Progress Test 16. Use of English. В2

Much emphasis … upon electrical demonstrations to be performed by the instructor before student groups.

It … our Earth 🌍 365 days to revolve around the Sun ☀️.

It … nature millions of years to make coal and oil.

The author always … to the additional literature on every subject of interest to the reader.

Venus … formerly … to be slightly larger than the Earth, but this is not the case.

Water … salt.

This phenomenon … on the average about once in 10 years.

Beta - rays are … more penetrating than alpha-rays.

The life on other planets, if it exists at all, is not like … .

Examples … the production of electric charge are familiar to everyone.

Heat was once considered as … a fluid.

The Earth circles around the Sun … eight other sizable planets.

Naturally … types of energy are those available without any action on the part of man.

Einstein’s theory of light … to account for the photoelectric effect.

The Curies were able to calculate that within the space of 1600 years half of any … quantity of radium disappears, to be more accurate, half of its matter turns into radiation.

The first manned space flight is an indication that our medical scientists … in this field have been following a correct road which promises further success.

The moon … atmosphere and water.

Speculation about how the mind … is as old as physics itself.

… the wrong direction, the travellers soon lost their way.

The room … the garden is much more comfortable than this one.

On … the news 📰, he turned pale.

Annie likes … at because she considers she is so beautiful.

I am proud of … her student.

The men … potatoes are my neighbours.