【題目】下圖是沿我國境內(nèi)某一經(jīng)線的地形剖面、氣候統(tǒng)計圖。讀圖,完成下題。

【1】下列有關(guān)圖中山嶺的說法正確的是

A.是我國第二級階梯和第三級階梯的分界線

B.該山脈大體呈南北走向

C.與400毫米等降水量線大致吻合

D.是亞熱帶和暖溫帶、濕潤區(qū)和半濕潤區(qū)的分界線

【2】圖中降水最多的地點,其海拔約為

A.900m B.1500m C.2000m D.3000m

【答案】

【1】D

【2】B

【解析】

試題分析:

【1】圖示山地海拔超過3000米,不可能是我國第二級階梯和第三級階梯的分界線,A錯;南坡降水遠(yuǎn)多于北坡,南坡為迎風(fēng)坡,該山可能是東西走向,B錯;該山7月山麓地帶的降水大于500MM,不可能與400毫米等降水量線大致吻合,C錯;該山夏季高溫多雨,降水量南多北少,南坡降水大于800MM,北坡降水400-800間,可判斷是秦嶺山,是我國亞熱帶和暖溫帶、濕潤區(qū)和半濕潤區(qū)的分界線。選D正確。

【2】圖中降水量最多是南坡1500M左右,降水是1250MM。選B正確。

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