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Listening Quiz: Thảo Luận về Công Nghệ Chụp Ảnh Mới – Easy Level
Th5 11, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà vật lý học (English for Physicist)
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1.
What is the conversation mainly about?
A discussion of a new imaging device and its features
A discussion of why radiation is necessary for medical scans
A discussion of how to perform surgery using the new device
A discussion of how to repair broken sound equipment
Explanation:
The speakers talk about a new imaging device, what it does, how it works, and its safety.
2.
What does the new imaging device use to create pictures inside the body?
Magnetic fields
X-rays
Electrical signals
Sound waves
Explanation:
Emma says the device uses sound waves to create pictures inside the body.
3.
What is one effect of using higher frequency sound waves?
They make the images deeper but less detailed
They stop the device from working safely
They replace the need for sound waves
They make the images shallower but more detailed
Explanation:
Emma explains that higher frequency means less depth but more detail.
4.
What can be inferred about the new imaging device?
It is better for seeing large organs deep in the body
It cannot be used safely
It is better for seeing small structures clearly
It uses radiation to improve image quality
Explanation:
Because it has more detail and less depth, Emma says it is good for viewing small parts like blood vessels or tissues.
5.
Why does Emma say the device is still safe?
Because it requires no power source
Because it does not use radiation
Because it only works outside the body
Because it uses lower frequency sound waves
Explanation:
Emma states that sound waves are safe and do not use radiation.
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