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Найдите правильный вариант ответа.
1. By now the house …
а) is being built
в) has been built
с) is building
d) has built.
2. It is very noisy. Something … here.
a) Is being built
b) Has been built
c) Is building
d) hasbuilt.
3. The letter … yesterday.
a) Has written
b) Has been written
c) Was written
d) Had been written
4. Newspapers today… only in the evening.
a) Are brought
b) Will be brought
c) Have brought
d) Are being brought.
5. Timber is known … the cheapest and predominant material used for mine support.
a) To be
b) being,
c) having been
d) have been.
6. We expect comprehensive investigation and the study of the configuration of the underlying seam by prospecting and boring …essential for the detailed planning of the mining developments.
a) being
b) tobe
c) having been
d) has been.
7. The position of the shafts appeared …upon both underground and surface factors.
a) Being depended
b) To be depended
c) depending
d) depends
8. We believed this method …to mine deposits that are thick and lie near the surface.
a) To be applied
b) applying
c) having applied
d) had applied
9. Drilling is considered …the principal exploration method.
a) Having been
b) being
c) tobe
d) to be being.
10. Rocks of the Earth’s crust … into three main groups.
a) Are dividing
b) Are divided
c) Are being divided
d) Have divided.
11. Gravel, sand and clay … unconsolidated mechanical sediments.
a) Are calling
b) Are being called
c) Have called
d) Are called.
12. Organic sediments …by the action of decay.
a) Are forming
b) Have formed
c) Have been formed
d) Were been formed.
13. Rocks … to weathering.
a) Have subjected
b) Has been subjected
c) Had been subjected
d) Are subjected.
14. The geologist has to know what succession of strata is likely …penetrated.
a) being
b) to be
c) having been
d) to have
15. … a wide range of geological, chemical, physical and biological tests on the rocks, scientists returned to the Earth.
a) conducting
b) being conducted
c) having conducted
d) having been conducted.
16. We know science …an important part in discovery of coal and other mineral deposits.
a) To play
b) playing
c) being played
d) to have been played.
17. Coal seams are found in sedimentary formations mainly …of sandstones and shales.
a) consist
b) consisted
c) consisting
d) are consisting.
18. Lomonosov is considered …the first to point out that rocks and minerals under go constant changes.
a) being
b) to be
c) have been
d) having.
19. We expect the coal field…brown coal with an ash content of about 45 per cent.
a) toproduce
b) producing
c) produced
d) to be produced.
20. We didn`t expect the swamps in this area …so abundant.
a) being
b) to be
c) have been
d) having.
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