I. перепишите следующие предложения. определите по грамматическим
признакам, какой частью речи являются слова, оформленные окончанием –s и
какую функцию это окончание выполняет, то есть служит ли оно:
а) показателем 3-его лица единственного числа глагола в простом
настоящем времени (present simple)
б) признаком множественного числа имени существительного
в) показателем притяжательного падежа имени существительного.
переведите предложения на язык.
1 the fuel system of spark ignition engines differs from the diesel fuel system
of compression ignition engines.
2 the cooling system not only reduces temperature, it also controls the
temperature as excessive cooling is undesirable.
3 james watt's early interest in steam arose from experience in repairing a
model steam engine in 1764

1. Yes, I have been in the zoo. 2. I really like it, because I like different animals. 

3. Zoo is a place where different animals and birds are kept. Zoo is a great attraction for children. Last Sunday I went to see the zoo with my parents. It is situated in Saint Petersburg. We bought the tickets and went inside. Many people had already come to see the animals and birds. First of all, we saw a lion. It was grand and royal. Then we saw some tigers. Then we went to see leopards, elephants, bears and foxes. Then we went to see the monkeys and some birds. The monkeys were jumping from one branch of the tree to another. Some monkeys were eating bananas. The birds in the zoo were very beautiful. I was very happy to see the birds. I saw some birds for the first time. Then we moved to a tank. It was full of crocodiles. We also saw some other water birds like ducks and cranes. We then saw snakes such as pythons and cobras. We spent six hours in the zoo and then came back. We enjoyed a lot in the zoo.

My favourite domestic animal is a kitten. Its name is Chapa. My kitten is very fat and kind. Its head isn’t big. Its neck is short. Its paws are small with big clutches. Its  eyes are green and clever. Its ears are small.  My kitten likes milk and chicken. Most of all Chapa likes to sleep and to play. It's very funny and playful. We play every evening.  I like my kitten very much. I think cats are very careful and clever.    
Мое любимое домашнее животное – котенок. Его зовут Чапа. Мой котенок  очень толстый и добрый. У него небольшая голова. Его шея короткая. Его лапы маленькие с большими когтями. Его глаза зеленые и умные. Его ушки маленькие. Мой котенок  любит молоко и  цыплят. Больше всего Чапа любит спать и играть. Он очень смешной и игривый. Мы играем каждый вечер. Я очень люблю моего котенка. Я думаю, коты очень аккуратные и умные