【題目】 北京是我國的首都，天安門廣場升國旗的時(shí)間是根據(jù)廣場國旗基座的坐標(biāo)，計(jì)算出日出時(shí)間確定的。日期不同，升國旗時(shí)間也有所差異。讀2020年不同日期（部分）升國旗時(shí)間表，完成下面小題。

日期

天安門廣場升國旗時(shí)間

日期

天安門廣場升國旗時(shí)間

1月1日

7：36

7月1日

4：49

4月1日

5：58

10月1日

6：10

【1】關(guān)于北京市地理特征的敘述，正確的是( )

A.每年都有太陽直射現(xiàn)象B.地形以高原、山地為主

C.是我國政治、文化和對外交流中心D.城市發(fā)展應(yīng)打破舊城格局和原有風(fēng)貌

【2】導(dǎo)致不同日期升旗時(shí)間差異的主要原因是( )

A.地球的自轉(zhuǎn)運(yùn)動(dòng)B.地球的公轉(zhuǎn)運(yùn)動(dòng)

C.緯度位置的變化D.海陸位置的差異

【答案】

【1】C

【2】B

【解析】

【1】北京市位于北回歸線以北的北溫帶，沒有太陽直射現(xiàn)象，A錯(cuò)；北京市地形以平原和山地為主，B錯(cuò)；北京是我國的政治、文化和對外交流中心，C對；北京的發(fā)展對于舊城格局和原有風(fēng)貌應(yīng)該有選擇的保護(hù)，而不是全部打破，D錯(cuò)。故選C。

【2】升旗時(shí)間不同與北京市白晝時(shí)間長短有關(guān)，一年中，北京市白晝時(shí)間長，升旗時(shí)間早，北京市白晝時(shí)間短，升旗時(shí)間晚，而北京市的白晝時(shí)間長短是地球公轉(zhuǎn)產(chǎn)生的晝夜長短的變化，B對，ACD錯(cuò)。故選B。

本題主要考查了北京市的地理特征和地球公轉(zhuǎn)產(chǎn)生的現(xiàn)象，考查了學(xué)生對基本地理知識(shí)的記憶能力。

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