Английский язык. I курс. - 22 стр.

                                           Вариант 2

      I. Перепишите следующие предложения, определите в каждом из них
видовременную форму и залог глагола-сказуемого. Переведите предложения на русский
язык.
      1. When much had been done in the study of ecology by our institute it became an
important scientific centre. 2. The research of planets will be developed with the help of cosmic
apparatus. 3. This material is unaffected by solar radiation. 4. Several new office buildings have
been constructed in the town lately.

       II. Перепишите следующие предложения и переведите их на русский язык,
обращая внимание на разные значения слов it, that, one.
       1. It is necessary to find new sources of cheap energy. 2. It was Einstein who came to the
conclusion that the electromagnetic field is influenced by the gravitational field. 3. This metro
station was opened last year and that one will be put into operation in two years.

       III. Перепишите предложения и переведите их на русский язык, обращая внимание
на разные значения глаголов to be, to have, to do.
       1. Man had to learn to obtain electric power directly from the Sun. 2. At present most of
the industrial enterprises have their own electric power stations. 3. Specialists do not use solar
cells in industry as they are too expensive. 4. The engineers are to study the problem of using
cosmic rays.
       IV. Перепишите следующие предложения и переведите их на русский язык,
обращая внимание на бессоюзное подчинение.
       1. The methods we have just described are very effective. 2. The instruments our plant
produces help to automate production processes.

       V. Перепишите следующие предложения и переведите их на русский язык,
обращая внимание на функцию инфинитива.
       1. To translate a sentence is to discover its meaning. 2. The teacher told her students to
learn the poem by heart.


      VI. Прочитайте и письменно переведите текст.

                                             X - Rays

       Have you ever thought about the time when there was no radio, when flying was a dream,
and cinema was only one year old? It was the time when the first motor cars had just appeared.
It was in 1895 when a German professor Wilhelm Konrad Roentgen discovered a new kind of
invisible rays. These rays could pass through clothes, skin and flesh. You can imagine the
impression this announcement produced at that time.
       Let us see how Roentgen came to disvover these all - penetrating rays. He had discovered
that if he put two electric wires in a glass tube, connected the wires to opposite electric poles, a
stream of electric particles would emerge out of the cathode. These cathode rays made certain
chemical glow ( свечение ) in the dark. One day Roentgen was working in his darkened
laboratory. He put glass tube in a box made of thin black cardboard and switched on the current