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Задание 34785B по Английский ЕГЭ

According to the text (paragraph 1), the effects of caffeine …; have not been studied well enough.; can be of opposite character.; are very dangerous.; are not strong.

According to the text (paragraph 1), the effects of caffeine …

 1) 

have not been studied well enough.

 2) 

can be of opposite character.

 3) 

are very dangerous.

 4) 

are not strong.

Подсказка
Задание №1. Выберите правильный ответ.