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S5 Geog 11.4A 珠江三角洲區域有哪些環境問題？空氣污染

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S5 Geog 11.3E 珠江三角洲區域急速的工業化和城市化，怎樣影響區內的農業發展？(下)

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S5 Geog 11.3D 珠江三角洲區域急速的工業化和城市化，怎樣影響區內的農業發展？(上)

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S3 Geog 5.5f - 為甚麼土地會劇烈震動？我們有甚麼措施應付地震？

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S3 Geog 5.5e - 為甚麼土地會劇烈震動？地震在哪裏發生？

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