【題目】讀圖完成問題.

(1).A、B兩圖是以極點(diǎn)為中心的俯視圖,箭頭表示地球自轉(zhuǎn)方向,對(duì)圖中A、B兩圖的描述錯(cuò)誤的是( 。
A.A 圖表示北半球
B.B 圖表示南半球
C.圖中最大的圓圈緯度是0度
D.④點(diǎn)的經(jīng)度是90°E
(2)既沒有四季變化,又沒有晝夜長短變化的點(diǎn)是( 。
A.①點(diǎn)
B.②點(diǎn)
C.③點(diǎn)
D.④點(diǎn)

【答案】
(1)D
(2)D
【解析】(1)地球自轉(zhuǎn)的方向是自西向東,從北極上空看,按逆時(shí)針方向轉(zhuǎn)動(dòng),從南極上空看,按順時(shí)針方向轉(zhuǎn)動(dòng),因此可判斷,A圖表示北半球,B圖表示南半球;在地球儀表面,與地軸垂直并環(huán)繞地球一周的圓圈叫緯線圈.赤道是最大的緯線圈,把地球平分為南、北兩個(gè)半球,因此圖中最大的圓圈緯度是0度(赤道);根據(jù)自轉(zhuǎn)方向可知,④點(diǎn)的經(jīng)度是90°W.依據(jù)題意.故選:D.(2)既沒有四季變化,又沒有晝夜長短變化的點(diǎn)是④,該點(diǎn)位于赤道上.故選:D.

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