B
For many years, no one could communicate with people who had been born without hearing. These deaf people were not able to use a spoken language.
But ,beginning in the 170Os,the deaf were taught a special language. Using this language, they could share thoughts and ideas with others. The language they used was a language without sound. It was a sign language.
How did this sign language work The deaf were taught to make certain movements using their hands, face, and bodies. These movements stood for things and ideas. People might move their forefingers across their lips. This meant," You are not telling the truth. "They might tap their chins with three fingers. This meant "my uncle".
The deaf were also taught to use a finger alphabet. They used their fingers to make the letters of the alphabet. In this way, they spelled out words. Some deaf people could spell out words at a speed of 130 words per minute.
Sign lan
A. by moving their hands, faces and bodies
B. by shouting and singing
C. without using any letters
D. without using any language
B
For many years, no one could communicate with people who had been born without hearing. These deaf people were not able to use a spoken language.
But ,beginning in the 170Os,the deaf were taught a special language. Using this language, they could share thoughts and ideas with others. The language they used was a language without sound. It was a sign language.
How did this sign language work The deaf were taught to make certain movements using their hands, face, and bodies. These movements stood for things and ideas. People might move their forefingers across their lips. This meant," You are not telling the truth. "They might tap their chins with three fingers. This meant "my uncle".
The deaf were also taught to use a finger alphabet. They used their fingers to make the letters of the alphabet. In this way, they spelled out words. Some deaf people could spell out words at a speed of 130 words per minute.
Sign lan
A. to speak
B. sign language
C. to watch others
D. Braille
Passage One
Electronic books could revolutionize reading, but people ought to consider their far-reaching impacts as well. "The e-book promises to wreak a slow havoc (浩劫) on life as we know it," Jason Ohler, professor of technology assessment (评估), university of Alaska Southeast In Juneau, warned the World Future Society, Bethesda, Md. His assessment weighed the pros and cons (赞成和反对的理由) of e-book technology’s impact on social relationships, the environment, the economy, etc. Before you curl up (蜷曲) with an e-book, consider the disadvantages.
They increase eyestrain due to poor screen resolution, replace a relatively cheap commodity with a more expensive one, and displace workers in print book production and traditional publishing. E-books make it easy to share data, thereby threatening copyright agreements and reducing compensation of authors, as well as creating nonbiodegradable (不可生物降解的) trash.
On the other hand, e-books save paper
A. They are unable to be broken down into harmless products.
B. They consume a lot of natural resources.
C. They produce harmful gases.
D. They are capable of being reused.
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