【題目】我國新疆吐魯番地區(qū)有“早穿皮襖午披紗,晚上圍著火爐吃西瓜”的說法,這說明當?shù)貧鉁氐奶攸c是（ ）

A. 氣溫日較差大B. 氣溫月較差大

C. 氣溫年較差大D. 氣溫的年際變化大

【答案】A

【解析】

根據(jù)新疆地處內(nèi)陸，氣溫冷熱變化劇烈，年降水量表現(xiàn)出由東向西逐漸減少的態(tài)勢。新疆的東部和南部降水甚少；本區(qū)成為太陽輻射高值區(qū)。本區(qū)河流稀少，且大多數(shù)是內(nèi)流河�？偟膩碚f，干旱是本區(qū)自然環(huán)境的主要特征，進行分析解答。

由于中國大陸面積廣闊，西部伸入亞洲內(nèi)陸，因此中國的氣候具有顯著的大陸性特征。主要表現(xiàn)在氣溫的年變化和日變化較大，與世界上同緯度的其他地區(qū)相比，氣溫冬季明顯偏低，夏季明顯偏高。“早穿皮襖午穿紗，圍著火爐吃西瓜”是新疆氣溫日變化大的生動寫照；結(jié)合題意。故選：A。

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