ГРАММАТИКА И ЛЕКСИКА
Упражнение 1
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SIFTING THROUGH THE SANDS OF TIME
When you are on the beach, you are stepping on ancient mountains,
skeletons of marine animals, even tiny diamonds. Sand provides a
mineral treasure-trove, a record of geology's earth-changing processes.
Sand: as 1)... we play on it and as adults we relax on it. 1)CHILD
It is something we complain about when it gets in our food, and praise
when it's moulded into castles. But we don't often look at it. If we did,
we would discover an account of a geological past and a history of marine
life that 2)... back thousands and in some cases millions of 2)GO
years.
Sand covers not just sea-shores, but also ocean beds, deserts and
mountains. It is one of the 3)... substances on earth. And 3) COMMON
it is a major element that 4).... use - concrete is largely 4)MAN
sand, while glass 5).... of little else. 5)MAKE
What exactly is sand? Well, it is 6)... than fine dust. 6)LARGE
Depending on its age and origin, a particular sand can consists of tiny
pebbles or porous granules. Its shape may have the shapes of stars or
spirals, their edges jagged and smooth.
They 7).... from the erosion of rocks or from the skeletons 7)COME
Of marine organisms, which accumulate on the bottom of the oceans,
or even from volcanic eruptions.