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【单选题】
Assume a U.S. dealer bought 100 TVs from South Korea for $250 each in 2006. He subsequently sold 80 of them in 2006 for $450 each, and the rest in 2007 for $400 each. By how much was the U.S. GDP affected in 2006?A.
$45,000
B.
$36,000
C.
c. $19,000
D.
$16,000
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【简答题】转为非常站控时,车站值班员应通知司机车站转为非常站控,用语规定如下(可结合车机联控一并通知): 车站值班员:“××次(),××站转换为非常站控。” 司机应答:“××站已转换为(),××次司机明白”。
【多选题】Which of the statements correctly describe the American Civil War?
A.
The American Civil War was the costliest and deadliest war ever fought on American soil.
B.
The main underlying causes of the American Civil War include simmering tensions between northern and southern states over slavery, states' rights and westward expansion.
C.
The election of Abraham Lincoln in 1860 is the most significant cause of the American Civil War.
D.
The supreme command of the Union armies, Ulysses S. Grant, led the armies to further pursue the Confederates along the Appomattox River, finally exhausting their possibilities for escape.
【单选题】Which of the following statements about the English Civil War is NOT true? ______
A.
The First Civil War defined the relationship between Parliament and the monarchy, giving Parliament the decisive advantage.
B.
During the Second Civil War, Charles I induced the Scots to invade England from 1647-1649.
C.
The English Civil Wars were also called as the Puritan Revolution.
D.
In the period of Civil War, the country was cruelly ruled by Oliver Cromwell.
【单选题】What is a civil war?
A.
A war with invading foreigners trying to take land.
B.
A war where neighboring countries try to take control of the government.
C.
A war where people from the same country fight each other.
【简答题】文件顺序存取与随机存取的主要区别是什么 ? 它们对有结构文件与无结构文件的操作有何不同 ?
【简答题】Where was ice used after the Civil War?
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