(一)随着社会发展、人口增加和环境污染,世界上许多国家的森林资源出现了锐减的趋势。在我国,也有类似的现象出现。建国以来,我国林业取得了不小的成绩,特别是无林、少林地区和部分集体、国有林区,森林面积不断扩大,林木蓄积有所增加。然而, (A) With the social development, population increase and environmental pollution, the forest resources of many countries in the world have seen a sharp decrease. In our country, there is a similar phenomenon. Since the founding of the People’s Republic of China, China’s forestry has made remarkable achievements. In particular, no forest, Shaolin and some collective and state-owned forest areas have been continuously expanding their forest area and their forest stock has increased. however,