Chinese Crossword

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Across
  1. 2. An object that shows direction
  2. 4. A body of unelected government officials
  3. 5. A thin part of pottery
  4. 7. An educated member of the government
Down
  1. 1. It links northern and southern China
  2. 3. It lasted from 220 to 589
  3. 6. A policy avoiding contact with other countries