World Heritage Sites are classified into...__________ heritage.
举一反三
- World Heritage Sites are classified into three types: cultural, natural and __________ heritage.
- Zhouzhuang is classified as a World Heritage Site by the UNESCO. （ ）
- The ratio of cultural to natural sites on the world heritage list is roughly __________.
- UNESCO has not yet decided to put Venice on the list of World Heritage Sites In Danger. （ ）
- By 2017, the number of World Heritage Sites in China is the second only to Italy's 53.