Предмет: Химия, автор: vikasamolлол

Классифицируйте следующие соединения на органические и неорганические: метан СН4, оксид углерода (IV) СО2, сероуглерод CS2, хлорметан СН3С1, дихлорметан СН2С12, трихлорметан СНС13, тетрахлоруглерод СС14, карбид алюминия А14С3.

Ответы

Автор ответа: Пердыщенко
0
органические: метан, хлорметан, дихлорметан, трихлорметан.
Неорганические:Диоксид углерода(оксид углерода 4), сероуглерод, карбид алюминия
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Предмет: Английский язык, автор: mashadeykun79

Simple Present Tenses
Choose the correct verb from the list below to complete the following sentences. Use the correct form of the simple present tense.

Fix, stand, speak, drink, eat, do, wear, have, wash, make, listen, buy, take, watch, brush.

1. I ——— breakfast at 7:00 every morning.
2. He always ——— a suit to work.
3. The teacher ——— at the front of the classroom.
4. He ——— his teeth three times a day.
5. We usually ——— our groceries the weekend.
6. He ——— a meeting every morning.
7. She often ——— chicken for dinner.
8. They ——— the bus to school everyday.
9. We often ——— television in the evenings.
10. He ——— to the radio on his way to work.
11. The teacher ——— three languages.
12. A mechanic ——— cars.
13. She ——— the dishes after dinner.
14. They ——— coffee every morning.

Speak, know, go, need, want, drink, love, be, move, smoke, wear, sell, have, get up, serve.

1. I ——— any dinner because I am not hungry.
2. Jerry and Beth are strangers. They ——— each other.
3. We ——— to school on the weekend.
4. Mrs. Smith wants a divorce. She her husband anymore.
5. Turtles ——— quickly.
6. Children ——— coffee.
7. You ——— jeans to a wedding.
8. Poor people ——— a lot of money.
9. It’s warm today. You ——— to wear a coat.
10. Jessica is very healthy. She ——— cigarettes.
11. The students are from China. They ——— English.
12. The shoe store ——— hats.
13. That restaurant ——— breakfast.
14. The children ——— early on the weekend.
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