Инструкция: Выберите одну правильную опцию для каждого предложения. Это тест по теме Present Tenses (Present Simple, Present Continuous, Present Perfect, Present Perfect Continuous) для 8 класса. Ответы не приводятся здесь.

1. She usually ... to work by bus. A) go B) goes C) going D) went

2. Look! The kids ... TV. A) watches B) are watching C) watch D) watched

3. I ... coffee in the mornings. A) drink B) drinks C) drinking D) drank

4. They ... already finished their homework. A) has finished B) have finished C) having finished D) finished

5. They ... since 9 o'clock. A) have waited B) waiting C) have been waiting D) is waiting

6. The sun ... in the east. A) rise B) rises C) is rising D) rising

7. We ... a movie tonight. A) watch B) are watching C) watches D) watched

8. She ... already finished her meal. A) has B) have C) having D) had

9. He ... waiting for two hours. A) has waited B) has been waiting C) waiting D) is waiting

10. They ... live in Canada. A) don't B) doesn't C) aren't D) isn't

11. I ... my keys. I can't find them. A) am losing B) have lost C) lost D) was losing

12. She ... TV every evening. A) watch B) watches C) watching D) watched

13. We have known him ... 2005. A) since B) for C) during D) by

14. He ... in this company for five years. A) works B) has worked C) worked D) is working

15. Right now, she ... a book. A) reads B) is reading C) read D) reading

16. Water ... boils at 100 degrees Celsius. A) boil B) boils C) boiling D) boiled

17. She ... to Paris twice. A) has been B) has gone C) went D) goes

18. They ... football for two hours. A) have played B) have been playing C) played D) playing

19. He always ... to music while working. A) listen B) listens C) listening D) listened

20. We ... English for five years. A) studied B) study C) have studied D) are studying

Тест по алгебре для 8 класса на тему "Решение числовых неравенств"

Вопрос 1: Решите неравенство (3x - 5 < 7). Какое значение (x) удовлетворяет этому неравенству?

• A) (x < 4)
• B) (x > 4)
• C) (x < 2)
• D) (x > 2)

Правильный ответ: B) (x > 4)

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Вопрос 2: Найдите решение неравенства (2(x + 3) \geq 4x - 6).

• A) (x \leq 3)
• B) (x \geq 3)
• C) (x \leq 0)
• D) (x \geq 0)

Правильный ответ: B) (x \geq 3)

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Вопрос 3: Решите неравенство (-2x + 1 > 3). Какое значение (x) удовлетворяет этому неравенству?

• A) (x < -1)
• B) (x > -1)
• C) (x < 2)
• D) (x > 2)

Правильный ответ: A) (x < -1)

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Вопрос 4: Найдите область допустимых значений для неравенства (x^2 - 4 < 0).

• A) (x \in (-2, 2))
• B) (x \in (-\infty, -2) \cup (2, +\infty))
• C) (x \in [2, -2])
• D) (x \in (-2, +2))

Правильный ответ: A) (x \in (-2, 2))

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Вопрос 5: Решите неравенство (5 - x \leq 2x + 1).

• A) (x \leq 4/3)
• B) (x \geq 4/3)
• C) (x \leq 2/5)
• D) (x \geq 2/5)

Правильный ответ: A) (x \leq 4/3)

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Эти вопросы помогут ученикам лучше разобраться с решением числовых неравенств, а также подготовиться к экзаменам на тему алгебры.