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【题目】天气和气候是指某个地方距离地表较近的大气层具体状态。据此,完成下面小题。

1下列叙述正确的是

A.天气和气候都是多变的B.天气和气候都具有相对稳定性

C.天气是多变的,气候有相对稳定性D.天气有相对稳定性,气候是多变的

2下列描述的大气现象中,属于气候的是

A.西北地区比较干燥,昼夜气温变化剧烈B.受冷空气影响,我县明天有霜冻

C.受台风影响,南部地区后天有强降水D.本周六天气晴,气温较低,风力大

【答案】

1C

2A

【解析】

1关于天气与气候的叙述,天气表示的是短时间内的大气运动状况,是多变、具有不稳定的,气候表示的是长时间内的大气运动状况,具有相对稳定性,少变的;故选C。

2气候表示的是长时间内的大气运动状况,具有相对稳定性,以上四句话中,“西北地区比较干燥,昼夜气温变化剧烈”表示的是长时间里的气候特征,其他三句表示的是天气特征,故选A。

本题考查天气与气候的区别。

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