1 precious relics displayed at the ............ help students study about ethnic peoples A. communal house B.art gallery C. community centre D. museum of ethnology 2 the Khmer people in Viet Nam mostly live in the provinces of the............. A. Mekong Deita B. Central Highlands C. Red River Delta D. northern mountainous regions 3. the Thai grow crops and ........... cattle and poultry for their own use. A. herd B. harvest C.keep D. raise 4. the rural western regions are generally less ............ than the urbansised east coast areas A. simple B. basic C. developed D. complicated 5. the beauty of this village scenery is ........, and you can't find it anywhere else A unique B. diverse C. popular D. common