【題目】 春節(jié)前夕,廣州舉行迎春花市節(jié)慶活動,此時的大街小巷擺滿了鮮花,盆桔;而哈爾濱則在此期間舉行冰燈游園會,上千件冰燈藝術(shù)品現(xiàn)場展出。

據(jù)此完成下面小題。

1據(jù)以上材料可以推斷出,我國冬季氣溫的分布特點是

A.普遍高溫B.南北溫差大C.南北溫差小D.東西溫差大

2影響我國冬季氣溫分布的主要因素是

A.海陸位置B.夏季風(fēng)C.地形和地勢D.緯度位置

【答案】

1B

2D

【解析】

1冬季,廣州氣溫較高,氣候溫暖,鮮花盛開,哈爾濱氣溫低,氣候寒冷,所以,我國冬季氣溫分布特點是:南方溫暖,北方寒冷,南北溫差大。B選項正確,ACD選項錯誤。故選B

2冬季,我國南方緯度較低,正午太陽高度大,晝較長,獲得的太陽熱量較多,氣溫較高;我國北方緯度較高,正午太陽高度小,晝較短,氣溫較低,影響因素是緯度位置,D選項正確。故選D

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