класс английский Skyeng. Challenge: question tags 8B/
Complete the sentences with the appropriate words.

We live in a world where people are always in a hurry and don’t have enough time to eat healthy. Eating in a hurry can be harmful for the body. Buying every desired product is also risky. There are lots of products today which are genetically modified. It means that they weren’t grown in their natural environment and conditions. If we want to follow a healthy diet, we should avoid such products. Eating healthy is very important for every person. Wise people say, “Health is above wealth”. And, indeed, what can we do properly if we don’t eat. It is our natural source of energy, so it’s better to chose it carefully. For example, our body needs more vitamins and minerals but it doesn’t need much cholesterol. That’s why, it’s better to avoid using fat-containing products. We also need less sodium, which is found in salt and less sugar. I now try to eat less sweets and cakes. First of all, it can make me overweight. Secondly, it’s not good for health. Eating lots of vegetables and fruit is healthy. Other healthy and nutritious products include fish, seafood, whole grains, fat-free or low-fat milk products, lean meat, eggs, beans, seeds and nuts. However, a lot depends on every person’s body and its needs. For example, some people are highly allergic to nuts. In this case they need to cut this product out of their daily diet. Another problem is the increasing number of fast-food chains. People want to eat quickly but they don’t realize that fast-food is unhealthy. The regime of eating is also important. It means we need to eat at certain hours during the day. For example, breakfast at 8 am, lunch at 1 pm, snack at 4 pm and dinner at 6 pm. Along with eating healthy, we should try to keep fit by doing exercise, cycling, spending less time in front of the TV and not smoking.

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Television (1920s)
The invention that swept the world and changed leisure habits for countless millions was pioneered by Scottish-born electrical engineer John Logie Baird. It had been realised for some time that light could be converted into electrical impulses, making it possible to transmit such impulses over a distance and then reconvert them into light.

Motor Car (Late 19th Century)
With television, the car is probably the most widely used and most useful of all leisure-inspired inventions. German engineer Karl Benz produced the first petroldriven car in 1885 and the British motor industry started in 1896. Henry Ford was the first to use assembly line production for his Model Т car in 1908. Like them or hate them, cars have given people great freedom of travel.

Electricity
The name came from the Greek word for amber and was coined by Elizabeth I's physician William Gilbert who was among those who noticed that amber had the power to attract light objects after being rubbed. In the 19th century such great names as Michael Faraday, Humphry Davy, Alessandro Volta and Andre Marie Ampere all did vital work on electricity.

Photography (Early 19th Century)
Leonardo da Vinci had described the camera obscura photographic principle as early as 1515. But it was not until 1835 that Frenchman Louis Daguerre produced camera photography. The system was gradually refined over the years, to the joy of happy snappers and the despair of those who had to wade through friends' endless holiday pictures.

Telephone (1876)
Edinburgh-born scientist Alexander Graham Bell patented his invention of the telephone in 1876. The following year, the great American inventor Thomas Edison produced the first working telephone. With telephones soon becoming rapidly available, the days of letter-writing became numbered.

Computer (20th Century)
The computer has been another life-transforming invention. British mathematician Charles Babbage designed a form of computer in the mid-1830s, but it was not until more than a century later that theory was put into practice. Now, a whole generation has grown up with calculators, windows, icons, computer games and word processors, and the Internet and e-mail have transformed communication and information.

Aeroplane

The plane was the invention that helped shrink the world and brought distant lands within easy reach of ordinary people. The invention of the petrol engine made flight feasible and the American Wright brothers made the first flight in 1903.