2. Поставьте 5 вопросов ко всему содержанию текста

3. Употребите глагол-сказуемое в правильной форме

Childhood 1_____ (to be) a time of joy and innocence for most people: for others, life 2_____ (to turn) violent and so do they. Criminal acts of young persons 3_____ broadly ______ (to refer) to as juvenile delinquency. In some countries delinquency 4_____ (to include) conduct that is antisocial, dangerous, or harmful to the goals of society. The age at which juveniles legally 5_____ (to become) adults 6______ (to vary) from country to country, but it generally 7_____ (to range) from 15 to 18. Clearly the problem 8_____ (to skyrocket): for example, in 1990 rates of arrest in California for burglary, theft, car theft, arson and robbery 9_____ (to be) higher among juveniles than among adults. Sociological research 10_____ (to establish) such bases for predicting delinquent behaviour as the nature of a child's home environment, the quality of the child's neighbourhood, and behaviour in school. It 11_____ conclusively _____ (to prove), however, that delinquency can 12_____ either (to predict) or 13_____ (to prevent). It 14_____ (to be) far likelier that delinquency 15_____ (to be) an integral part of society and probably part of the maturation process that some children 16_____ (to go) through. For the majority of young offenders, delinquency 17_____ (to seem) to be a phase passed through on the way to adulthood. Delinquent acts 18_____ (to begin) at the age of 10 or 11. The most serious activities peak at 14 or 15 years and then 19_____ (to begin) to 20_____ (to decline) in the next several years.

4. Выберите правильный предлог

1. Long before all the good land can be brought (under, in, at, since, by) proper cultivation, the need for good will have increased greatly.

2. Actually, algae has been used (on, at, for, by, to) food for centuries.

3. The problem of creating a pleasant –tasting foods of algae can be solved by making the algae (from, in, for, into, to) a tasteless powder to be added to other foods.Another concentrated source (in, of, to, into, at) protein that could be used to feed the hungry millions is concentrated fish flour.(On, from, for, in, at) this reason, many people think that fish flour is an answer to the world’s increasing food needs.

4. Incaparina is made ( on, of, in, at, from) cottonseed, corn, and sorghum, all inexpensive foodstuffs.

5. Man has made great progress( in, at, from, for, by) developing solutions to his food needs.

6. You can be sure that as man’s need (to, from, since, for, at) new food grows, artificially created foods will become an important part of people’s diets.

7. The problems of taste and nutritional value have been partially solved (on, at, in, with, to) a process of pasteurization.

8. Food irradiated (on, for, in, by, under) this way retains its flavor and vitamins.