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  3. Which of the following uses of nanotechnology is NOT mentioned in the passage? How can quantum dots be used to confirm diseases

Which of the following uses of nanotechnology is NOT mentioned in the passage? How can quantum dots be used to confirm diseases

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问题 Which of the following uses of nanotechnology is NOT mentioned in the passage?
How can quantum dots be used to confirm diseases?
选项 A、By traditionally looking at a person’s blood under a microscope.
B、By letting a person take some kind of medicine.
C、By lighting up in the presence of a targeted molecule.
D、By subjecting a person to an X-ray examination.
答案C
解析 第三段最后两句悦到，如果存在靶分子的活，量子点就会发光，以此辨认疾病，这正是本题答案，
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