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19.10.2022 18:53

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1) Many electricity- related discoveries such as the invention of the electrostatic generator classification of conductors and insulators ... by the 17th century.
a) were made
b) have been made
c) had been made
2) The 1st Tidal Power Plant (TPP) in our country using the power of seas and oceans at
the Barents sea inside the Arctic Circle for 5 years
a) was building
b) has built
c) has been built
3) After the TPP (Tidal Power Plant)
and the equipment set up it was towed by the sea, 100
km away, to be placed on the sand-gravel platform prepared by divers.
a) was constructed
b) has been constructed
c) had been constructed
4) The world's third biggest Tidal Power Plant at Swansea Bay in the UK involving the
construction of breakwater facilities by 2022.
a) will be completed;
b) will have been completed;
c) will have completed
5) Among sources of renewable energy, tidal energy
from relatively high cost and limited
availability of sites with sufficiently high ranges or flow velocities.
a) has suffered;
b) is suffered
c) have suffered
6) According to the declaration * coal's bottom line" of UN, 20 countries from Europe,
America and Africa
generating energy from coal in 10 years.
a) will stop
b) stopped
c) will have stopped
7) Some researchers and archeologists stated that ancient ceramic pot with a set of copper sheets
and a rod of iron dated 600 A.D. ... a battery, galvanic cell for electroplating or electrotherapy.
a) were
b) had been
c) have been
8) Benjamin Franklin is acknowledged as an outstanding scientist a founder of the theory of
atmospheric electricity and the inventor of a means of protecting against the disastrous effect of
lightning -the rod. Since that time he ...a great public figure.
a) has become
b)has became
c) had become
9) International group of specialists that has developed a project "Green Sahara" simulated lots
of situations. To see the risks a great deal of experiments ... before.
a) had been carried out
b) have been carried out
c) were carried out
10) Researchers from Meryland University are ready to present a project about grand works in
the Sahara . The biggest in the world desert , green area by means of wind and solar farms in 40
yeas. They are absolutely sure.
a) will be turned into
b) will turn into
c) will have been turned into