Грамматика для написания научных статей

4. Either the journalist or the witness know the truth about this mysterious event.

5. Elaborated will be in this paper the model of corrosive destruction of metals under lacquer-paint coatings.

6. The teacher asked the students if they knew the health effects of insecticides.

7. The premises of the library is cleaned every day.

8. Twenty dollars are not enough to buy this book.

9. Many mathematical symposiums are held in Europe every year.

10. Bile acids contains significant amounts of cholesterol.

11. This extremely interesting new Ukrainian historical novel has been favorably reviewed.

12. In no ease the work on the project will be terminated.

This + Summary Word

A good way to maintain flow is to use this/these + a noun to join ideas together, e.g.: English language instructors know that students need to understand the difference between formal and informal language. However, this understanding cannot usually be acquired quickly.

What does this understanding refer to?

Task 6.

Complete the following.

1. According to a recent survey, 26% of all American adults, down from 38% thirty years ago, now smoke. This ___________ can be partly attributed to the mounting evidence linking smoking and cancer.

a) decline; b) reduction; c) improvement; d) decrease; e) drop

2. Early in September each year, the population of Ann Arbor, Michigan [the town where the University of Michigan is located], suddenly increases by about 20,000 as students arrive for the new academic year.

This _________ changes the character of the town in a number of ways.

a) influx; b) increase; c) invasion; d) rise; e) jump

3. Nowadays, laptop computers are lighter, more powerful, and easier to use than they were five years ago. These ________ have led to an increase in the sales of these machines.

a) changes; b) developments; c) advances; d) improvements

Task 7. Choose a summary word from the list to complete each sentence.

number amount improvement assurance trend risk fall drop support proposals increase measures

1. In the United States, the levels of harmful substances have fallen between 1978 and 1987. Despite this ______, the air is still contaminated.

2. Ozone levels in the USA have been steadily increasing from 1986 to 1990. Environmental Protection Agency (EPA) officials are concerned that if this _______ continues, serious environmental damage may occur.

3.