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.
Positive sentences:
1.I do come to Paris at 7 o'clock
2.She does go to the lesson at 6 o'clock
3.The train will do leave in the morning at 5 o'clock
4.My departure do be on Monday
5.Our holiday do finish in a month
6.New first night film do begin this Saturday
Negative sentences:
1. I don't come to Paris at 7 o'clock
2.She doesn't go to the lesson at 6 o'clock
3.The train will doesn't leave in the morning at 6 o'clock
4.My departure don't be on Monday
5.Our holiday don't finish in a month
6.New first night film don't begin this Saturday