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短语讲解：
1. Mr. Putin argues that responsibility for cheating in sport is not just aproblem for his country and that clean athletes shouldn't be punished because of thecrimes of those who've doped.
because of 因为，由于
例句：John's jacket got out of shape because of the heavy rain.
约翰的夹克因为大雨而变形。
2. Sweden says it will impose temporaryborder controls in response to the record number of migrants mainly from theMiddle East reaching their country.
in response to 对…做出反应
例句：He opened the door in response to a knock.
他应敲门声而开了门。
3. He was speaking after tens of thousands of people joined a protest at which the coffins of 7 victims werecarried to the presidentialpalace.
tens of thousands of 成千上万; 千百万; 千千万万
例句：Tens of thousands of professional personnel
数以千万计的专门人才。
