Exercise 1.7. decide which of the following nouns are countable (исчисляемые) or uncountable (неисчисляемые): time, water, machine, music, snow, word, coffee, money, idea, family, darkness, knowledge, sea hour. tree, silver, meat, happiness, information, speed, book, news, house, friend, milk, student, pen, paper, clothes picture, air, goods.

Uncountable :time water idea hapiness news information speed milk air

Exercise 1.7 is about determining whether the nouns given are countable or uncountable. Countable nouns are those that can be counted and have a plural form, while uncountable nouns cannot be counted and do not have a plural form. Let's go through each noun one by one:

1. Time: Uncountable. Time cannot be counted, as it is continuous and cannot be divided into separate units.

2. Water: Uncountable. Water is also continuous and cannot be divided into separate units.

3. Machine: Countable. Machines can be counted and have a plural form. For example, "machines" refers to more than one machine.

4. Music: Uncountable. Music is continuous and cannot be divided into separate units.

5. Snow: Uncountable. Snow is also continuous and cannot be divided into separate units.

6. Word: Countable. Words can be counted and have a plural form. For example, "words" refers to more than one word.

7. Coffee: Uncountable. Coffee is continuous and cannot be divided into separate units.

8. Money: Uncountable. Money is also continuous and cannot be divided into separate units.

9. Idea: Countable. Ideas can be counted and have a plural form. For example, "ideas" refers to more than one idea.

10. Family: Countable. Families can be counted and have a plural form. For example, "families" refers to more than one family.

11. Darkness: Uncountable. Darkness is continuous and cannot be divided into separate units.

12. Knowledge: Uncountable. Knowledge is also continuous and cannot be divided into separate units.

13. Sea: Countable. Seas can be counted and have a plural form. For example, "seas" refers to more than one sea.

14. Hour: Countable. Hours can be counted and have a plural form. For example, "hours" refers to more than one hour.

15. Tree: Countable. Trees can be counted and have a plural form. For example, "trees" refers to more than one tree.

16. Silver: Uncountable. Silver is continuous and cannot be divided into separate units.

17. Meat: Uncountable. Meat is also continuous and cannot be divided into separate units.

18. Happiness: Uncountable. Happiness is continuous and cannot be divided into separate units.

19. Information: Uncountable. Information is also continuous and cannot be divided into separate units.

20. Speed: Uncountable. Speed is continuous and cannot be divided into separate units.

21. Book: Countable. Books can be counted and have a plural form. For example, "books" refers to more than one book.

22. News: Uncountable. News is continuous and cannot be divided into separate units.

23. House: Countable. Houses can be counted and have a plural form. For example, "houses" refers to more than one house.

24. Friend: Countable. Friends can be counted and have a plural form. For example, "friends" refers to more than one friend.

25. Milk: Uncountable. Milk is continuous and cannot be divided into separate units.

26. Student: Countable. Students can be counted and have a plural form. For example, "students" refers to more than one student.

27. Pen: Countable. Pens can be counted and have a plural form. For example, "pens" refers to more than one pen.

28. Paper: Uncountable. Paper is continuous and cannot be divided into separate units.

29. Clothes: Uncountable. Clothes are continuous and cannot be divided into separate units.

30. Picture: Countable. Pictures can be counted and have a plural form. For example, "pictures" refers to more than one picture.

31. Air: Uncountable. Air is continuous and cannot be divided into separate units.

32. Goods: Uncountable. Goods are continuous and cannot be divided into separate units.

Remember, this exercise is to help understand the concept of countable and uncountable nouns, which will be important in determining the usage of articles (a, an, the) and quantifiers (some, any, much, many) in English.