Modern civilizations are as dependent on trees as ______.
primitive peoples
举一反三
- The first trees were like modern trees in most ways except that ______. A: they do not have branches B: they do not have flowers C: they do not have seeds D: they do not need sunlight
- World civilizations are rich andcolorful. The differences between _________civilizations are a basic characteristic of human society.
- American Indians had developed three brilliant civilizations before the Europeans arrived. These three civilizations were_____________________,________________________, and _________________.
- Dali is known as the "Crossing of Asian Civilizations" .
- People who love trees may （）. A: never cause trees injury B: damage trees on purpose C: do harm to trees without knowing it D: not be aware of which trees are healthy
内容
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______ is fun and a great way ______ greenhouse gases. A: Plant trees, reduce B: Planting trees, to reduce C: To plant trees, reduce D: Planting trees, to reducing
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Stonehenge witnesses the civilizations of the Stone and Bronze Ages.
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Civilizations could come into being in a short time.
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China is one of the four ancient civilizations in the world.
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Three great Indian civilizations:the______ , the Mayas ,and the ______ .