题目内容

【题目】中新网北京7月4日电连日来,南方遭遇强降雨侵袭,安徽、湖北等省份出现严重洪涝灾情备受全国关注。今年入汛以来,全国已有1192县遭受洪涝灾害,因灾死亡186人。据此结合所学知识回答问题。

【1】造成我国水旱灾害频繁的主要原因是

A.夏季风活动不稳定

B.冬季风活动强烈

C.南北跨纬度大

D.地形复杂多样

【2】下列属于洪涝灾害多发地区的是

A.江淮地区

B.内蒙古高原

C.西北内陆

D.青藏高原

【答案】

【1】A

【2】A

【解析】

试题分析:

【1】夏季风活动不稳定与雨带进退的失常,往往会造成旱涝灾害.如果推进迟缓,久久徘徊在南方,则会导致南涝北旱;如果推进迅速,且在北方滞留时间长,则容易出现北涝南旱的局面,故选A

【2】洪涝是中国频繁发生的自然灾害,对社会经济正常发展和人民生命财产安全构成严重威胁.它多出现在降水比较集中的夏、秋季,是中国东部平原地区的多发灾害之一.题干中江淮地区降水丰富,暴雨集中,排水不畅,是我国洪涝灾害多发地区,故选A.

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1A. andB. soC. butD. or

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3A. the smallestB. smallerC. smallD. smallest

4A. veryB. soC. suchD. quite

5A. are callingB. is calledC. calledD. are called

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7A. hundreds ofB. hundred ofC. hundredD. hundreds

8A. possibilityB. possiblyC. possibleD. impossible

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10A. haveB. to haveC. havingD. to having

11A. inB. forC. atD. on

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14A. isB. wereC. wasD. are

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