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Glass fibers are made by forcing molten glass through tiny holes called spinnerets. As many as four hundred spinnerets are placed together, and threads of glass much thinner than human hairs are drawn off at great speed-miles of thread per minute. The glass fibers are used with plastics to make boats and car bodies and are woven into heavy cloth for window draperies and strong belts for tires. A special kind of glass fiber allows signals of light to travel along the fiber for long distances, enabling communication technologies. Glass wool is made by feeding molten glass into a spinning drum with many holes; as the glass threads stream out they are blown into a thick mat to trap air for insulation.

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167 views2 pages

Reading 2

Glass fibers are made by forcing molten glass through tiny holes called spinnerets. As many as four hundred spinnerets are placed together, and threads of glass much thinner than human hairs are drawn off at great speed-miles of thread per minute. The glass fibers are used with plastics to make boats and car bodies and are woven into heavy cloth for window draperies and strong belts for tires. A special kind of glass fiber allows signals of light to travel along the fiber for long distances, enabling communication technologies. Glass wool is made by feeding molten glass into a spinning drum with many holes; as the glass threads stream out they are blown into a thick mat to trap air for insulation.

Uploaded by

agus setiawan
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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latihan soal toefl Reading

Glass fibers are extremely strong; for their weight, they are stronger than steel. They are made by
forcing molten glass through tiny joles called spinnerets. As many as four hundred spinnerets are placed
together, and threads of glass much thinner than human hairs are drawn off at great speed-miles of
thread per minute. As they speed along, the threads are coated thinly with a type of glue and twisted
into a yarn.

The glass fibers are used with plastics to make boats and car bodies. They are also woven into heavy
cloth for window draperies and into strong belts for making tires stronger.

A special kind of glass fiber is causing a revolurion in communications. A signal of light can be made to
travel along the fiber for very long distances. By changing the quality of the light, many messages can be
sent at once along one strand of glass fibers will be used to connect telephones and computers in ways
that not long ago were either impossible or too expensive.

Glass wool traps air in a thick, light blanket of fibers. This blanket is then put into walls and ceilings to
keep warm air in during the winter and cool air in during the summer.

To make glass wool, molten glass is fed into a spinning drum with many holes in it. As the glass threads
stream out of the holes, they are forced downward by a blast of hot air and trough a spray of glues. The
threads are then further blown about to mix them up as they fall in a thick mat on a moving belt.

The glass we see trough and drink out of has many, many other uses besides the ones described here.

1. what was the author’s main purpose in writing the article?


a. To inform you how special kinds of glass are made and used
b. To persuade you to investigate the many uses of glass beyond those mentioned in the article
c. To inform you about the strength of glass fibers
d. To inform you that glue is used to hold strands of glass together

2. The word special in the second paragraph is closets meaning to :


a. Distinct among others of a kind c. Common
b. Additional d. Species

3. Glass fibers are made by forcing molten glass trough :


a. Spinners b. Spiderets c. Spinnerets d. Spinets

4. The word changing in the second paragraph could best be replaced by the word :
a. Altering b. Boring c. Bringing d. Doing

5. What are glass fibers woven into cloth for?


a. Draperies b. Cars and boats c. Glasses d. Glue
6. The word fed in the fourth paragraph means :
a. To give food to b. To minister to c. To support d. To supply

7. The word they in the second sentence of the first paragraph refers to :
a. Human hair b. Weight c. Glass fibers d. Yarn
8. The word it in the fourth paragraph refers to :
a. Molten glass b. Glass wool c. Spinning drum d. Holes

9. The following sentence would best complete which paragraph? “This improvement in technology is
expected to continue.”
a. Paragraph 1 b. Paragraph 2 c. Paragraph 3 d. Paragraph 4

10.A signal of what can be made to travel along fiber for very long distances?
a. Heat b. Wave c. Wool d. Light

11. The word spray in the fourth paragraph could best be replaced by the word :
a. Shower b. Blow c. Split d. Force

Kunci Jawaban

1. A
2. A
3. C
4. A
5. A
6. D
7. C
8. C
9. B
10. D
11. A

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