第1个回答 2006-07-22
Our contry produces 45 billion throwaway chopsticks every year,
it needs cut down 6 million trees, but it is said that the ecological value of a tree is 9 times larger than the ecological value of a piece of throwaway chopsticks.The forest is very important for humans,it take in CO2,just like the lung of the earth.
第2个回答 2006-07-22
China produces approximately 45billion pairs of throwaway chopsticks annually, this meanas 6million trees to be cut down. However, the ecological value of a tree is 9 times the value of the chopsticks made from it. Forest is important to human, it's the lung of earth which absorbs carbon dioxide.本回答被网友采纳
第3个回答 2006-07-22
China's annual production of approximately 45 billion pairs disposable chopsticks need 6 million tree felling. But a tree is its ecological value of the nine times the value derived chopsticks. Forest is very important for mankind, it is absorbed by the Earth's lungs, carbon dioxide.
第4个回答 2006-07-22
Our country probably produces 45 billion 双一次性 chopsticks every
year, needs to fell 6 million big trees. However a tree's ecology
value is its makes the chopsticks value 9 times. The forest regarding
the humanity said the count for much, it on equally is absorbing the
carbon dioxide like Earth's lung.