【題目】地球儀是學(xué)習(xí)地理的重要工具。某中學(xué)地理興趣小組利用自制簡易地球儀演示地球運動(圖示如下),結(jié)合圖示完成下面小題。

（1）左圖中左手持鉛筆(代表地軸)不動,鉛筆與桌面始終保持約66.5°的夾角,右手自西向東撥動地球儀演示地球的自轉(zhuǎn)運動能觀測到________現(xiàn)象。

（2）右圖中手持地球儀演示地球公轉(zhuǎn)運動,應(yīng)該注意:①保持地軸的空間指向不變；②以光源為中心沿________時針方向移動地球儀。

通過演示,同學(xué)們對地球運動產(chǎn)生的地理現(xiàn)象有了更形象的認識。請你結(jié)合圖文資料和所學(xué)解答下面小題。

（3）2019年3月5日上午9時,中華人民共和國第十三屆全國人民代表大會第二次會議在人民大會堂開幕。身在莫斯科(東三區(qū))的王先生想觀看會議直播,應(yīng)該在當?shù)貢r間_____收看,這種時間上的差異是由______引起的；會議開幕時,地球公轉(zhuǎn)到了左圖中的______之間。

（4）民間廣為流傳的九九消寒歌生動記錄了“數(shù)九”期間當?shù)氐臍夂颉⑽锖蚣稗r(nóng)事活動。數(shù)九期間太陽直射點介于中圖的________之間,移動方向是________。

（5）下列生活中的現(xiàn)象由地球公轉(zhuǎn)引起的是（_______）

A.一天中旗桿影子長短的變化 B.溫帶地區(qū)一年四季的變化

C.一天中陰晴風(fēng)雨的變化 D.從山麓到山頂氣溫的變化

（6）當?shù)厍蜣D(zhuǎn)到丁處時，北極圈內(nèi)出現(xiàn)_____________現(xiàn)象

【答案】晝夜更替 逆 3月5日4時 地球自轉(zhuǎn)運動 �。� ③④ 向北 B 極夜

【解析】

（1）由題目可知，右手自西向東撥動地球儀演示地球的自轉(zhuǎn)運動能觀測地球上的晝夜更替現(xiàn)象。

（2）將地球儀以光源為中心，要注意兩點，一是地軸的空間指向不變，二是以光源為中心，地球按逆時針方向運動。

（3）當北京時間（東8區(qū)）是3月5日的上午9點時，身在莫斯科(東三區(qū))的王先生想觀看會議直播,應(yīng)該在當?shù)貢r間3月5日4時觀看；這種時間上的差異是由于地球的自轉(zhuǎn)運動導(dǎo)致的；會議開幕時，地球公轉(zhuǎn)的位置是在圖中丁－甲之間。

（4）數(shù)九期間是在1月9日-3月4日之間，太陽直射點介于中圖的③④之間，是在冬至日至次年春分日之間，移動方向是向北。

（5）以上四種現(xiàn)象中，一年中的四季變化是由地球公轉(zhuǎn)運動導(dǎo)致的，一天中的影子變化、天氣變化及山頂與山麓的氣溫差異與公轉(zhuǎn)無關(guān)，故選B。

（6）當?shù)厍蚬D(zhuǎn)到丁處時，太陽直射在南回歸線上，是北半球的冬至日，此時北極圈會出現(xiàn)極夜現(xiàn)象。

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