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In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of
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13 Skyscrapers and Environment In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointed out that a cluster of tall buildings in a
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At the New California Academy of Sciences in San Franciscos Golden Gate Park, you can see all the colorful creatures youd expect to find inside a top-notch aquarium or museum, but its the outside of the building that truly makes it unique. It's as if
万花筒2008年
That'true. monarch butterflies lay their eggs on milkweed plants.The caterpillars feed on milkweed, from which they extract substances called cardenolides, a type of chemical that can cause heart arrhythmia. This toxin doesnt affect the caterpillars
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In the late 1960's, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. 60年代后期，许多悲没人把注意力转向了环境问题，那些崭新的玻璃钢摩
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Skyscrapers and Environment In the late 1960's,many people in North America turned their attention to environmental problems,and new steel-and-glass skyscrapers were widely criticized.Ecologists pointed out that a cluster of tall buildings in a city
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