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ĐỀ THI CHỌN HỌC SINH GIỎI KHU VỰC MỞ RỘNG NĂM HỌC 2011- 2012 MÔN ĐỊA LÝ LỚP 10
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28/08/2013, 14:12
... agriculture and animal husbandry Over the past few thousand years, the Earth’s climate has been extraordinarily beneficial, and humans have prospered exceedingly well under a benign atmosphere Ice ages ... p.) The spiral and the helix They are everywhere, (1-GRACE), curving shapes whose incredible (2- REGULAR) contrasts so sharply with the random world around them We call them spirals and helices ... water and minerals are beginning to (6) short Pollution and the (7) of waste are already critical issues, and the (8) of the environment is fast becoming the most pressing problem (9) us all The...
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