Put the verb in brackets into the Past Simple.

Date: 2015-10-07; view: 379.

Put all possible questions to the following statements.

For example: Sir William Crookes developed the first cathode ray tube in 1870.

· Did Sir William Crookes develop the first cathode ray tube in 1870?

· When did Sir William Crookes develop the first cathode ray tube ?

· Who developed the first cathode ray tube in 1870 ?

· What did Sir William Crookes develop in 1870?

1. Electricity became a necessity of everyday life in the 20^th century.

2. The first real calculating machine appeared in 1820.

3. We tested the new equipment in the lab yesterday.

4. A prototype solar-powered plane made its first full test flight in Switzerland.

5. UK researchers developed a device to drag space junk out of orbit.

1. Alex (to carry out) the experiment yesterday.

2. The student (to measure) the temperature of water 5 minutes ago.

3. Sir Isaak Newton (to develop) the Three Laws of Motion.

4. In ancient times the systematic study of fundamental natural laws (to be) not a huge concern.

5. Michael (to check) this device last week.

6. The farm (to be) very isolated, but it (to have) electricity.

7. Faraday (to invent) the electric motor in 1821.

8. Practical applications for electricity however (to remain) few, and only in the late nineteenth century engineers (to be) to put it to industrial and residential use.

9. The rapid expansion in electrical technology at that time (to transform) industry and society.

10. In 1600 the English physician William Gilbert (to make) a careful study of electricity and magnetism.

7.Form nouns from the following adjectives using the suffix –ity and translate them:

For example:able – способный; ability – способность

possible – возможный; …

stable – стабильный; …

intensive – интенсивный; …

major – больший; …

minor – меньший; …

resistive – имеющий сопротивление; …

radioactive – радиоактивный; …

elastic – эластичный; …