【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
该图为黄河源地区不同海拔的草地退化情况。读图回答10~11题。
小题1:黄河源地区草地退化的特点是( )A.居民点密度越大草地退化率越高B.海拔4500~4600米的草地退化率最小C.居民点密度越大草地退化面积越大D.海拔4300~4400米的草地退化面积最大小题2:影响黄河源地区不同海拔草地面积大小的主要因素是( )A.土壤水分气温B.土壤水分坡度C.气温光照D.光照坡度
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAA5ElEQVRYR2NkGGDAOMD2M+B0wKpVq9huv/jbxPD/fxwDA4MkhQ59zsDIuEhVgrkuLCzsF7JZOB3QOml5B8P//+UUWoyqnZGxszovsoI4B0xc9gyfzxmZmb2rcsK3IRvWMWm599///7fgcfTz6vwoKWId8B+f75kZGX0q8iK3kugAhur8KJRQxx0FE5fhdQC5UTPqgNEQGA2B0RAYDYHREBgNgaETAuTW96TqG7yt4tbRFhGRIQBqHTP9+8dIoDUMTxqk5AK8zXKYiaDWMYhNpANIaJYPdMdkwLtmpOZnctUPeDkAAP6tmiH1ggTLAAAAAElFTkSuQmCC)
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参考答案:
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参考解析:
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