Study the key phrases. find similar phrases in the sentences
in exercise 4. which words are different in these phrases?
key phrases o time expressions
once a day today every tuesday
twice a month this morning on friday morning(s)
three times a week at five o'clock in the afternoon
75 ​

More and more people suffer from air and water pollution. Nature also suffers from land and nuclear pollution. Among them increasing number of cars in the streets, factory waste, millions of cut down trees, destroyed habitats of animals, contaminated rivers and seas. Fortunately, there are many ways to suspend these problems. If everybody starts caring about the planet we live on, many environmental problems can be solved. 
ПЕРЕВОД:
Все больше и больше людей страдают от загрязнения воздуха и воды . Природа также страдает от земли и химического загрязнения . Среди них увеличение количества автомобилей на улицах , промышленных отходов , миллионная вырубка деревьев , уничтожение места обитания животных , зараженных рек и морей . К счастью, есть много чтобы приостановить эти проблемы . Если все начнут заботиться о планете , на которой живем , многие экологические проблемы могут быть решены

A Job For TeenagersРабота для подростковModern teenagers keep up with the latest technology and trends. They want to have as many gadgets and various possessions as possible. Obviously, such things as mobile phones, computers, iPads, fashionable clothes, various accessories are not cheap. The manufacturers every year produce newer and improved products, so the prices never fall. That’s why most teenagers decide to find a job. Part-time jobs are the best solution for them, as they need to dedicate certain time to studying at school or college. Some teens work only at weekends or during holidays. Although the pay is low, it still covers some expenses, such as recreation, education and variety o additional courses, fashionable jeans, travel, latest models of digital novelties, etc. What kind of job is better for teens? Almost in every city you can see them distributing leaflets in the streets. Some of them work in food service as a kitchen assistant or waiter. Others work as promoters in shopping centers. Some teenagers work as shop assistants consulting on goods. In the era of technological progress there are lots of job opportunities online. Teenagers can process electronic data, work on the phone, answer e-mails as a secretary and do many other useful activities. Basically, everything depends on their desire to earn some extra cash. Today many companies use the services of youth to arranging a presentation of their produce. In this case young workers don’t only distribute leaflets with invitations, but also set the right atmosphere for the presentation and help in every possible way with the event. Usually, to get a job they need to provide a passport, a medical certificate and a written parental consent.