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璧山中学高2021级高三地理周周练(第4次)

璧山中学高2021级高三地理周周练(第4次)
璧山中学高2021级高三地理周周练(第4次)

璧山中学高2021级高三周周练(第4次)

(答题时间:40分钟满分:60分)

第 I 卷(45分)

本卷选择题共15小题,每小题3分,共45分;

假设某日北京时间12:00我们在全国各省会城市都立上了一根相同的木棍,测得木棍的影长和方位。绘图时保持这些影子的方位不变,相对长度不变,将影子的起点对齐再叠置在一起,终点为各城市的相对位置,得到下图。读图,完成1~2题。

1.该日最可能为()

A.春分

B.夏至

C.秋分 .

D.冬至

2.该日,各农业区的主要农事活动有一定区别,下列选项错误的是()

A.华北平原收麦忙

B.东北地区小麦追肥灌溉

C.天山转场下山忙

D.南方流域棉花排水排涝

相对湿度是大气的实际水汽压与同温度下的饱和水汽压之比,用百分数表示。相对湿度能直接反映空气距饱和的程度,一天中相对湿度最低值一般出现在14:00左右。对农户大棚来说,棚内高湿状态易引发农作物病虫害。下图为某地温室大棚内相对湿度日变化曲线图,

其中,a、b、c三条曲线表示不同天气状况下的相对湿度变化。据此完成3~5题。

3.该地温室大棚内一天中14:00左右相对湿度最低,说明当时()

A.实际水汽压大 B.饱和水汽压小 C.实际水汽压小 D.饱和水汽压大

4.判断该地温室大棚内a曲线表示的天气状况最可能为()

A.阴天B.多云C.晴天D.雷雨

5.若冬季降低大棚内的相对湿度,应采取的通风办法是()

A.早晨放顶风 B.中午放顶风 C.早晨放底风D.中午放底风新疆地区采用黑白条带地膜覆盖法(下图)繁殖山葡萄,即在垄中间用白色塑料薄膜,垄两侧用黑色塑料薄膜,以此提高葡萄植株成活率。右图示意大气的受热过程。据此完成6~7题。

6.不同颜色的地膜透光性不同,农业生产中白膜、黑膜对大气受热过程的主要影响分别是

()

A.增强①过程减弱③过程B.减弱③过程增强②过程

C.减弱③过程减弱②过程D.增强④过程增强①过程

7.在葡萄垄两侧铺黑色塑料薄膜可以()

A.增加土壤温度、降低土壤湿度B.保持水分、抑制杂草滋生

C.增加土壤肥力、提高膜内温度D.提高温度、增强光合作用

辽宁省锦州地区实施的杨树植根“套袋造林”技术,即在植根苗萌发前,将培土施肥后的杨树植根苗套装塑料袋,用力将袋口压进土里并用土压实,待幼苗萌发展叶后在塑料袋

顶端适当开口,以保证苗木正常发芽生长,通过影响地温使造林质量明显提高。下图为“套袋造林” 地温对比图。据此完成下列4~6题。

8. 根据露地和袋内地温对比,可以看出图示期间()

A. 露地温差持续增大

B. 袋内温差持续减小

C. 14 时袋内外温差大

D. 4时袋内外温差大

9. 推测套袋的最佳时间及选用的塑料袋类型分别是()

A. 1月,白色透明

B. 4月,白色透明

C. 7月,深色不透明

D. 10月,深色不透明

10. 待幼苗萌发展叶后在塑料袋顶端适当开口的主要目的是()

A. 便于添施肥料

B. 便于采光取暖

C. 便于吸收水分

D. 便于通风散热

下图中①②③④表示大别山区位于湖北某地的山脊或山谷,点a、b、c对应的海拔分别为900米、600米、300米。据此完成第11~12题。

11.①②③④中可能发育河流的是()

A.①② B.②④ C.①③ D.①④

12.对图中P点自然地理环境叙述正确的是()

A.坡面径流自东北流向西南 B.位于阴坡

C.植被类型为温带落叶阔叶林 D.坡度最大

钦诺克风指位于北美洲西部的焚风,因越过山顶气流在背风坡下沉而形成。位于落基山

东坡山麓的莱斯布里奇市(50°N,113°W)常受钦诺克风影响。下图示意莱斯布里奇市某日的日均温等值线。据此完成13~15题。

13.图4中所示虚线是()

A.夏季的暖脊 B.夏季的寒脊 C.冬季的暖脊 D.冬季的寒脊

14.一天之中钦诺克风较强时可能出现在()

A.晴朗的午后 B.晴朗的夜晚 C.多云的白天 D.多云的夜晚15.图中暖脊出现可能带来的影响是()

A.可提高农作物产量

B.积雪消融洪水泛滥

C.气温升高作物晚熟

D.居民屋内能耗降低

16.阅读图文资料,完成下列要求。(15分)

澳大利亚森林集中分布在东部地区。从2019年10月开始澳大利亚爆发了大规模的森林大火,这场大火持续了4个多月。在大火发生区常见火焰龙卷风(如左图),气流夹卷着火焰,像一条火龙一样旋转前进。火苗的高度9—60米不等,持续时间一般只有几分钟。下图中右图示意2020年1月某日澳大利亚火灾严重区和海平面气压(单位:hPa)分布。

(1)指出该日影响火灾严重区的天气系统,并分析其天气状况对森林火灾的影响。(6分)

__________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________

(2)推测“火焰龙卷风”多发区的地貌特点并说明理由。(4分)

__________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________

(3)说明“火焰龙卷风”的形成过程。(5分)

__________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________

璧山中学高2021级高三周周练(第4次)

第 I 卷(45分)

题号 1 2 3 4 5 6 7

答案 B C D A B C B

8 9 10 11 12 13 14 15

C B

D B A C B D

第 II 卷(15分)

16. (1)暖锋(锋、低压槽)(2分),局部可能有降水,雨区有利于减弱火势(2分);火灾严重区以偏东风、偏南风为主,火势有可能增大(风助火势)并向西、向北蔓延(2分)。(2)地势平坦(2分)地势平坦对气流旋转阻挡作用弱(摩擦力小),有利于“火焰龙卷风”的形成。(2分)

(3)大火造成的局部高温使大气迅速上升,近地面形成强低压中心(2分),水平气流从四周向低压中心快速辐合,受地转偏向力作用发生(顺时针)旋转(2分),气流运动过程中夹卷着火焰(1分)。

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