【題目】 2017年3月3日至8日,《航拍中國》完整推出(包括上海、新疆、黑龍江、江西、陜西、海南篇)。在很多網(wǎng)友心里,這是“把中國拍得最美的一部神作”。

據(jù)此回答下列各題。

1上述材料的省份中都屬于地勢第二階梯的省份是( 。

A.上海、江西B.陜西、新疆C.江西、黑龍江D.黑龍江、海南

2新疆具有“三山夾兩盆”的地形特點,“三山夾兩盆”自北向南依次是( 。

A.阿爾泰山、準(zhǔn)噶爾盆地、天山、塔里木盆地、昆侖山

B.阿爾泰山、準(zhǔn)噶爾盆地、天山、塔里木盆地、祁連山

C.昆侖山、塔里木盆地、天山、準(zhǔn)噶爾盆地、阿爾泰山

D.阿爾泰山、塔里木盆地、天山、柴達木盆地、昆侖山

3下列各組行政中心,冬季溫差最大的是( 。

A.重慶 武漢B.濟南 太原C.南京 南寧D.海口 哈爾濱

【答案】

1B

2A

3D

【解析】

中國地勢西高東低,呈三級階梯分布.第一階梯和第二階梯的分界山脈是昆侖山脈、祁連山脈、橫斷山脈一線,第二階梯和第三階梯的分界山脈是大興安嶺、太行山、巫山、雪峰山一線。第一級階梯包括青藏高原和柴達木盆地,地形以高原為主;第二級階梯包括塔里木盆地、準(zhǔn)噶爾盆地、四川盆地、內(nèi)蒙古高原、黃土高原、云貴高原,地形以高原、盆地為主;第三階梯主要包括東北平原、華北平原、長江中下游平原,以及遼東丘陵、山東丘陵和江南丘陵,地形以平原和丘陵為主。氣溫分布特點為:冬季氣溫普遍偏低,南熱北冷,南北溫差大,超過50℃。夏季全國大部分地區(qū)普遍高溫(除青藏高原外),南北溫差不大。

1我國地勢二、三級階梯的分界線:是大興安嶺、太行山、巫山、雪鋒山,根據(jù)我國各省級行政區(qū)域的分布可知,上海、江西、黑龍江、海南都屬于第三階梯,陜西省和新疆維吾爾自治區(qū)主要位于第二階梯。所以ACD錯誤,B正確。故選B。

2根據(jù)新疆的地形圖可知,新疆地形以山地和盆地為主,自北向南依次是阿爾泰山脈、準(zhǔn)噶爾盆地、天山山脈、塔里木盆地和昆侖山脈,構(gòu)成“三山夾兩盆”的地形特點。所以A正確,BCD錯誤。故選A。

3我國冬季南北氣溫差異大,南方溫暖,而越往北氣溫就越低。緯度跨度越大,兩地溫差越大,選項中位置最靠南、冬季氣溫最高的是海南的行政中心海口,位置最靠北,氣溫最低的是黑龍江的行政中心哈爾濱,兩地冬季溫差最大。所以ABC不符合題意,D符合題意。故選D

本題主要考查我國地勢的分布、省級行政區(qū)域的位置、行政中心、新疆的地形特點和冬季氣溫分布的特點。

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