题目内容
中央银行在国债市场中向商业银行大量卖出国债，从而减少商业银行超额存款准备金，引起货币供应量减少、市场利率上升。( )是中央银行动用的货币政策工具。
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( )不属于债券付息的方式。
遵循( )是扩大销售的基础。
某人拟在五年后获得本利和10000元，假设年投资报酬率为10%，他现在应投入( )元。
Noise constitutes a real and present danger to people’s health. Day and night, at home, at work, and at play, noise can produce serious (62) and psychological stress. No one is (63) to this stress. Though we seem to (64) to noise by ignoring it, the ear, in fact, never closes and the body still (65) sometimes with extreme tension--to a strange sound in the night.The (66) we feel when faced with noise is the most common outward (67) of the stress building up inside us. The more (68) and more serious health hazards (69) with the stress caused by noise traditionally hay been given much (70) attention. (71) , when we are annoyed or made irritable by noise, we should consider, these symptoms fair warning (72) other things may be happening to us, some of which may be damaging our health.(73) many health hazards of noise, hearing loss is the most clearly (74) and measurable by heal professionals. The other hazards are harder to (75) . For many of us, there may be a risk that (76) to the stress of noise increases susceptibility to disease and infection. The more (77) among us may experience noise a (78) factor in heart problems and other diseases. Noise that causes annoyance and irritability in health persons may have more serious consequences for those already ill in mind or body. (79) , the link between noise and many disabilities or diseases has not yet been (80) demonstrated, and we (81) to dismiss annoyance caused by noise as a price to pay for living in the modem world. 78（）
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