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[单项选择]As the world continues to recover from the Great Recession, governments and businesses are focused on how to spur economic growth. But if they really want to create jobs, raise incomes, and lift living standards, they should devote more energy to figuring out how to generate economic dynamism over the long term.
At times like this, governments tend to champion particular sectors like manufacturing, or industries like green technology. But true dynamism flows from continuous innovation, experimentation, adaptation, and change, all of which raise productivity over time. Those productivity gains, in turn, lift incomes and drive consumption. This fuels more innovation—and a dynamic economy thus expands in a healthy, sustainable way.
Unfortunately, economic dynamism can also cause dislocation and disturbance as workers lose jobs in failing companies or in fading industries. Change in the ranking of companies has accelerated in many countries, including the United States, over
A. How to raise productivity of some particular sectors.
B. How to innovate, experiment, adapt and make change.
C. How to make gains to lift incomes and drive consumption.
D. How to raise productivity greatly over the long term.

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[简答题]对安全电压值有何规定？

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[简答题]Books are to mankind what memory is to the individual. {{U}}(71) They contain the history of our race, the discoveries we have made, the accumulated knowledge and experience of ages;{{/U}} the picture for us the marvels and beauties of nature, help up in our difficulties, comfort us in sorrow and in suffering, change hours of weariness into moments of delight, store our minds with ideas, fill them with good and happy thoughts, and lift us out of and above ourselves. {{U}}(72) Many of those who have had, as we say, all that this world can give, have yet told us they owed much of their purest happiness to books. {{/U}}Macaulay had wealth and fame, rank and power, and {{U}}(73) yet he tells us in his biography that he owed the happiest hours of his life to books.{{/U}} He says, "If any one would make me the greatest king that ever lived, with palaces and gardens and fine dinners, and wines and coaches, and beautiful clothes, and hundreds of servants, on condition that I should not r

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[单选题]称为中碳钢的为 ( )
A.45号钢
B.20号钢
C.10号钢
D.30号钢

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[多选题]受益所有人信息采集要素包括( )
A.受益所有人的姓名
B.身份证明文件的种类
C.身份证件号码
D.国籍
E.控股比例

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[单选题]电气化铁路线路日常拨道一侧拨道量年度累计不得大于( )。
A.80 mm
B. 100 mm
C.110 mm
D. 120 mm

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[填空题] V带传动机构中,带在带轮上的包角不能小于（）否则容易打滑。

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[单选题]下列人员中，不能称作犯罪嫌疑人的是( )。
A.正在被侦查的人
B.正在被审查起诉的人
C.经过法院审判并被宣布为有罪的人
D.正在被通缉的罪该逮捕的人

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