【題目】讀中國四大地理區(qū)域圖,回答下列問題.

(1)從四大區(qū)域來看,B是 地區(qū):D是 地區(qū).

(2)B地區(qū)與C地區(qū)的分界線大致與1月份0℃等溫線相吻合,也大致與 mm等降水量線接近.

(3)寫出圖中數(shù)字所代表的山脈名稱:①: ②:

(4)③是 (地形區(qū)名稱),作物熟制是

【答案】(1)北方地區(qū),青藏地區(qū) (2)800 (3)昆侖山脈,秦嶺 (4)東北平原,一年一熟

【解析】(1)我國幅員遼闊,自然環(huán)境復(fù)雜多樣,形成了各具特色的地理區(qū)域。在我國地圖上,把秦嶺﹣淮河線、400毫米年等降水量線和青藏高原邊緣線這三條重要的地理界線結(jié)合起來,并根據(jù)實際情況作一定的調(diào)整,就把我國劃分為北方地區(qū)、南方地區(qū)、西北地區(qū)和青藏地區(qū)四大地理區(qū)域。據(jù)圖可知:圖中A為西北地區(qū),B為北方地區(qū),C為南方地區(qū),D為青藏地區(qū)。

(2)秦嶺-淮河一線是我國東部地區(qū)重要的地理界線,在它的南北兩側(cè),自然環(huán)境、地理景觀和居民的生產(chǎn)生活習(xí)慣有明顯的差異。是我國南方地區(qū)與北方地區(qū)的分界線;一月份0℃等溫線通過的地方;800mm等降水線通過的地方;暖溫帶與亞熱帶分界線;濕潤區(qū)與半濕潤區(qū)分界線;溫帶季風(fēng)氣候與亞熱帶季風(fēng)氣候分界線;水稻、小麥的分界線等。

(3)我國面積遼闊,地形復(fù)雜,山脈構(gòu)成了我國地形的基本骨架。據(jù)圖中山脈位置可知:圖中①為昆侖山山脈,②為秦嶺。

(4)據(jù)圖可知:圖中③是東北平原,東北平原主要位于中溫帶,作物熟制是一年一熟.

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