依次填入下列空白处的词语,最恰当的一组是[ ] ①演讲一开始,她的心情有点紧张,

题型:选择题

问题:

依次填入下列空白处的词语,最恰当的一组是[ ]

①演讲一开始,她的心情有点紧张,到后来才渐渐地________下来。

②思想由于它的本性是________的伟大啊!

③当面对生命的疑惑,找不到答案,有迫切的需要,而不能解决时,人们便会向他们所信的“神明”________。

④亚运会金牌选手纷纷________新浪网,与网友畅谈比赛的感受。

A.迟缓 何等 祈求 作客

B.弛缓 何等 祈求 做客

C.迟缓 何其 乞求 作客

D.弛缓 何其 乞求 做客

考点:正确使用词语、熟语
题型:选择题

Happy 75th Birthday, Social Security


1. On its 75th anniversary Social Security is once again under attack and so are its defenders. Those who would axe benefits are spreading myths designed to make you think there is a looming crisis. Well, it is just not true. The stark reality is that it will be several decades before the program encounters any financial problems. The program’s trust fund will have a $4.3 trillion surplus by 2023, and can pay all its obligations for decades to come. And strengthening Social Security is easy—making the very rich pay their fair share by lifting the cap on contributions by the wealthy would allow the program to pay all its obligations indefinitely.
2. Social Security was a centerpiece of FDR(Franklin Delano Roosevelt)’s New Deal reforms that helped this country recover from the Great Depression. These programs provided Americans a measure of dignity and hope and lasting security against the vicissitudes of the market and life. FDR therefore accomplished what the venerable New Deal historian David Kennedy says is the challenge now facing President Obama—a rescue from the current economic crisis which will also make us "more resilient to face those future crises that inevitably await us."
3. This anniversary is also a reminder of how major social reforms in this country have come about—in fits and starts. As former Clinton adviser Paul Begala observed in a Washington Post op-ed, "No self-respecting liberal today would support Franklin Roosevelt’s original Social Security Act... If that version of Social Security were introduced today, progressives like me would call it cramped, parsimonious, mean-spirited and even racist. Perhaps it was all those things. But it was also a start. And for 74 years we have built on that start."
4. Indeed when Social Security was first passed it left out African Americans and migrant workers. It was an imperfect piece of legislation but one that progressives built on to create the program we know today—a program like Medicare—that people feel an emotional connection to and will fight to protect. A new campaign from MoveOn and Campaign for America’s Future will tap into that energy, enlisting candidates to pledge their support to Social Security this election season—opposing any cuts in benefits, including raising the retirement age. And these candidates would be wise to pay attention: A just-released poll shows that 65% of voters reject raising the retirement age to 70. And a separate AARP (American Association of Retired Persons) poll shows the vast majority oppose cutting Social Security to reduce the deficit, and 50% of non-retired adults are willing to pay more now in payroll taxes to ensure Social Security will be there when they retire.
5. Progressives can also mark this anniversary by not only rededicating themselves to defending Social Security, but also going on the offensive to expand and improve our social security system to provide economic security for everyone.

A Difficulty in implementing social reforms in US
B Grand celebration plan for Social Security
C Financial capacity of the present Social Security
D Progressives’ contribution to Social Security
E Impact of Roosevelt’s New Deal reforms
F Social Security’s development and popularity
G Public confidence in new social reforms
Paragraph 1

题型:选择题

计算:-2-(-3)=______,-2×(-3)=______.

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如图所示是利用电动机提升重物的示意图,其中D是直流电动机.p是一个质量为m的重物,它用细绳拴在电动机的轴上.闭合开关s,重物p以速度v匀速上升,这时理想电流表和理想电压表的示数分别是I=5.0A和U=110V,重物p上升的速度v=0.70m/s.已知该装置机械部分的机械效率为70%,重物的质量m=45kg(g取10m/s2).求

(1)电动机消耗的电功率P

(2)绳对重物做功的机械功率P

(3)电动机线圈的电阻R.

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张老师平日工作认真负责,但当月并没有拿到足额工资。学校给出的解释令张老师无法接受,张老师可以向()要求解决。

A.当地法院

B.当地教育行政部门

C.当地检察院

D.当地公安局

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钢筋套筒挤压连接技术的优点及适用范围是什么?

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