Read the text.A MISTAKE.Mark Twain was very fond of traveling. He did a lot of traveling and never got tired of it. Once he was traveling in France by train. He was going to visit a small town near Paris.The previous day was very hard, Mark Twain was very tired and sleepy. He was afraid he would miss the town and asked the guard to wake him up before they got to the town.Soon he fell asleep. When he woke up, the train was in Paris. Mark Twain looked at his watch. It was half past nine. He got very angry. He couldn’t understand why the guard had not woken him up in time.He went out of the compartment, came up to the guard and asked him why he had not woken him up. The latter looked at Mark Twain for a moment and then told him: “You may be very angry with me, but not so angry as the American whom I put off the train instead of you.”to miss – пропускать, instead of – вместо, to put off – ссадить, compartment – купеRight or wrong.1. Mark Twain was very fond of music.2. He was going to visit a small town near London.3. The guard woke Mark Twain up at his station.4. Mark Twain was angry.5. The American was put off the train instead of Mark Twain.II. Answer the questions.1. Was Mark Twain very fond of traveling?2. What town was he going to visit?3. Mark Twain was very tired and sleepy, wasn’t he?III. Complete the sentences.1. Mark Twain was traveling in France by .2. Mark Twain couldn’t understand why the guard .3. When he woke up, .GRAMMAR.1. Choose the right variant.1. The English don’t shake hands when they meet, … ?a) do they b) don’t they c) aren’t they d) are they2. They try to be cheerful and good-tempered in difficult situations, …?a) do they b) don’t they c) are they d) aren’t they3. Many English people have fireplaces in their houses, … ?a) have they b) didn’t they c) don’t they d) aren’t they4. Mary can’t forget her trip to the lake, …?a) doesn’t she b) don’t she c) can’t she d) can she​

Right or wrong

1. wrong

2. Right

3. wrong

4. right

5. right

ll. Answer the questions

1. Yes, he was.

2. It was a small town near Paris.

3. Yes, he was.

lll. Complete the sentences

1. Mark Twain was traveling in France by train.

2. Mark Twain couldn’t understand why the guard hadn't woken him up.

3. When he woke up, the train was in Paris.

GRAMMAR

1. a

2. b

3. c

4. d

Mark Twain was very fond of traveling. He did a lot of traveling and never got tired of it. Once he was traveling in France by train. He was going to visit a small town near Paris.

The previous day was very hard, Mark Twain was very tired and sleepy. He was afraid he would miss the town and asked the guard to wake him up before they got to the town.

Soon he fell asleep. When he woke up, the train was in Paris. Mark Twain looked at his watch. It was half past nine. He got very angry. He couldn’t understand why the guard had not woken him up in time.

He went out of the compartment, came up to the guard and asked him why he had not woken him up. The latter looked at Mark Twain for a moment and then told him: “You may be very angry with me, but not so angry as the American whom I put off the train instead of you.”

I. Right or wrong.

1. Mark Twain was very fond of music.

2. He was going to visit a small town near London.

3. The guard woke Mark Twain up at his station.

4. Mark Twain was angry.

5. The American was put off the train instead of Mark Twain.

II. Answer the questions.

1. Was Mark Twain very fond of traveling?

2. What town was he going to visit?

3. Mark Twain was very tired and sleepy, wasn’t he?

III. Complete the sentences.

1. Mark Twain was traveling in France by .

2. Mark Twain couldn’t understand why the guard .

3. When he woke up, .

IV. Match the verbs with their Russians equivalents.

1) to travel a) понимать

2) to wake up b) путешествовать

3) to understand c) будить

4) to visit d) навещать

GRAMMAR.

1. Choose the right variant.

1. The English don’t shake hands when they meet, … ?

a) do they b) don’t they c) aren’t they d) are they

2. They try to be cheerful and good-tempered in difficult situations, …?

a) do they b) don’t they c) are they d) aren’t they

3. Many English people have fireplaces in their houses, … ?

a) have they b) didn’t they c) don’t they d) aren’t they

4. Mary can’t forget her trip to the lake, …?

a) doesn’t she b) don’t she c) can’t she d) can she

2. Add question tags to complete the sentences.

1. Country-people in Russia are rather frank and talkative, ?

2. The Welsh are considered to be emotional and cheerful, ?

3. Every Englishmen doesn’t like to miss his afternoon tea, ?

4. Many Russians waiting for service like to jump the queue, ?

3. Choose the right translation.

1. The girl was often heard to have sung the song.

a) Девочка слышала, как часто пели песню.

b) Девочка слышала, как поют песню.

Вот ответ, но только на русском:

Свойства белков  таковы:

а) Разная растворимость в воде. Растворимые белки образуют коллоидные растворы.

б) Гидролиз - под действием растворов минеральных кислот или ферментов происходит разрушение первичной структуры белка и образование смеси аминокислот.

в) Денатурация - частичное или полное разрушения пространственной структуры, присущей данной белковой молекуле. Денатурация происходит под действием:

                                     - высокой температуры

                                     - растворов кислот, щелочей и                концентрированных растворов солей

                                     - растворов солей тяжёлых металлов

                                     - некоторых органических веществ (формальдегида, фенола)

                                     - радиоактивного излучения

 1. Dmitri Mendeleev developed the concept of the periodic repetition of properties.
2. There are 8 columns in the periodic table. In each column, elements are arranged by the same properties, such as the same orbital arrangement of electrons.
3. Mendeleev predicted properties of yet undiscovered (missing) elements and left empty spaces for them in the table.
4. There are natural groupings between the elements that are closely related to each other.
5. In order to understand better these natural groupings, chemists have tried to fit the elements into a single plan.
6. John Ncwlands made one of the first attempts to fit the relationships among the elements by suggesting the Law of Octaves.