Вы услышите интервью дважды. Выберите правильный ответ 1, 2 или 3. Dr. Matthews believes that the key to solving the problem of light pollution lies in... 1. ...making electricity very expensive. 2. ...calculating the value of wasted energy. 3. ...recognizing that this problem really exists.

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Вы услышите интервью дважды. Выберите правильный ответ 1, 2 или 3. Dr. Matthews believes that the key to solving the problem of light pollution lies in... 1.  ...making electricity very expensive. 2.  ...calculating the value of wasted energy. 3.  ...recognizing that this problem really exists.

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