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products have solved this problem.
Another medical use of plastic is to make artificial joints. Artificial hips and knees are needed by many
older people so that they can continue to walk. In the past, most artificial joints were made of metal. But
plastic has the advantages of weighing less and being easily formed into any shape. Today, many joints are
made from a combination of metal and plastic parts.
Finally, how's your eyesight? If you wear glasses or contact lenses, you can thank plastic for giving
you good eyesight. Today, actual glass isn't used to make eyeglass lenses anymore. Instead, plastic is used.
Plastic eyeglass lenses are lighter, thinner, less likely to break and harder to scratch. And contact lenses are
made of plastic, too. This makes them more comfortable than those that were made of glass.
While plastic causes some environmental problems, it also brings us many benefits. Without it, our
lives would be much more difficult. In the future, we should continue to enjoy its advantages while finding
ways to lessen its disadvantages.
Question 31: The word "formed" in paragraph 3 is closest in meaning to
A. cut
В. molded
C. frozen
D. melted
A
В
C
Question 32: What is this passage mainly about?
B. harmful health effects of plastic
A. the development of a new kind of plastic
C. why plastic is lighter than metal
D. plastic's role in the medical industry
A
В
C
D
Question 33: Why is plastic used in artificial joints?
A. Its cost is less than that of other materials. B. It is not likely to cause infections.
C. It is light and its shape can easily be changed. D. It is stronger than other materials.
A
В
C
Question 34: The word "its" in paragraph 5 refers to
A. benefit's
B. the future's
C. difficulty's
D. plastic's
A
В
C
Question 35: Which is NOT mentioned as a benefit of plastic eyeglass lenses?
B. They are cheaper than getting surgery.
D. They are thinner.
A. They are less likely to scratch.
C. They are lighter.
A
В
C
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in
Lê Thị Như Yên
00:19:47
Nộp bài >
products have solved this problem.
Another medical use of plastic is to make artificial joints. Artificial hips and knees are needed by many
older people so that they can continue to walk. In the past, most artificial joints were made of metal. But
plastic has the advantages of weighing less and being easily formed into any shape. Today, many joints are
made from a combination of metal and plastic parts.
Finally, how's your eyesight? If you wear glasses or contact lenses, you can thank plastic for giving
you good eyesight. Today, actual glass isn't used to make eyeglass lenses anymore. Instead, plastic is used.
Plastic eyeglass lenses are lighter, thinner, less likely to break and harder to scratch. And contact lenses are
made of plastic, too. This makes them more comfortable than those that were made of glass.
While plastic causes some environmental problems, it also brings us many benefits. Without it, our
lives would be much more difficult. In the future, we should continue to enjoy its advantages while finding
ways to lessen its disadvantages.
Question 31: The word "formed" in paragraph 3 is closest in meaning to
A. cut
В. molded
C. frozen
D. melted
A
В
C
Question 32: What is this passage mainly about?
B. harmful health effects of plastic
A. the development of a new kind of plastic
C. why plastic is lighter than metal
D. plastic's role in the medical industry
A
В
C
D
Question 33: Why is plastic used in artificial joints?
A. Its cost is less than that of other materials. B. It is not likely to cause infections.
C. It is light and its shape can easily be changed. D. It is stronger than other materials.
A
В
C
Question 34: The word "its" in paragraph 5 refers to
A. benefit's
B. the future's
C. difficulty's
D. plastic's
A
В
C
Question 35: Which is NOT mentioned as a benefit of plastic eyeglass lenses?
B. They are cheaper than getting surgery.
D. They are thinner.
A. They are less likely to scratch.
C. They are lighter.
A
В
C
Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in
Lê Thị Như Yên
00:19:47