Do you think mobile telephones are dangerous in any way?
학생이 쓴 원문
I think mobile telephones are the most useful device for us in many ways.
However, electronic micro waves like blue light from them are harmful for us.
I read a news that Blue light causes eye dryness, fatigue and even cancer .
So, it\'s better to use them effectively.
강사 첨삭
Hi [이름] [이름]!
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I hope you\'re ready for the ride.
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~~ Teacher Sharon
I think mobile telephones are the most useful device for us in many ways.
>> I think mobile telephones are the most useful devices for us in many ways.
However, electronic micro waves like blue light from them are harmful for us.
However, electronic micro waves like blue light from them are harmful for us.
>> Correct
I read a news that Blue light causes eye dryness, fatigue and even cancer .
I read a news that Blue light causes eye dryness, fatigue and even cancer .
>> I read some news that Blue light causes eye dryness, fatigue and even cancer.
So, it\'s better to use them effectively.
So, it\'s better to use them effectively.
>> Correct
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