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以下（）属于中央银行的具体职责。

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下列选项中，点支承玻璃幕墙制作安装的技术要求正确的有（）等。

The best place to start, of course, is the home. Every day, people all over the world are hurting the environment without even knowing it. For example, busy families buy paper napkins and plastic food wrap at the supermarket. Tins helps them save time on housework, but after these things have been used, what happens to them？ They go in the trash. In many places, especially in the North America, big cities are running out of places to throw their trash, what can we do about it？
How can we cut down on garbage？ Well, we can start using cloth napkins and cloth towels instead of paper towels. When we go grocery shopping, we can choose products that are not "over-packaged". For example, last week I bought a package of cookies. The cookies were in a bag, there was a plastic tray inside the bag, and then each cookie was in its own little package on the tray in the bag! That' s over-packaging! We should also take our own bags to the grocery store to carry things home in.
Cleaning products are another danger. Dangerous cleaning products enter our water supply every day. Of course, everyone wants a clean house, so what' s the answer？ For one thing, we could make our own cleaning solution from baking soda, lemon, and vinegar.
Now, what about in the community？ At work and school, we use one very valuable item every day. Paper, of course, we need paper to do our work, but how much do we waste？ Does your school or office recycle paper, learn to make notepads from unused sides of old pieces of paper. Perhaps the most important thing we do is to ask our schools to teach recycling to young children. We should teach them to be careful; we should teach them not to litter. We should also teach them by being good role models and recycling as much as we can every day! Finally, plant a tree. Better yet, plant two trees.
What' s the talk mainly about？

A. Green house effect.
B. Garbage treatment.
C. Environment protection.
D. Over-packaging problem.

非房地产开发企业以外纳税人必须在规定的期限内申报缴纳土地增值税。按照现行规定，下列证件和资料属于纳税人申报纳税时必须向主管税务机关提供的是（）。

施工进度目标的逐层分解是从（），逐步地由宏观到微观，由粗到细编制深度不同的进度计划的过程。