Рубрика:
127
Exercise 1. Translate the sentences into Russian paying attention to Tenses.
1. The American writer Isaak Asimov tells about wonderful computing machines
and schools of distant future.
2. In 1822 Charles Babbage created the first mechanical calculator.
3. After school Gates went on studying at Harvard University.
4. The National Physical Laboratory is now conducting experiments aimed to
recognize human speech.
5. Instructions will tell the hardware what to do and will tell the user what it has
done.
6. By 1880 manufacturing technology had improved to the point that new machines
could be produced.
7. In some years IBM publication department will be fulfilling 100% translation
demands via machines.
8. For many years, universities and colleges have been looking for ways of offering
courses to students living far from classes.
9. By the beginning of the network age Microsoft Corporation had been selling
software for individual PCs.
Exercise 2. Choose the correct form of the Predicate.
Summarize your knowledge of Present Simple or Present Continuous. Put the
verbs in brackets into the correct tense.
1. A lens (to be) a piece of glass, plastic or other transparent material curved on
one or both sides.
2. Lenses (to refract) the light rays from an object forming an image.
3. I (to use, never) my mobile phone if I (to drive).
4. The walls of the house (to absorb) heat day after day.
5. The news bulletin (to begin) at 6 p.m.
6. In spring the days (to grow) longer and the nights (to become) warmer.
7. Jack often (to go) to the theatre. On Saturday he (to go) to see a new play.
8. Electromagnetic waves (to travel) in all directions through the Universe.
9. Some people still think the sun (to go) round the earth.
Exercise 3. Summarize your knowledge of Past Simple or Past Continuous.
Choose the correct tense.
1. Keppler was inventing/invented the form of the refracting telescope.
2. British-Hungarian scientist Dennis Gabor was developing/developed the theory of
holography while he
was working/worked to improve the resolution of an electron
microscope.
3. Alexander Graham Bell was patenting/patented an optical telephone system,
which he called the Photophone, in 1880.
4. When did/was it become/becoming possible to produce holograms of high-speed
events?
5. Dr. Stephen A. Benton was inventing/invented white-light transmission
holography while he was researching/researched holographic television at
Polaroid Research laboratories.
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