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下面的短文有10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形式填入文中，以恢复文章原貌。Problems Caused by Using ComputersLong hours at the screen can cause 41 (ache) eyes, 42 (blur) vision and headaches, experts say. In fact, eyestrain surpasses even wrist pain as the top physical ___43__ (complain) among heavy computer users. When peering into the computer screen, the eye's focusing muscle is at constant tension. Like any muscle, it feels sore when ____44___(overload) . And when someone spends a lot of time looking at something close, the eye muscle can get ____45___(stick) on the near-focus setting and have difficulty relaxing, leaving the person 46 (temporary) nearsighted, a condition called accommodative spasm (痉挛) that can last seconds or hours. The letters on the screen are not as clearly ____47___(define) as on a printed page. Take a magnifying glass to your monitor and you'll see the letters. each made up of pinpoint sources of light, have no sharp edges. But those liquid crystal display (LCD) monitors, like those found on laptop computers, are 48 (easy) on the eyes be-cause they display sharper images. And studies have shown that when people are working on a computer, their rate of ____49___ (blink) goes down by two-thirds, which can result in dry, stinging eyes. This is especially a problem for contact-lenses 50 (wear) .
下面的短文有10处空白，每处空白后的括号内有一个词，请根据短文内容将其正确的形式填入文中，以恢复文章原貌。Problems Caused by Using ComputersLong hours at the screen can cause 41 (ache) eyes, 42 (blur) vision and headaches, experts say. In fact, eyestrain surpasses even wrist pain as the top physical ___43__(complain) among heavy computer users. When peering into the computer screen, the eye's focusing muscle is at constant tension. Like any muscle, it feels sore when ____44___(overload) . And when someone spends a lot of time looking at something close, the eye muscle can get ____45___(stick) on the near-focus setting and have difficulty relaxing, leaving the person46(temporary) nearsighted, a condition called accommodative spasm(痉挛) that can last seconds or hours. The letters on the screen are not as clearly ____47___(define) as on a printed page. Take a magnifying glass to your monitor and you'll see the letters. each made up of pinpoint sources of light, have no sharp edges. But those liquid crystal display(LCD) monitors, like those found on laptop computers, are48 (easy) on the eyes be-cause they display sharper images. And studies have shown that when people are working on a computer, their rate of ____49___(blink) goes down by two-thirds, which can result in dry, stinging eyes. This is especially a problem for contact-lenses 50 (wear) .
Tension in life can increase the likelihood of getting a stomach ulcer.
A、True
B、False
C、Not Given
下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。The Origin of Mother's DayIn the U. S. Mothers'Day is a holiday celebrated on the second Sunday in May. It is a day when children honor their mothers with cards, gifts, and flowers. First observance was in Philadelphia in 1907.26Although it wasn't celebrated in the U. S. until 1907, there were days honoring mothers even inthe days of ancient Greece. 27 Later, in the 1600's, in England there was an annual observance called“Mothering Sunday". 28 On Mothering Sunday, the servants, who generally lived with their employers, were encouraged to return home and honor their mothers. It was traditional for them to bring a special cake along tocelebrate the occasion. Mother's Day was first suggested in the United States in 1872 by Julia Ward Howe as a day dedicated to peace. In 1907 Ana Jarvis, from Philadelphia, began a campaign to establish a national Mother's Day. Jarvis persuaded her mother's church in Grafton, West Virginia to celebrate Mother's Day on the second anniversary of her mother's death, the 2nd Sunday of May. The next year Mother'sDay was also celebrated in Philadelphia. Jaris and others began a letter-writing campaign to ministers, businessmen, and politicians in their quest to establish a national Mother's Day. ____29____President Woodrow Wilson, in 1914, made the official announcement proclaiming Mother's Day a national observance that was to be held eachyear on the 2nd Sunday of May. ____30____Denmark, Finland, Italy, Turkey, Australia, and Belgium celebrate Mother's Day on thesecond Sunday in May, as in the U. S. A. Mother's day should not be just another day with a few flowers thrown in. B. In those days, however, it was Rhea, the Mother of the gods that was given honor. C. Many other countries of the world celebrate their own Mother's Day at different times throughoutthe year. D. They were successful. E. It was celebrated during June, on the fourth Sunday. F. It is based on suggestions by Julia Ward Howe in 1872 and by Anna Jarvis in 1907.
What's the passage most likely to discuss in detail in the following paragraphs?
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