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【简答题】
The Sultana was a Mississippi River steamboat destroyed in an explosion on April 27, 1865. An (1) __________1,800 of the 2,400 passengers were killed, and the Sultana sank not far from Memphis, Tennessee. This disaster received little public attention, as it took place soon after the President Abraham Lincoln was (2) __________. The wooden steamboat was constructed in 1863and (3) __________ be used for the lower Mississippi cotton trade. Registering 1,719 tons,the steamboat was built to carry no more than 376 people. For two years, it ran a regular route between St. Louis and New Orleans. Sometimes it was asked to carry troops. The Sultana left New Orleans on April 21, 1865.Most of the passengers were Union soldiers who had recently been (4) __________from Confederate prison camps. The US government had (5) __________the Sultana to transport these former prisoners of war back to their homes in the north. At 2 a.m. on April 27, about seven miles north of Memphis, at least one boiler (6) __________,causing a huge explosion that destroyed the center portion of the boat, throwing sleeping men high into the air before landing in the river.Confusion and chaos (7) __________ as men tried to save themselves and others. Many drowned while others burned to death. The direct cause of the explosion was later determined to be the leaky and poorly repaired steam boiler. Passengers who *8) __________the initial explosion had to risk their lives in the icy water of the Mississippi or burn with the ship.Many died of drowning or coldness. Bodies of (9) __________continued to be found downriver for months. Many were never recovered. Some of the Sultana's crew, including the captain, were among those who (10) __________.
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【单选题】一阶测试系统的单位斜坡响应为下列的哪一个?______
A.
y(t)=t+τe -t/τ
B.
y(t)=-t+τe -t/τ
C.
y(t)=t-τ+τe -t/τ
D.
y(t)=2t-τ+τe -t/τ
【单选题】李女士,35岁,某公司职员。她在公司没有知心朋友,甚至他人也不愿意跟她说真心话,因为她平时经常表里不一。她违反了礼仪的
A.
遵守的原则
B.
自律的原则
C.
真诚的原则
D.
敬人的原则
E.
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A.
组织策略
B.
模式再认策略
C.
精细加工策略
D.
复述策略
E.
动作系列学习策略
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A.
1-e -t/T
B.
e -t/T
C.
t-T+Te -t/T
D.
e -t/T
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A.
为了保证正确地定位错误,需要有丰富测试经验的测试人员验证发现的错误是否是真正的错误,并且验证错误是否可以再现。
B.
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C.
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D.
对于无法再现的错误,应该由项目经理,测试经理和设计经理共同讨论决定拒绝或者延期。
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正确
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硬盘空间不足
B.
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C.
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D.
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【判断题】本章需要了解极限的概念。
A.
正确
B.
错误
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音乐欣赏
B.
乐器演奏
C.
声乐歌唱
D.
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