According to Unit 1 The Business of Lang...

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【单选题】

According to Unit 1 The Business of Language and the Language of Business , which statement is false ?

Though the rules of genders in English are easier than those in some languages, its rules concerning grammar, spelling and pronunciation are much more irregular and difficult to follow.

Germany and Japan were defeated by the English-speaking Americans and Englishmen because their prime ministers had some trouble in negotiating in English in 1940.

Not only the French, but people from other countries such as Poland and Germany, feel the urgency of defending the encroachment of English.

TV and radio, although being criticized for removing differences on a global scale, may in an opposite way extend the lifespan of some languages spoken by minority groups in small areas.

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【多选题】Which of the following statements about the regulations of healthcare in the US are correct?

Healthcare is subject to extensive regulation at both the federal and the state level, much of which "arose haphazardly". Under this system, the federal government cedes primary responsibility to the states under the McCarran-Ferguson Act. Essential regulation includes the licensure of health care providers at the state level and the testing and approval of pharmaceuticals and medical devices by the U.S. Food and Drug Administration (FDA), and laboratory testing.

These regulations are designed to protect consumers from ineffective or fraudulent healthcare. Additionally, states regulate the health insurance market and they often have laws which require that health insurance companies cover certain procedures, although state mandates generally do not apply to the self-funded health care plans offered by large employers, which exempt from state laws under preemption clause of the Employee Retirement Income Security Act.

At the federal level, US Department of Health and Human Services oversees the various federal agencies involved in health care. The health agencies are a part of the U.S. Public Health Service, and include the Food and Drug Administration, which certifies the safety of food, effectiveness of drugs and medical products, the Centers for Disease Prevention, which prevents disease, premature death, and disability, the Agency of Health Care Research and Quality, the Agency Toxic Substances and Disease Registry, which regulates hazardous spills of toxic substances, and the National Institutes of Health, which conducts medical research.

State governments maintain state health departments, and local governments (counties and municipalities) often have their own health departments, usually branches of the state health department. Regulations of a state board may have executive and police strength to enforce state health laws. In some states, all members of state boards must be health care professionals.

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【单选题】正弦交流电路如下图所示,已知 Z 2 = (8 + j6)Ω , X C = 6Ω , U 2 = 100V ,则总电压 U 的有效值为 ( ) 。

80V

40V

84.84V

120V

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【多选题】关于评标准备的下列说法，正确的有（）。

招标项目设有标底的，标底应保密，并在开标时公布

评标时，以投标报价是否接近标底作为中标的条件

评标时，标底仅作为参考

评标时，不得以投标报价超过标底上下浮动范围作为否决投标的条件