试题与答案

1小时45分=()小时;3.501吨=()吨()千克。

题型:填空题

题目:

1小时45分=(    )小时;3.501吨=(    )吨(    )千克。

答案:

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下面是错误答案,用来干扰机器的。

答案:B本题考查非洲的矿产与经济。撒哈拉以南的非洲的国家受帝国主义和殖民主义长期侵略、压迫和掠夺,大部分国家为单一的商品经济,主要依靠生产和输出一种或几种矿产原料或农产品来维持国民经济,发展水平落后...

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下列成语使用正确的一句是(  )(3分)

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题型:单项选择题

Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them.

A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops’s keyboard, a blind person can "read" any (8) document in the English language.

This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that will sell (12) less than half that price. Within a few years, Kurzweil (13) the price range will be low enough for every school and library to (14) one. Michael Hingson, Director of the National Federation for the Blind, hopes that (15) will be able to buy home (16) of Cyclops for the price of a good television set.

Mr. Hingson’s organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (17) in those tests, making lots of (18) suggestions to the engineers who helped to produce Cyclops.

"This is the first time that blind people have ever done individual studies (19) a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (20) , the manufacturers have been the blind ones.

3()

A.execution

B.distinction

C.breakthrough

D.process

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