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【单选题】
Thomas Jefferson drafted the Declaration of Independence in Philadelphia behind a veil of congressionally imposed secrecy in June 1776 for a country wracked by military and political uncertainties. In anticipation of a vote for independence, the Continental Congress on June 11 appointed Thomas Jefferson, John Adams, Benjamin Franklin, Roger Sherman, and Robert R. Livingston as a committee to draft a declaration of independence. The committee then delegated Thomas Jefferson to undertake the task. Jefferson worked diligently in private for days to compose a document. Proof of the arduous nature of the work can be seen in the fragment of the first known composition draft of the declaration, which is on public display here for the first time. Jefferson then made a clean or 'fair' copy of the composition declaration, which became the foundation of the document, labeled by Jefferson as the 'original Rough draught. ' Revised first by Adams, then by Franklin, and then by the full committee, a total of forty-seven alterations including the insertion of three complete paragraphs was made on the text before it was presented to Congress on June 28. After voting for independence on July 2, the Congress then continued to refine the document, making thirty-nine additional revisions to the committee draft before its final adoption on the morning of July 4. The 'Original Rough Draught' embodies the multiplicity of corrections, additions and deletions that were made at each step. Although most of the alterations are in Jefferson's handwriting (Jefferson later indicated the changes he believed to have been made by Adams and Franklin), quite naturally he opposed many of the changes made to his document. Congress then ordered the Declaration of Independence printed and late on July 4, John Dunlap, a Philadelphia printer, produced the first printed text of the Declaration of Independence, now known as the 'Dunlap Broadside. ' The next day John Hancock, the president of the Continental Congress, began dispatching copies of the Declaration to America's political and military leaders. On July 9, George Washington ordered that his personal copy of the 'Dunlap Broadside,' sent to him by John Hancock on July 6, be read to the assembled American army at New York. In 1783 at the war's end, General Washington brought his copy of the broadside home to Mount Vernon. This remarkable document, which has come down to us only partially intact, is accompanied in this exhibit by a complete 'Dunlap Broadside'—one of only twenty-four known to exist. On July 19, Congress ordered the production of an engrossed (officially inscribed) copy of the Declaration of Independence, which attending members of the Continental Congress, including some who had not voted for its adoption, began to sign on August 2, 1776. This document is on permanent display at the National Archives. On July 4, 1995, more than two centuries after its composition, the Declaration of Independence, just as Jefferson predicted on its fiftieth anniversary in his letter to Roger C. Weightman, towers aloft as 'the signal of arousing men to burst the chains.., to assume the blessings and security of self-government' and to restore 'the free right to the unbounded exercise of reason and freedom of opinion. ' Drafting the Declaration of Independence. ______.
A.
was an artful work
B.
involved a lot of efforts
C.
was an ardent work
D.
was rather easy for Jefferson
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参考答案:
举一反三
【多选题】在可靠性工程中,正态分布是很有用处的,其正确说法有( )。
A.
正态分布具有对称性,它的主要参数是均值μ和方差,记为N(μ,σ2)
B.
可用于分析磨损(如机械装置)而发生故障的情况
C.
也可用于分析鞭炮等成败型产品的失效情况
D.
方差σ2决定正态分布曲线的形状,表征分布的离散程度
【单选题】设有如下两个关系 职工(职工号、职工名、部门号、职务、工资), 部门(部门号、部门名、部门人数、工资总额), 其中,职工号和部门号分别为职工关系和部门关系的主键(或称主码) 。在这两个关系中,只有一个属性是外键(或称外码) 。它是
A.
职工关系的“职工号”
B.
职工关系的“部门号”
C.
部门关系的“部门号”
D.
部门关系的“部门名”
【判断题】在顿悟中,产生新的思想、形成有效的新异联系才是顿悟实现的关键,这一加工过程主要由海马脑区负责。
A.
正确
B.
错误
【单选题】设有职工关系staff(sid, sname, ssex, sage)。查询年龄(sage)大于35岁的职工号(sid)和姓名(sname)。下列关系代数表达式正确的是( )。
A.
I 和II
B.
I 和III
C.
II 和III
D.
I、 II和III
【单选题】平面机构中的高副所引入的约束数目为
A.
1个
B.
2个
C.
3个
D.
4个
【单选题】使用总账系统填制凭证时,如果要求输入对应的票据日期、结算方式和票号,以便
A.
( )辅助核算:
B.
数量账
C.
往来账
D.
银行账
E.
外币核算
【单选题】在顿悟中,产生新的思想、形成有效的新异联系才是顿悟实现的关键 ,这一加工过程主要由()脑区负责。
A.
扣带前回
B.
海马
C.
颞 - 枕区
D.
前额叶
【单选题】平面机构中,低副和高副分别引入的约束数为( )。
A.
2 , 1
B.
1, 2
C.
2, 2
D.
1, 1
【单选题】试以 L.r[k+1] 作为监视哨改写教科书 10.2.1 节中给出的直接插入排序算法。其中, L.r[1..k] 为待排序记录且 k 。 void InsertionSort ( SqList &L ) { // 对顺序表 L 作直接插入排序。 for ( i=k-1-1; i>=1; --i ) { if (L.r[i+1].key L.r[j].key; ++ j ) L.r[j-...
A.
A.L.r[j+1] = L.r[k+1];
B.
L.r[j] = L.r[k];
C.
L.r[j] = L.r[k+1];
D.
L.r[i] = L.r[k+1];
【单选题】设圆的半径为r,60°的圆心角所对的弧长为L,则L与r的关系是(  )
A.
L=r
B.
L= π 3 r
C.
L= 2π 3 r
D.
L=πr
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