题目内容
零售环节销售的金银首饰应同时征收增值税和消费税。（）
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已知函数f(x)=x4-2x在(-2,2)内有两个根。取步长h=0.05,通过计算函数值求得函数的最小值点和两个根的近似解。（提示：求近似根等价于求函数绝对值的最小值点）
1.Boston， one of the oldest cities cities in the US, is famous for a number of _____ during the American Revolution(1775-1783). Therefore, there are many _______ preserved as part of the Boston National Historical Park.
The ________ network provides safe, enjoyable, and affordable travel in North America with a modern, _______ friendly fleet. However, with the growth of _______ and budget airline travel, the intercity routes began to lose customers.
New York State is bounded from west to north by Lake Erie, Niagara Falls, Lake Ontario, and Quebec province.
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