Вопрос № 238036 - Английский язык

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There are two basic 1 _______ of molecules: small molecules and macromolecules. Small molecules are in non-living matter – minerals, air, 2 _______.
Macromolecules are made from many small molecules. They 3 _______ in living matter, i.e. in plants and animals including people. Macromolecules also exist in some synthetics like polythene and 4 _______.
Macromolecules are not living matter but they combine to create cells. Cells are basic units of life.

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The 1________ Earth is not quite a sphere, but is slightly flattened. It rates around its 2_______ ones a day and around the Sun once a year.
The Earth is 3_______ by its atmosphere. It provides us with oxygen and water, protects us from harmful effects of radiation from the Sun.
The blue 4_______ of the Earth’s sky is the result of the scattering of the shorter or blue wave-spectre of light coming from the Sun by particles in the upper atmosphere, such as gas molecules and dust.

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I had a great time _______ my working holiday.

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_______ the centre of the town you can find a lot of boutiques selling nice clothes.

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A big pool _______ oil from a tanker has caused an ecological problem.

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Can I ask you how to get _______ the Barbican?