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发布时间：2006-07-17 09:33     点击：

　　Home builders can now use materials-such as paints that release significantly _78_ amounts of organic compounds -that don't 79 the quality of the air, water, or soil. Ultimately. 80_, our basic design strategy is focused not simply on being "less bad" but on creating 81 healthful materials that can be either safely returned to the soil _82_ reused by industry again and again. As a matter of _83, the world's largest carpet manufacturer has already _ 84_"_ a carpet that is fully and safely recyclable (可循环用的).

　　Look at it this way: No one __85 out to create a building that destroys the planet. But our current industrial systems are } 86 causing these conditions, whether we like it or not. So 87_ of simply trying to reduce the damage, we are _88_ a positive approach. We're giving people high-quality, healthful products and an opportunity to make choices that have a 89 effect on the world. It's not just the building industry, either. 90_ cities are taking these environmentally positive approaches to design, planning and building. Portland, Seattle and Boston have said they want to be green cities. Chicago wants to be the greenest city in the world.

　　71. A) ago        C) before     B) off         D) away

　　72. A) practice   C) idea       B) outlook      D) scheme

　　73. A) go         C) arrive     B) come         D) continue

　　74. A) indoor     C) relevant    B) inward       D) flexible

　　75. A) displayed   C) exhibited   B) discovered   D) revealed

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