Ⅰ.1.What problems are Asian countries facing according to the United Nations' report?
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2.How many Asian countries are mentioned in this report? What are they?
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3.What is the most serious threat to the area?
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Ⅱ.1.The report said the reduction in woods areas has already led to increased _____, _____ ______in the dry seasons and_______ _______ ______ ______ _____.
2.A top U.N. official said that as much as______% of the woods in Asia will be gone in______ years unless ________ ______ _______ _______to save them.