3 Read the text again and, for questions 1-5, choose the correct answer (A, B, C Or D).
1 In the first paragraph, the writer says that
A) the number of apps available is increasing
B) only young people play games on their phones
С) you can only download apps made in your country
D) is difficult to do everyday tasks without an app.
2 The writer thinks that educational apps
A) can replace schools and univeisities.
B) help students to learn on their own
C) are only useful for university students.
D) can take the place of sthool teachers.
3 The writer suggests people often identify living things by
A) asking an expert
B) taking photos
C) checking reference books,
D) using Internet search engines.
4 The writer says that NASA
A) is tracking people using apps
B) allows you to follow a space station.
C) has apps that send you photographs.
D)lets you chat with its its astronauts
5 What is the writer's opinion of apps?
A) We need to be careful when we use them
B) They are best used for entertainment
C) We should try not to use them too much.
D) They can help in many aspects of our lives.

Ecology is a science, looking to the future. And it is based on the principle that the value of the future is not as important as the values of the present.
The term "ecology" has arisen within biology. Its author was Professor
University of Jena Ernst Haeckel (1866). Ecology was originally seen as part of biology that studies the interaction of living organisms, depending on the state of the environment. Later, in the West the concept of "ecosystem", and in the USSR, "biocenosis" and "biogeocoenosis' (introduced Academician VN Sukachev). It is almost identical.
In all cultures and all nations has always been there is a perception of the need to care for the environment. Some have more, others - less. But the fact that the land, rivers, forest and wild beasts is the intrinsic value, perhaps, the main value of which has
Nature, Man, I realized a long time. For a long time, the main practical problems of ecology boils down to protecting the environment. But in the 20th century, this traditional thrift, which began to fade under pressure is a developing industry, has proved inadequate. Degradation
Nature has become a threat to the life of society. This led to a special environmental laws. To humanity in all growth raises the problem of the survival of the world. Questionable future of our species. Humanity could face the fate of the dinosaurs. The only difference is that the disappearance of the former rulers of the Earth was caused by external factors, and we can die from the inability to use their power wisely. This problem is the central problem of modern science (though it may be, this is not all yet realized).
Solving problems of this magnitude is only available to humanity. This will require changes in the organization of the planetary community, in other words, a new civilization, the most important adjustment - those value systems that are approved for centuries.

I like many actreses.But i like to compare two my favourite actresses.Natalya Krachkovskaya and Andzelina Dzoli. To me, Andzelina is more beautiful, than Natalya. And only few people can disagree with me. I think Anzelina is more taller than Natalya. But i do not want to insult Natalya. I must be at least a little bit of a patriot. We must not forget that she is  Russian actress. She has many good quality, that Anzelina did not have. For example. Natalya is more kind than Anzelina. Natalya plays in the theater. Anzelina can not plays in the theatre. And many many more. I called the most important