Some ways to keep fit 1) the first rule how to keep fit it is eat only healthy products and forget about crisps , fry potato , pastry , sweets and other unhealthy food 2) the second rule it is make a lot of exercises and go to the fitness centre. 3) and the third rule it is never give up and think about positive things .
Метод наблюдения - самый доступный и распространенный, требует усидчивости и внимательности. Эксперимент - еще один научный метод, использующийся при изучении природы. Проводя опыты с моделированием каких-либо условий среды и наблюдая за объектами эксперимента, за их поведением в данных условиях, можно узнать об их свойствах и закономерностях развития и поведения. Также часто используется метод измерения, чтобы установить размеры и массу различных существ и растений, а также чтобы узнать численность популяции каких-либо животных.
1. After four years of elementary school, she went to high school.2.Obuchenie in primary and secondary schools lasts eleven years 3. The school year lasts nine months4. The nine-year education is compulsory for all5. Compulsory education in England begins with five years6. When children turn seven, they go to junior school, which ends at eleven.7. If children go to grammar school, they get a good high school education8. The main subjects in the English school - English, mathematics, biology and chemistry.9. British schoolchildren wear uniforms10. Boys and girls in private English schools do not learn togethers
1) the first rule how to keep fit it is eat only healthy products and forget about crisps , fry potato , pastry , sweets and other unhealthy food
2) the second rule it is make a lot of exercises and go to the fitness centre.
3) and the third rule it is never give up and think about positive things .