读某地水循环示意图,完成下面小题。 1.图中的水循环类型主要是

读某地水循环示意图,完成下面小题。

1 .图中的水循环类型主要是(

A .陆地内循环 B .海陆间循环 C .海上内循环 D .小循环

2 .图中没有标注的水循环环节有(

植物蒸腾 海水蒸发 地下径流 陆地降水

A ①② B ③④ C ①③ D ②④

答案

1 B

2 C

3 B

【解析】

【分析】

1

I 层是高层大气, II 层是平流层, III 层是对流层。对流层气温随着高度的上升而下降,平流 层气温随着高度的上升而上升。高层大气先随着高度的上升而下降,而后再随着高度的上升 而上升,只有 正确, ACD 错误, B 正确,故本题选 B

2

考查大气垂直分层的特征,电闪雷鸣、刮风下雨等天气现象发生在大气对流层, III 层是对流层, C 正确, ABD 错误,故选择 C

3

电离层位于高层大气,高层大气由下往上依次是中间层、电离层和散逸层,故电离层在 I 层顶部的位置。 B 正确, ACD 错误,故本题选 B

【点睛】

大气的垂直分层:从低到高依次是对流层、平流层、高层大气。

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