【題目】下列敘述中,正確的是:
A. 南方地區(qū)的河流冬季都有結(jié)冰現(xiàn)象。
B. 南方地區(qū)的主要糧食作物是小麥,北方地區(qū)的主要是水稻
C. 南方地區(qū)熟季為一年兩熟到三熟,北方地區(qū)一年一熟或兩年三熟
D. 南方地區(qū)和北方地區(qū)的農(nóng)業(yè)都以旱作為主
【答案】C
【解析】秦嶺、淮河把我國(guó)東部地區(qū)分為南方和北方,北方地區(qū)到了冬季,氣溫在0℃以下,河流普遍有結(jié)冰現(xiàn)象,南方地區(qū)冬季氣溫在0℃以上,河流不會(huì)結(jié)冰,故A說(shuō)法是錯(cuò)誤的;我國(guó)主要糧食作物的分布,受地形和氣候等多種因素的影響,南方以種植水稻為主,北方以種植小麥為主,故B說(shuō)法是錯(cuò)誤的;南方地區(qū)為亞熱帶,熟制為一年兩熟到三熟,北方地區(qū)為暖溫帶和中溫帶農(nóng)作物一年一熟或兩年三熟故C說(shuō)法是正確的;我國(guó)耕地類型受地形和氣候等多種因素的影響,南方種水田,北方種旱地,故D說(shuō)法是錯(cuò)誤的。故選C。
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