题目内容
软件测试的目的是(53)。为了提高测试的效率，应该(54)。使用白盒测试方法时，确定测试数据应根据(55)和指定的覆盖标准。一般说来与设计测试数据无关的文档是(56)。软件的集成测试工作最好由(57)承担，以提高集成测试的效果。
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Social security tax is collected from______.
Taxes (税) are a big part in the United States. Most Americans pay city taxes, state taxes, social security (安全) taxes, sales taxes … and the list seems endless.
The biggest tax for most Americans is that on the money they earn—the income tax. The personal income tax is called a "progressive tax" because it takes more from those who earn more. For example, a person who earns about 3,500 dollars a year will pay a tax of only about 3.5% of earning, but of the same person earned 85,000 dollars a year, he would pay an income tax of 35%.
Over the years the income tax has become more and more difficult for people to understand. Almost one half of all Americans now have to pay experts to prepare their tax reports in fact, preparing taxes and giving tax advice have become a big industry in America.
Most Americans pay______.
关于权益类资产配置的分类，下列说法错误的是()。
某急性心肌梗塞患者发病48小时后，要求到厕所大便，你应该：
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