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Ребята с английским языком. I. Translate the text.
The nature of electricity
The ancient Greeks knew that when a piece of amber is rubbed with wool or fur it achieves the power of attracting light objects. Later on the phenomenon was studied, and, the word electric, after the Greek word 'electron", meaning amber was used. Many scientists investigated electric phenomena, and during the nineteenth century many discoveries about the nature of electricity, and of magnetism, which is closely related to electricity, were made. It was found that if a sealing-wax rod is rubbed with a woolen cloth, and, a rod of glass is rubbed with a silken cloth; an electric spark will pass between the sealing-wax rod and the glass rod when they are brought near one another. Moreover, it was found that a force of attraction operates between them. An electrified sealing-wax is repelled, however, by a wax rod, and also an electrified glass rod is repelled, by a similar glass rod.
The ideas were developed that there are two kinds of electricity, which were called resinous electricity, and that opposite kinds of electricity attract one another, whereas similar kinds repel one another.

II. Write out from the text the sentences with verbs in the form of the Participle or the Gerund or the Subjunctive mood.

III. Answer the following questions:
1. When was found electric phenomena?
2. What does a force of attraction mean?
3. What kinds of electricity are there?

IV. Supply some, any, no, where required
1. ... pupils went to the river, ... to the woods. 2. ... of my friends live in Moscow. 3. ...Have you ... English dictionaries? 4. Is there ... ink in the inkstand? Yes, there is... 5. Bring ...chalk, please. 6. There is ... chalk in the box. 7. Is there ... milk in the jug? Yes, there is

V. Fill in blanks with the Past Progressive or the Past Simple Tense of the verbs in margin.
1. We ... to a lecture yesterday at ten o'clock. listen
2. She ... the piano from 11 till 12 o'clock. play
3. When he ... in, I ... my exercises. come, do
4. What ... you yesterday at 8 o'clock? do
5. Yesterday when I ... the newspaper, my sister ... to a concert over the radio. read, listen
6. She ... out of the window when I ... her. look, see
7. I ... along the street with my friend when the car ... by. walk

VI. Choose the correct variant
1. Before you , don't forget to lock the door.
-are leaving -will leave -leave -shall leave
2. Please do not speak to anyone before the police .
-come -are coming -’ll come, came
3. His parents will be very glad if she the university.
-enter -’ll enter - enters - entered
4. When you my brother, you him.
-'ll see; - won't recognize; - see won't recognize; -saw, recognize; -'ll see, don't recognize
5. We won't discuss the matter until the headmaster .
-'ll arrive - won’t arrive - doesn’t arrive- -arrives

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Наташа12Няша
Наташа12Няша
4,4(21 оценок)
The man standing near the captain is their new coach. do you know the name of the woman talking to mrs black? the sea washing norway in the southwest is called the north sea. the girl looked at the plane disappearing in the clouds. having arrived at the hotel mr parker went to his room at once. he stood at the window admiring the scenery. having said “good-bye” to everybody the young man left the room. not knowing his telephone number i wasn’t able to ring him up. not being well that day mr james didn’t speak at the round table discussion. having heard the news they phoned home.

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