【題目】我國各地土地資源類型差別很大,因地制宜對土地進(jìn)行多樣化的開發(fā)和利用是我們的基本原則。據(jù)此判斷,下列地區(qū)主要土地利用類型搭配合理的是
A. 青藏高原——林地B. 長江中下游平原——水田
C. 秦嶺山區(qū)——草地D. 大興安嶺——旱地
【答案】B
【解析】
我國各類土地資源齊全,形成了耕地、林地、草地等多種土地類型,這有利于因地制宜,進(jìn)行多樣化的開發(fā)利用。然而,我國各類土地資源在土地資源總量中所占的比重是不同的,其中草地面積較廣,占的比重大,而耕地、林地所占比重相對偏小。
我國土地資源的空間分布不平衡,土地生產(chǎn)力的區(qū)域差異明顯。我國耕地主要分布在東部季風(fēng)區(qū)的平原和盆地地區(qū),其中南方水田為主,北方主要是旱地為主。我國西部耕地面積小,分布零星。我國的天然林地主要分布在東北、西南,東南部山區(qū)的林地多為人工林和次生林。西北和華北的大部分地區(qū)林地很少。我國草地主要分布在內(nèi)蒙古的東部、青藏高原的東部與南部。我國難以利用的土地比重較大,例如分布在新疆、內(nèi)蒙古的干旱荒漠,青藏高原上的高寒荒漠等。故選:B.
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