Question: How can the larger language families be divided?

Answer: into language branches + groups

Question: What percent of the world’s people speak a language in the Sino-Tibetan family?

Answer: 20%

Question: When drawing a language tree, what do the trunks of the trees represent?

Answer: language families

Question: When drawing a language tree, what do the leaves of the trees represent?

Answer: individual languages

Question: What percent of the world’s people speak an Indo-European language?

Answer: 50%

Question: What branch of the Sino-Tibetan family do most languages of China belong to?

Answer: Sinitic Branch

Question: What is the most important Chinese language?

Answer: Mandarin

Question: What has the relatively small number of languages in China been a source of?

Answer: national strength + unity

Question: The structure of Chinese languages is based on what?

Answer: 420 one syllable words

Question: What represent ideas or concepts, not specific pronunciations?

Answer: ideograms