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常识问答知识窗问题（１）公民每人每年要种植多少棵树？答：公民每人每年要种植３～５棵树。问题（２）我国的森林覆盖率是多少？答：我国的森林覆盖率是１３９２％。◆王瑞常识问答@王瑞...
Knowledge Questions Q & A Questions (1) How many trees should citizens plant per year? A: Citizens each year to grow 3 to 5 trees. Question (2) What is the forest cover rate in our country? A: The forest coverage in China is 1392%. ◆ Wang Rui question and answer @ Wang Rui ...