Прочтите, перепишите и переведите предложения, обращая внимание на обороты с инфинитивом. 1. after a number of experiments they dissolved the substance. 2. he is known to work in the field of nuclear physics. 3. for the student to solve this problem was very easy. 4. the new method appeared to be very complex. 5. it is necessary for the reaction to be accelerated. прочитайте, перепишите и переведите предложения содержащие союзы "if", "unless" на язык. 1. if ir is cooled sufficiently, it can be converted into a liquid. 2. gases are characterized by extreme lightness unless they are highly compressed.

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