【題目】讀下圖，完成下列問題。（14分）

（1）圖中A點(diǎn)的位置(經(jīng)、緯度)： ；圖中B點(diǎn)的位置(經(jīng)、緯度)： 。

（2）A點(diǎn)在東西半球的 半球，在南北半球的 半球。

（3）B點(diǎn)在 （溫度帶），陽光 （直、斜 ）射。

（4）A點(diǎn)和B點(diǎn)中，位于南北半球分界線上的是________.(填字母)

【答案】

（1）(20°N,170°W) (0°，10°E)

（2）東 北

（3）熱帶 直

（4）B

【解析】

試題分析：

（1）在經(jīng)緯網(wǎng)上，經(jīng)線的度數(shù)叫做經(jīng)度，若相鄰兩條經(jīng)線的經(jīng)度向東增大，就是東經(jīng)，用符號E表示，若相鄰兩條經(jīng)線的經(jīng)度向西增大，就是西經(jīng)，用符號W表示；緯線的度數(shù)叫緯度，若相鄰兩條緯線的緯度向北增大，就是北緯，用符號N表示，若相鄰兩條緯線的緯度向南增大，就是南緯，用符號S表示。據(jù)圖可知：A點(diǎn)的坐標(biāo)是(20°N,170°W)；B點(diǎn)的坐標(biāo)是(0°，10°E)。

（2）我們以赤道為界將地球劃分為南北半球，赤道以北為北半球，以南為南半球；以20°W和160°E組成的經(jīng)線圈為界將地球劃分為東西半球，20°W以東、160°E以西為東半球，20°W以西、160°E以東為西半球。據(jù)圖可知：A點(diǎn)位于東半球、北半球。

（3）習(xí)慣上，人們根據(jù)各地獲得太陽光熱的多少，以及是否有太陽光線的垂直照射、是否有極晝和極夜現(xiàn)象，將地球表面劃分為五個(gè)溫度帶，其中，回歸線之間的區(qū)域有太陽直射現(xiàn)象，為熱帶；極圈以內(nèi)的區(qū)域有極晝極夜現(xiàn)象，為寒帶；回歸線和極圈之間的區(qū)域既無太陽直射又無極晝極夜現(xiàn)象，為溫帶。據(jù)圖可知：B點(diǎn)位于赤道上，屬于熱帶，有陽光直射現(xiàn)象。

（4）我們以赤道為界將地球劃分為南北半球，赤道以北為北半球，以南為南半球。據(jù)圖可知：B點(diǎn)位于南北半球分界線上。

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