Тема инфинитив. переведите предложения 1 to master this speciality is very important. 2 to understand the data we must make several experiments. 3 to cut down the flow of water in the pipe you need only to shut off a valve. 4 to be a successful scientist one must possess certain characteristic qualities. 5 to work in this field of science was the task of the engineer. 6 what makes you think you are right? 7 i shall do all i can to help you. 8 the child was happy to have been brought home. 9 jane remembered to have been told a lot about mr. rochester. 10 the children were delighted to have been brought to the circus

Be in charge of -быть ответственным
experience - опыт
to be sociable - быть коммуникабельным
to work hard- усердно работать
to be able present yourself- уметь представить себя
have a talant -иметь талант
be polite- быть вежливым
take the initiative-проявлять инициативу

А1. He had revised the same things again and again, he wasn’t at all sure how … he would be. c) Successful
А2. It had been his decision to take this …, programming course. a) Optional
А3. He wanted to get a good mark as he had hopes of becoming a software … .b) designer
А4. The exam was particularly … as he knew his future career
might be at stake. b) Frightening
А5. He gave a little gasp of … .c) Disbelief
А6. One winter evening Lena and her brother Harry … video games while their mum and
dad were watching TV. d) Were playing
А7. The sky … by flashes of lightning and the thunder was deafening. b) Was lit up

Agriculture is a branch of the economy aimed at providing the population with food (food, food) and obtaining raw materials for a number of industries. The industry is one of the most important, represented in almost all countries of the world. World agriculture employs about 1 billion economically active population (EAN). The state's food security depends on the state of the industry. The problems of agriculture are directly or indirectly related to such sciences as agronomy, animal husbandry, land reclamation, crop production, forestry, etc.

The emergence of agriculture is associated with the so-called "Neolithic revolution" in the means of production, which began about 12 thousand years ago and led to the emergence of a producing economy and the subsequent development of civilization.

The leading countries in the production and consumption of agricultural products are the United States of America and members of the European Union. Agriculture is more important for humanity, as it helps a person to get vital food, for example, you can even take the fact that even in ancient times a person first engaged in agriculture and only then in the period of development he began to engage in industry.