X-rays are harmless to the human body
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- 以下属于直接电离辐射的是（） A: X-rays B: γ-rays C: β-rays D: neutrons
- X-rays and gamma rays can be used to detect and treat cancer ______.
- X-rays are also called Rontgen rays _____ the discoverer who first put them to use. A: in case of B: in view of C: in place of D: in honor of
- 导致X线穿过物质时衰减的原因是The reason for the attenuation of X-rays through the material is? X线能量X-rays' energy|X线频率X-rays' frequency|物质和距离Material and distance|X线波长X-rays' wavelength
- the human body is incredibly
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TCM’s view of the human body focuses primarily on body structures. （ ）
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More （and） 90 percent of the calcium in the （human） body （is） in （the） skeleton.（） A: and B: human C: is D: the
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Human body diseases vary in both ____and diversity.
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The ______ of music has an effect on human body rhythm.
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The human body feels comfortable when the humidity is about