Due to definition, China is a second world country because #1 it holds the communist form of government #2 it is an industrialized country. If you don't believe in Second World, you could technically call it a third world, but it is developing really fast now.
No it is not.
Use communist Chinas official name in public
Beijing
Disputes in the ROC.
Xinjiang
Confucianism.
Asia
Great wall of china
19.33%
Mao Zedong
Just off Shanghai.
Mao Zedong