内容正文:
英 语
精 练 册
中考研发中心出品
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第一部分 教材话题语篇练
八年级(下)Unit 8
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一、完形 第二节
It’s hard to believe that a beautiful silk dress comes from thousands of very little insects called silkworms! It needs about 5, 500 silkworms to make 2.2 pounds of silk. The process was . .1. . by the Chinese about 5, 000 years ago.
. .2. . is silk made? The process starts with silkworm eggs. The eggs are collected and kept warm. . .3. ., silkworms come out of the eggs. They are . .4. . with leaves from mulberry
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trees(桑树) every 30 minutes all day and all night. The room . .5. . be kept warm, without loud noises or bad smells. After a month, they start to make cocoons(茧). However, only after four days, the cocoons are over.
Next, the silkworms are . .6. . inside the cocoons while they are heated. Then the cocoons are put into water to make the silk loose(松散的). The silk from three or four cocoons is put together and made into a thread. One cocoon can make
a thread which is 1 kilometre . .7. .! Finally, the silk threads are made into cloth, and the cloth is used for . .8. . like dresses, scarves and neckties, etc.
Today, silk is produced in many . .9. . countries, including India and Thailand, but more than 80 percent of the world’s silk comes from China. Every year, enough silk thread is produced to go from the earth to the sun 300 times. People love silk clothes because they are beautiful and . .10. . —silk feels cool in warm weather and warm in cool weather. Now you know why silk is so expensive!
【主旨大意】本文是一篇说明文。主要介绍了丝绸的来源及其生产过程。
1.( ) A. borrowed B. discussed C. discovered
B
【解析】 borrowed借入;discussed讨论;discovered发现。句意:这种工序是大约在5000年前由中国人发现的。
2.( ) A. How B. When C. Where
A
【解析】 根据下文介绍的工序可知,此处问制作蚕丝的方式。
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3.( ) A. Actually B. Later C. Therefore
B
【解析】 Actually事实上;Later后来;Therefore因此。句意:后来,蚕从蚕卵中出来。
4.( ) A. bought B. taken C. fed
C
【解析】 bought买;taken拿走;fed喂养。句意:每隔30分钟给它们喂一次桑叶,不分昼夜。
5.( ) A. can B. must C. can’t
B
【解析】 句意:房间必须保持暖和,没有噪音和难闻的气味。
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6.( ) A. killed B. protec