Предмет: Химия, автор: ndnsjdbdbej

Люди, дайте название
h3c-ch(ch3)-ch2-c≡c-ch2-ch3

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Автор ответа: daccaeononellse
1

Ответ:

6-метилгептин-3

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Предмет: Английский язык, автор: Fewer23
In a Small Town
Read the Text
Toscanini was a great musician. He lived in America. One day he came to a very little town. He was walking along the street when he saw a piece of paper in one of the windows. He read:
MRS.SMITH.MUSIC LESSONS.
TWO DOLLARS A LESSON.
Then Toscanini heard the music. Somebody was playing Tchaikovsky.
“Mrs. Smith is playing,” he thought, “she isn’t a very good musician. She doesn’t play Tchaikovsky well. I must show her how to play it.”
He went up to the door of the house and rang. The music stopped and soon a woman opened the door.
“Are you Mrs. Smith?” asked Toscanini. “My name is Toscanini and I want to show you how to play Tchaikovsky.”
Mrs. Smith was very glad to meet the great musician. She asked him to come in. Toscanini played Tchaikovsky for her and went away.
A year later Toscanini visited the same town again. When he went up to the house where he had played Tchaikovsky the year before he again saw a piece of paper. Now it read.
MRS.SMITH. (TOSCANINI’S PUPIL)
MUSIC LESSONS.
FOUR DOLLARS A LESSON.
1. Put “+” if the sentence is right and “-“if it is wrong.
1. Toscanini came to a very little town.
2. He liked how Mrs. Smith was playing.
3. He wanted to play the piano for her.
4. Tchaikovsky visited Mrs. Smith one day.
5. Mrs. Smith was a teacher of music.
2. Write the sentences in the right order.
1. Mrs. Smith was very glad to meet the great musician.
2. He lived in America.
3. The music stopped and soon a woman opened the door.
4. The music stopped and soon a woman opened the door.
5. “Mrs. Smith is playing,” he thought, “she isn’t a very good musician.
3. Answer the questions.
1. Where did Toscanini live?
2. Toscanini was a great musician, wasn’t he?
3. Did he want to show Mrs. Smith how to play?
4. What did he see in one of the window?
5. Did he think that Mrs. Smith was playing well?
4. Write down the ending of the sentence.
1. One day he came…
2. I must show her…
3. The music stopped and soon…
4. Toscanini played Tchaikovsky for …
5. Four dollars…
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Запиши в виде выражения:
стоимость 3 кг груш

(без пропусков между буквами, числами и знаками действий. Для записи действия умножения используй символ *. В арифметическом действии на первом месте пиши число. Переменные записывай латинскими буквами.)

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