题目内容
同业拆借的基本形式包括（）。
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转贴现是银行之间的融资活动，再贴现是中央银行向商业银行提供的融资活动。
按照有关规定，在我国的同业拆借市场中，政策性银行是不允许参与的。
[音频]Low technology is also important in developing countries. Low-tech inventions can help people improve their quality of life. Two examples are 1. ______devices and stoves that use a small amount of fuel. This is called “appropriate technology.” It usually 2. ________fewer resources than high technology. It also is less 3. ________ and easier to operate. And it does not harm the environment.Burundi’s government wants people to use peat instead of 4. ________fuels. Peat is easy to get and its use can save trees from being cut down. Burundi’s army is the main user of peat stoves. But the country plans to sell peat stoves to 5. ________, too.In Cambodia, about one hundred thousand homes have ceramic water purifiers. These devices 6. _______microorganisms and other substances, making water safe to drink. The American 7. ________group International Development Enterprises has supported the use of the low-tech purifiers.Cambodians like Lach Emmaly are very satisfied. She says she finds the device useful because she does not have to 8. ______for firewood to make a fire to heat water. She says the water 9. _______ saves her time and money, and keeps her 10. ________.
[音频]Ten years after his paper on the special theory of relativity, Albert Einsteinfinished work on another theory. It described what he called his “GeneralTheory of Relativity.” It 1. _______his special theory to include themotion of objects that are gaining speed. This theory offered new ideas aboutgravity and the close 2. ______between matter and energy. It builton the ideas about mass he had 3. ______in 1905.Einsteinsaid that an object loses 4. ______when it gives off light, which is a kindof energy. He believed that matter and energy were different forms of the samething. That was the basis of his famous 5. _______statement E=MC2(Energy equals mass times the speed of light squared). This 6. ______orformula explained that a great amount of energy could come from a small pieceof matter. It explained how the sun could give off heat and light for millionsof years. This formula also led to the 7. _______of atomic energy.Inhis general theory of relativity, Einstein said that gravity, like time, is notalways the same. Gravity changes as 8. _______speed up or slow down. Healso said that gravity from very large objects, such as stars, could turn thepath of light waves that passed nearby. This seemed 9. ________. But in1919, British scientists confirmed his theory when the sun was completely 10. ________during a solar eclipse. Albert Einstein 11. ________ became famous around theworld.
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