Тест на тему физика и природа

Инструкция: Выберите один правильный вариант ответа для каждого вопроса.

1. I ___ TV when my friend called. A) watched B) was watching C) is watching D) have watched

2. Yesterday, Peter ___ a new song all day. A) sang B) was singing C) is singing D) has sung

3. She ___ dinner when the power cut. A) cooked B) was cooking C) cooks D) has cooked

4. At 8 o'clock last night, we ___ dinner. A) had B) was having C) are having D) have had

5. What ___ were you doing when the accident happened? A) did you do B) were you doing C) you do D) are you doing

6. Yesterday at 7 pm, I ___ dinner. A) had B) was having C) am having D) have had

7. I ___ my homework when you called. A) did B) was doing C) am doing D) have done

8. She ___ to music when I saw her. A) listened B) was listening C) listens D) has listened

9. Last weekend, we ___ a film when the power went out. A) watched B) were watching C) watches D) watching

10. While I ___ breakfast, the phone rang. A) ate B) was eating C) eat D) have eaten

11. They ___ TV when the lights went out. A) watched B) were watching C) watches D) watching

12. When I arrived, they ___ in the garden. A) sat B) were sitting C) sits D) have sat

13. He ___ basketball all afternoon yesterday. A) played B) was playing C) plays D) has played

14. The sun ___ when the birds started singing. A) shone B) was shining C) shines D) has shone

15. She ___ in the bookstore when I saw her. A) stood B) was standing C) stands D) has stood

16. Yesterday I ___ to the gym when it started to rain. A) walked B) was walking C) walk D) have walked

17. At 6 o'clock yesterday, we ___ soccer. A) played B) are playing C) were playing D) have played

18. He ___ the letter when the doorbell rang. A) read B) was reading C) reads D) has read

19. They ___ a film when the power cut off. A) watched B) were watching C) watches D) watching

20. When the teacher came, the students ___ their homework. A) did B) were doing C) do D) have done

Тест по математике на тему "Синус, косинус произвольного угла"

Класс: 10

Вопросы

1. Синус угла равен отношению противолежащей стороны к __________ .

   • Ответ: гипотенузе

2. Косинус угла равен отношению прилежащей стороны к __________ .

   • Ответ: гипотенузе

3. Значение синуса угла 90 градусов равно __________ .

   • Ответ: 1

4. Значение косинуса угла 0 градусов равно __________ .

   • Ответ: 1

5. Синус угла в 30 градусов равен __________ .

   • Ответ: 1/2

6. Косинус угла в 60 градусов равен __________ .

   • Ответ: 1/2

7. Формула для вычисления синуса суммы двух углов выглядит как __________ .

   • Ответ: sin(A + B) = sin(A)cos(B) + cos(A)sin(B)

8. Формула для вычисления косинуса разности двух углов выглядит как __________ .

   • Ответ: cos(A - B) = cos(A)cos(B) + sin(A)sin(B)

9. В тригонометрической окружности синус угла соответствует __________ координате точки на окружности.

   • Ответ: y

10. В тригонометрической окружности косинус угла соответствует __________ координате точки на окружности.

• Ответ: x

Ответы на тест

1. гипотенузе
2. гипотенузе
3. 1
4. 1
5. 1/2
6. 1/2
7. sin(A + B) = sin(A)cos(B) + cos(A)sin(B)
8. cos(A - B) = cos(A)cos(B) + sin(A)sin(B)
9. y
10. x

Тест готов! Удачи ученикам в подготовке!