[题目]湿地与森林.海洋一起并称为全球三大生态系统.我国湿地类型多.面积大.分布广,是一个湿地资源大国.完成下列问题.[1]下列地理事物中,属于湿地的有①青海湖 ②稻田 ③黄河 ④水库 ⑤海洋A.①③⑤ B.③④⑤ C.①②③④ D.①③④⑤[2]下列关于湿地的功能或用途,说法正确的是A.三江平原多荒地,为扩大耕地的后备资源B.鄱阳湖.洞庭湖面积广,为长江径流� 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】湿地与森林、海洋一起并称为全球三大生态系统。我国湿地类型多、面积大、分布广,是一个湿地资源大国。完成下列问题。

【1】下列地理事物中,属于湿地的有

①青海湖 ②稻田 ③黄河 ④水库 ⑤海洋

A.①③⑤ B.③④⑤ C.①②③④ D.①③④⑤

【2】下列关于湿地的功能或用途,说法正确的是

A.三江平原多荒地,为扩大耕地的后备资源

B.鄱阳湖、洞庭湖面积广,为长江径流的调节系统

C.崇明东滩地处土地紧缺的上海,为扩建城区的理想用地

D.湛江红树林,可成为当地木材的供应地

【答案】

【1】C

【2】B

【解析】

试题分析：

【1】湿地是指水位经常接近地表或为潜水覆盖的土地。湿地包括沼泽、滩涂、湖泊、水库、稻田等，但是海洋不属于湿地。综上分析故C正确。

【2】三江平原为沼泽湿地，具有维护生态平衡的作用。故A错误；湖泊具有调蓄洪水的作用，鄱阳湖、洞庭湖位于长江流域，故B争取。滩涂为湿地，不能作为扩建城区的用地，故C错误；红树林是海防林在维护生物多样性、防止海浪侵袭具有重要作用。故D错误。

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