1. lena is a very good girl. she always helps her mother about the house. today she has been helping her mother since morning. she has already washed the floor and dusted the furniture.
он сдал выпускные экзамены на отлично. заводы санкт-петербурга производят автоматические механизмы подземным транспортом. наша промышленность быстро развивается.
Ответ дал: Гость
1. what is the english scientist famous for? 2. what was his first scientific discovery devoted to? 3. what layer did the scientist discover in two years? 4. why was edward appleton given an honourable title of a knight? 5. what branch of the science in nobel prize was appleton awarded?
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