12. Ответьте на вопросы к тексту.

1. What types of machine tools are there nowadays?

2. What are the basic operations at a workshop?

3. What is a lathe?

4. Why must tools be made of very hard steels and alloys?

5. Is the tool itself big or small?

6. What improves the accuracy of machine tools?

7. What is one of the main factors of engineering progress?

8. What forms the basis for automated workshops?

9. What is the main principle of a flexible line?

Контрольная работа 1 Вариант 2

1. Замените личные местоимения, данные в скобках, соответствующими притяжательными местоимениями. Предложения переведите.

Образец: (We) table is front of the window.

Our table is front of the window.

1. I have some notebooks and pencils in (I) brief-case.

2. Those are (we) instruments.

3. These are (they) friends.

4. This is a square. All (it) angles are right.

2. Глаголы, данные в скобках, поставьте в соответствующем лице и числе в Present и Past Indefinite. Предложения переведите.

1. Mr. Black (to be) a professor of mathematics.

2. I (to be) a student too; l (to be) a schoolboy only three months ago.

3. We all (to have) pens, pencils, rulers, and notebooks with us.

4. There (to be) many things on the teacher's table.

3. Поставьте предложения в вопросительную и отрицательную формы. Предложения переведите.

1. This is a large classroom.

2. There are some lames on the walls.

3. Mr. Black has some assistants.

4. Составьте предложения из следующих слов. Предложения переведите:

1. there, any, are, on the blackboard, figures?

1. a picture, there, over, the bookcase, is?

5. Переведите предложения.

1. This element has (несколько) important properties.

2. There is (нет) difference between these two figures.

3. My friends always go (куда-нибудь) in summer.

4. He says (ничего) about his tests.

5. (Ни один) student uses these instruments.

6. Составьте предложения из следующих слов. Предложения переведите:

1. countries, the metric system, use, most, now;

2. work, m the evening, Mr. Hall, does not, on Fridays.

7. Поставьте глаголы, данные в скобках, во времена группы Indefinite (Present, Past, Future). Предложения переведите.

1. Albert Einstein (to be) born in 1879 in Germany. When he was be (to begin) his study of mathematics and physics. Later he (to continue) his studies at the University.

2. The people of our country (to produce) a lot of geniuses such as Lomonosov, Mendeleyev, Lobachevsky and others. Now our country (to have) a great number of brilliant scientists in all fields of knowledge. Any square (to have) four right angles.

8. Переведите предложения, пользуясь словами и выражениями, данными ниже.

1. Альберт Эйнштейн был великим физиком XX столетия.

2. В течение нескольких лет Эйнштейн жил в Праге и преподавал в университете физику.

3. Его идея поразила всех ученых.

4. Сегодня любой студент технического института понимает теорию относительности.

Тo get the Nobel Prize; to make some discoveries; any technical college student; to be a great physicist of the 20th century; to study Einstein's biography; to give his life to; for a few years; to teach physics; to have an unusual ability in; to surprise all the scientists.