Тест на тему Живая и неживая природа — единое целое; биология — система наук о живой природе

Тест по английскому языку — 5 класс Тип вопросов: единичный выбор (один правильный ответ) Всего вопросов: 25 Темы: present simple, present continuous, past simple, past continuous, present perfect, future simple Инструкция: выберите один вариант ответа для каждого вопроса. Ответы не приводятся в тесте.

1. My sister _____ in a hospital. A) works B) is working C) worked D) will work

2. Look! The children ____ TV. A) watch B) are watching C) watched D) will watch

3. Last year we ____ to Paris. A) go B) going C) went D) goes

4. At 8 o'clock yesterday, I ____ a book. A) read B) was reading C) reads D) will read

5. They ____ in this town for five years. A) lived B) are living C) have lived D) will live

6. Every morning she ____ coffee. A) drink B) drinks C) drank D) is drinking

7. I ____ breakfast at 7:00. A) has B) have C) having D) had

8. She ____ just arrived. A) has arrived B) had arrived C) will arrive D) has been arriving

9. Yesterday, he ____ a letter. A) writes B) wrote C) is writing D) will write

10. Tomorrow we ____ a trip. A) take B) took C) will take D) are taking

11. Right now, my father ____ the car. A) fixes B) is fixing C) fixed D) will fix

12. Yesterday, we ____ a movie. A) watch B) watched C) are watching D) will watch

13. Last weekend, they ____ a new bicycle. A) buy B) buys C) bought D) buying

14. At 9 p.m., I ____ my homework. A) do B) did C) was doing D) have done

15. She ____ a lot of books this year. A) reads B) read C) has read D) is reading

16. James ____ to school by bus. A) go B) goes C) going D) went

17. Next week, they ____ to the science museum. A) go B) are going C) will go D) going

18. Right now, we ____ in the garden. A) played B) playing C) are playing D) have played

19. Have you ever ____ to Canada? A) been B) go C) gone D) going

20. I think he ____ a new phone. A) buys B) buy C) will buy D) is buying

21. My friends ____ basketball after school. A) plays B) play C) played D) will play

22. Look, the birds ____ in the sky. A) fly B) are flying C) flew D) will fly

23. At this time yesterday, I ____ a sandwich. A) was eating B) ate C) eats D) will eat

24. She ____ in three languages. A) speaks B) spoke C) has spoken D) is speaking

25. Tomorrow, we ____ a party. A) have B) had C) will have D) are having

Ниже представлен тест по английскому языку на тему Mixed Tenses для 8 класса. Тип вопросов: множественный выбор. Всего 20 вопросов. В конце — ответы.

Инструкция: выберите один правильный вариант ответа для каждого вопроса.

1. She usually ... to school by bus.

• A) goes
• B) go
• C) went
• D) is going

2. Look! The baby ....

• A) sleeps
• B) is sleeping
• C) slept
• D) will sleep

3. They ... to Paris last summer.

• A) goes
• B) went
• C) have gone
• D) are going

4. I have ... my keys. I can't find them.

• A) lost
• B) lose
• C) catching
• D) have lost

5. She ... in London since 2010.

• A) live
• B) lives
• C) has lived
• D) lived

6. When I called, he ... to music.

• A) listens
• B) was listening
• C) listened
• D) has listened

7. By next year, I ... the book.

• A) finish
• B) finishes
• C) have finished
• D) will have finished

8. She ... coffee when the phone rang.

• A) drinks
• B) drank
• C) was drinking
• D) has drunk

9. They ... for two hours.

• A) study
• B) are studying
• C) have been studying
• D) studied

10. We ... dinner when the guests arrived.

• A) are having
• B) have had
• C) were having
• D) had

11. He ... to finish the project yesterday.

• A) tries
• B) tried
• C) has tried
• D) was trying

12. I think they ... to the party.

• A) come
• B) came
• C) will come
• D) have come

13. She ... the movie yet.

• A) doesn't see
• B) hasn't seen
• C) didn't see
• D) won't see

14. I ... in this city for five years.

• A) live
• B) lived
• C) am living
• D) have lived

15. By the time he arrives, we ... dinner.

• A) eat
• B) have eaten
• C) will have eaten
• D) will eat

16. He ... lately.

• A) works
• B) is working
• C) has worked
• D) has been working

17. They ... when the fire alarm rang.

• A) cook
• B) cooked
• C) were cooking
• D) have cooked

18. If it rains tomorrow, we ... indoors.

• A) stay indoors
• B) are staying indoors
• C) stayed indoors
• D) will stay indoors

19. She ... the letter before she left.

• A) writes
• B) wrote
• C) had written
• D) has written

20. I am sure he ... again.

• A) comes
• B) came
• C) will come
• D) has come

Ответы: 1A, 2B, 3B, 4D, 5C, 6B, 7D, 8C, 9C, 10C, 11B, 12C, 13B, 14D, 15C, 16D, 17C, 18D, 19C, 20C

Тест по химии для 8 класса

Тема: Окислительно-восстановительные реакции

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Вопрос 1: Какое вещество является окислителем в реакции, если Fe²⁺ превращается в Fe³⁺?
A) Fe²⁺
B) Fe³⁺
C) O₂
D) H₂O

Ответ: B) Fe³⁺

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Вопрос 2: В каком уравнении реакции происходит восстановление?
A) 2H₂ + O₂ → 2H₂O
B) 2Ag⁺ + Cu → 2Ag + Cu²⁺
C) C + O₂ → CO₂
D) Zn²⁺ + 2e⁻ → Zn

Ответ: D) Zn²⁺ + 2e⁻ → Zn

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Вопрос 3: Какой элемент в реакции 2Na + Cl₂ → 2NaCl является восстановителем?
A) Na
B) Cl₂
C) NaCl
D) O₂

Ответ: A) Na

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Вопрос 4: В каком из следующих процессов происходит окисление?
A) 2H₂ + O₂ → 2H₂O
B) Cu²⁺ + 2e⁻ → Cu
C) 2Fe³⁺ + 2e⁻ → 2Fe²⁺
D) 4NH₃ + 5O₂ → 4NO + 6H₂O

Ответ: D) 4NH₃ + 5O₂ → 4NO + 6H₂O

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Вопрос 5: Какое из следующих соединений является восстановителем?
A) H₂O
B) O₂
C) H₂
D) NaCl

Ответ: C) H₂

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Вопрос 6: При каком из следующих условий происходит окислительно-восстановительная реакция?
A) Реакция между кислотой и основанием
B) Реакция нейтрализации
C) Реакция горения
D) Реакция экстракции

Ответ: C) Реакция горения

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Вопрос 7: Что произойдет с ионом хлора (Cl⁻) в реакции с окислителем?
A) Он будет окислен
B) Он будет восстановлен
C) Он не изменится
D) Он разложится

Ответ: A) Он будет окислен

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Вопрос 8: В реакции 2K + Cl₂ → 2KCl, какое вещество является окислителем?
A) K
B) Cl₂
C) KCl
D) O₂

Ответ: B) Cl₂

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Вопрос 9: Какой процесс описывает окисление в атомах металлов?
A) Потеря электронов
B) Приобретение электронов
C) Нейтрализация
D) Осаждение

Ответ: A) Потеря электронов

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Вопрос 10: Какой из следующих элементов может действовать как окислитель?
A) Li
B) Na
C) Cl
D) K

Ответ: C) Cl

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