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2013-05-14

Stickgold's research focused on the side effect produced by
A　memory impairment.
B　lack of sleep.
C　low work efficiency.
D　memory recall.

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参考答案

B

答案解析

暂无解析

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1 In Stickgold's experiment, those who were kept awake on the first night
A　could very well remember the direction of the diagonal bars.
B　didn't do any better after two nights' sleep.
C　were as tired as those who were not.
D　could recall the direction of more bars than those who were not.

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2 　Those who slept the first night
A　couldn't remember the task.www.
B　could not sleep the second and third nights.
C　performed slightly better than those who did not
D　did much better than those who did not.

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3 根据以下短文，回答题。

第二篇　The Cherokee Nation

Long before the white man came to America, the land belonged to the American Indian nations. The nation of the Cherokees lived in what is now the southeastern part of the United States.
After the white man came, the Cherokees copied many of their ways. One Cherokee named Sequoyah saw how important reading and writing were to the white man. He decided to invent a way to write down the spoken Cherokee language. He began by making word pictures…… For each word he drew a picture. But that proved impossible - there were just too many words. Then he took the 85 sounds that made up the language. Using his own imagination and an English spelling book, Sequoyah invented a sign for each sound. His alphabet proved amazingly easy to learn. Before long, many Cherokees knew how to read and write in their own language. By 1828, they were even printing their own newspaper.
In 1830, the U.S. Congress passed a law. It allowed the government to remove Indians from their lands. The Cherokees refused to go. They had lived on their lands for centuries. It belonged to them. Why should they go to a strange land far beyond the Mississippi River?
The army was sent to drive the Cherokees out. Soldiers surrounded their villages and marched them at gunpoint (在枪口的威胁下) into the western territory. The sick, the old and the small children went in carts, along with their belongings, The rest of the people marched on foot or rode on horseback. It was November, yet many of them still wore their summer clothes. Cold and hungry, the Cherokees were quickly exhausted by the hardships of the journey. Many dropped dead and were buried by the roadside. When the last group arrived in their new home in March 1839, more than 4,000 had died. It was indeed a march of death.
The Cherokees used to live

A．by the roadside.

B．in the southeastern part of the US.

C．beyond the Mississippi River.

D．in the western territory.

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