Translate the sentences with emphatic construction: 1. it was mendeleyev who established the periodic table of elements. 2. it is our country that launched the first man into outer space. 3. it was at the end of the 19-th century when scientists discovered most of the chemical elements. 4. it is quality that every car maker strives for. 5. it is the force of attraction which holds the atoms together. 6. it was lomonosov who founded moscow university