but three are duplicates). In most Western languages, tones are only used to express emphasis or emotion, not to distinguish meanings as in Chinese. A French Jesuit, in a letter, relates how the Chinese tones cause a problem for understanding: Moser also stated that tones were a contributing factor to the difficulty of learning Chinese, partly because it is difficult for non-native learners to know how to convey emotion