2 Study the key phrases. Which phrases introduce new paragraphs? Complete the phrases with your own ideas. KEY PHRASES O Writing an email I'm writing because This photo shows I think there are possibly (two) reasons for this. Firstly / Secondly, We must do something about
V. Замените существительные и местоимения в скобках местоимениями в соответствующем падеже. 1. He is my best friend, but I haven’t seen him for ages. 2. I met them at the airport.They were going to Berlin. 3. She has bought it. It is of red colour. She likes its (the car) very much. 4. you must post your letter as soon as possible. 5. we had a nice holiday last year. our friends invited us to their place. 6. he didn’t come to work yesterday. What happened to him ? – His son got ill.
Archimedes. Why in the first place was the ancient Greek scientist? First of all, because he is one of the greatest mathematicians of all times, close he came to the calculation of the number of "PI". Today all students and students of the daily study and enjoy the discoveries of the Greek. Also Archimedes was famous for the invention of many useful machines. Among these are the siege guns, and mirrors, поджигающие sails on the Roman ships by focusing sunlight. Archimedes made the first theorist of mechanics. For example, he presented the complete theory of the lever, applying it in practice. Also, scientists have developed a Archimedes screw (screw), with the help of which вычерпывается water and the present day. The primacy of the inventor of merit - all of it was opened more than two thousand years ago, when there were no computers, no technology available today, the inventors. Archimedes, perhaps, he studied in the libraries of Alexandria, but most of his knowledge was acquired independently.