【題目】讀圖經(jīng)緯網(wǎng)圖，回答問題

（1）將A點(diǎn)（0°、0°）和B點(diǎn)（20°W、20°S）填入圖中相應(yīng)位置．
（2）寫出C點(diǎn)，D點(diǎn)的經(jīng)緯度
C（）D（）
（3）A，B，C，D四點(diǎn)中，位于南半球的是 ．

【答案】
（1）


（2）（10°W，10°S）；（10°E，40°S）
（3）B、C、D
【解析】（1）根據(jù)A、B的經(jīng)緯度在圖中填注即可．（2）從經(jīng)緯網(wǎng)圖看出，C點(diǎn)的經(jīng)緯度是（10°W，10°S），D點(diǎn)的經(jīng)緯度是（10°E，40°S）．（3）從A、B、C、D四點(diǎn)的緯度知道，B、C、D位于南半球．
所以答案是：（1） （2）10°W，10°S；10°E，40°S；（3）B、C、D．
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．

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