Тест на тему Одночлены

1. Основанием двоичной системы счисления является число ___.
2. В двоичной системе счисления используются цифры 0 и ___.
3. Самый правый разряд двоичного числа имеет вес \(2^{___}\).
4. Восемь двоичных разрядов образуют один ___.
5. Один двоичный разряд называется ___.
6. Десятичное число 5 в двоичной системе записывается как ___₂.
7. Двоичное число 1101₂ в десятичной системе равно ___.
8. В двоичном числе 10000₂ единица имеет вес \(2^{___}\).
9. При переводе двоичного числа в десятичное складывают веса разрядов, содержащих цифру ___.
10. Сумма \(1₂ + 1₂\) в двоичной системе равна ___₂.
11. Двоичное число, оканчивающееся цифрой ___, является чётным.
12. Десятичное число 15 в двоичной системе записывается как ___₂.

Ответы

1. 2
2. 1
3. 0
4. байт
5. бит
6. 101
7. 13
8. 4
9. 1
10. 10
11. 0
12. 1111

Вот тест по английскому языку на тему Present Continuous. Класс: 4. Тип вопросов — единственный выбор. Всего 15 вопросов. Формат ответа — варианты A, B, C, D. Без ответов.

1. Choose the correct sentence in Present Continuous. A) She is reading a book. B) She read a book. C) She reads a book. D) She will read a book.

2. Which sentence is in Present Continuous? A) They are playing soccer. B) They play soccer. C) They played soccer. D) They will play soccer.

3. Choose the correct negative form in Present Continuous. A) He isn't watching TV now. B) He isn't watch TV now. C) He not watching TV now. D) He not is watching TV now.

4. Choose the question in Present Continuous. A) Is she swimming now? B) Does she swim now? C) Is she swam now? D) She is swimming now?

5. Choose the correct sentence with the subject "They". A) They is studying English. B) They are studying English. C) They am studying English. D) They be studying English.

6. Choose the correct Present Continuous sentence with the subject "I". A) I am reading a book. B) I reading a book. C) I am read a book. D) I reads a book.

7. The dog is barking loudly. Which sentence is correct in Present Continuous? A) The dog is barking loudly. B) The dog barking loudly. C) The dog are barking loudly. D) The dog is bark loudly.

8. We (to play) football in the park. Which sentence is correct in Present Continuous? A) We are playing football in the park. B) We are play football in the park. C) We are played football in the park. D) We is playing football in the park.

9. What is John doing? Choose the correct question form in Present Continuous. A) What are John doing? B) What is John doing? C) What John is doing? D) What are John do?

10. She (to cook) dinner now. Which sentence is correct? A) She is cooking dinner now. B) She cooking dinner now. C) She are cooking dinner now. D) She is cook dinner now.

11. The kids are reading books. Which is a correct Present Continuous sentence? A) The kids are reading books. B) The kids read books. C) The kids are read books. D) The kids reading books.

12. Choose the sentence in Present Continuous negative. A) They are watching TV now. B) They aren't watching TV now. C) They watch TV now. D) They are watching TV yesterday.

13. We (to listen) to music. Which is correct in Present Continuous? A) We are listening to music. B) We listen to music. C) We are listen to music. D) We are listened to music.

14. He isn’t running in the park. Which option is correct Present Continuous negative? A) He isn't running in the park. B) He isn't run in the park. C) He not running in the park. D) He running in the park.

15. My mother (to wash) the dishes. Choose the correct Present Continuous sentence. A) My mother is washing the dishes. B) My mother wash the dishes. C) My mother washes the dishes. D) My mother is wash the dishes.

Тест по химии: Основные оксиды Класс: 8 Тип вопросов: Множественный выбор Количество вопросов: 10 Инструкция: Выберите один правильный вариант из A, B, C, D. Тест senza ответов.

1. Что такое основные оксиды? A) Оксиды неметаллов B) Оксиды металлов, образующие в воде щёлочи C) Оксиды неметаллов, образующие кислоты D) Оксиды, которые не реагируют с кислотами

2. Какой из следующих оксидов является основным? A) Na2O B) CO2 C) Al2O3 D) ZnO

3. Что произойдет при взаимодействии оксида натрия Na2O с водой? A) Na2O + H2O → 2 NaOH B) Na2O + H2O → Na2O2 + H2 C) Na2O + H2O → Na + NaOH D) Na2O просто растворится без реакции

4. Какая реакция с кислотой демонстрирует основность оксида? A) Na2O + 2 HCl → 2 NaCl + H2O B) Na2O + HCl → NaCl + H2 C) Na2O + HCl → NaClO + H2 D) Na2O + 2 HCl → NaCl2 + H2O

5. Какой оксид широко применяется в строительстве и образования извести при взаимодействии с водой? A) Na2O B) CaO C) MgO D) ZnO

6. Какой из перечисленных оксидов не является основным оксидом? A) Na2O B) CaO C) ZnO D) MgO

7. Что образуется при взаимодействии оксида магния MgO с водой? A) Mg(OH)2 B) MgO2 C) Mg D) H2

8. Как называется раствор гидроксида кальция в воде? A) соляная вода B) известковая вода C) сода D) уксусная вода

9. Какой признак относится к основным оксидам? A) реагируют с кислотами, образуя соли и воду B) образуют кислые растворы C) не реагируют с кислотами D) растворяются без химических преобразований

10. Выберите верное соответствие: какой оксид образует щёлочную жидкость при взаимодействии с водой? A) Na2O B) CO2 C) SO3 D) P2O5

Тест по английскому языку для 10 класса

Тема: Present Continuous, Present Simple, Present Perfect Continuous

Инструкции: Заполните пропуски правильными формами глаголов в Present Continuous, Present Simple или Present Perfect Continuous.

1. She usually ______ (go) to school by bus, but today she ______ (walk) because it's a nice day.

2. They ______ (study) for two hours every evening, but they ______ (not finish) their homework yet.

3. I often ______ (play) football on weekends, but this weekend I ______ (not play) because I am busy.

4. My brother ______ (not like) spinach, but he ______ (try) to eat healthier lately.

5. Right now, we ______ (watch) a documentary about climate change, and it’s very interesting.

6. I ______ (learn) English for five years, and I still ______ (work) on improving my speaking skills.

7. She always ______ (help) her grandmother with shopping, but she ______ (not do) it this week because she is out of town.

8. They ______ (talk) on the phone for three hours now, and it seems like they are enjoying it.

9. He ______ (not finish) his book yet, so he ______ (return) it to the library next week.

10. Right now, I ______ (feel) a bit tired because I ______ (study) all day for the exam tomorrow.

Ответы:

1. goes / is walking
2. study / have not finished
3. play / am not playing
4. does not like / has been trying
5. are watching
6. have been learning / am still working
7. helps / is not doing
8. have been talking
9. has not finished / will return
10. am feeling / have been studying

Удачи на тесте!