I VIUNCUL SISIEI.
4 They discovered a big fish.
11 Thinking: Cover the story. Put the sentences in the right order.
cap
a Suddenly, something jumps from behind d He's a diver.
a big rock.
e They both scream.
b Nanny visits her sister on her birthday. 1 f They go for a walk on the beach.
c They find a big footprint inside the cave. g They walk into a big cave.​

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.

Условные конструкции нулевого типа

Zero Conditional (условное предложение нулевого типа) - условное предложение, передает общие истины, природные или научные факты, правила или часто повторяющиеся события, стали правилом. В таких предложениях союз подчиненности if (если) может быть заменен на when (когда).

В условных предложениях нулевого типа всегда используется Present Simple как в основном, так и в придаточном предложении.

Ice cream melts if we heat it. - Мороженое тает, если мы его нагреем.

If you do not water plants, they die. - Если ты не будешь поливать растения, они погибнут.

The ground gets wet when it rains. - Земля намокает, когда идет дождь.

When we mix blue and yellow, we get green. - Когда мы смешиваем синий и желтый, мы удерживаем зеленый.

Объяснение: