1. What does she mean by this?
A Small children have different biological cells.
B Radio waves don’t cause any negative effects on children, either.
C Small children are willing to call the mobile phones “safe”.
D Radio waves may be harmful to children.
2. What can be inferred about the purpose of the ongoing research that the professor mentions at the
end of the lecture?
A The research will find that mobile phones are really harmful.
B The research will convince the public that mobile phones are not harmful.
C The research will help cure the illness caused by the mobile phones.
D The research will help create a mobile phone-free environment.