Which of the following can be inferred from the passage?
A.Cancer can be passed on to the next generation.
B.Senior citizens are more vulnerable to the hurt of radiation.
C.The impact of radiation can be accessible over generations.
D.Scientists have found out solutions to radiation.
第6题
具有囊内韧带的关节是()。
A.肩关节和膝关节
B.髋关节和肘关节
C.髋关节和膝关节
D.肩关节和踝关节
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