Номер 4, страница 135 - гдз по английскому языку 10 класс (starlight) учебник Баранова, Дули

Module 5. Modern Living. Unit 5.3 - номер 4, страница 135.

Условие.

4 RNE Read the text and complete gaps A-F with the parts of the sentences marked by numbers 1-7. One part is extra. Then translate the first two paragraphs of the text into Russian.

1 which prevents invasion by foreign bodies

2 which would be an incredible development

3 because it is a world that may not be far off

4 which will improve their fuel efficiency

5 which means an operation is necessary

6 which they can use to track the spread of the disease

7 that nanotechnology may be difficult to control

A	B	C	D	E	F

NANOTECHNOLOGY

the next big thing?

Nanotechnology, the technology of materials of microscopic size, is seen as controversial by many. This article looks at some of the benefits – and potential dangers.

Imagine a world in which kitchens clean themselves, tiny brushes clean up pollutants in water, and minute robots move through the body seeking out and destroying cancerous tissue. If all this sounds like science-fiction, you should think again, A) ..... .

In this new branch of technology these ideas are only some of the possible applications of scientific research. Scientists even hope to develop materials that will allow machines to repair themselves in much the same way that the human body does, B) ..... .

Although the idea of using microscopic robots to fight disease is still futuristic, nanotechnology is already being used by doctors. For example, magnetic nanoparticles have been given to patients suffering from certain cancers. These tiny metal balls concentrate in the body's unhealthy tissues, giving doctors a useful tool C) ..... .

Unfortunately, it is not all good news. People are already expressing concerns D) ..... . They fear the world could rapidly be reduced to grey dust as the result of some disaster involving this new technology.

Nanoparticles are so small that they are readily taken up by the body. Normally, the skin acts as a natural barrier E) ..... . However, nanoparticles are able to cross biological membranes and penetrate tissues and organs. Indeed, nanoparticles may cause DNA mutation and the destruction of cells.

Nevertheless, nanomaterials can actively benefit the environment and help in the fight against global warming. They can also be used to improve the efficiency of traditional materials. For example, a nanoparticle is being added to engines in buses in Britain F) ..... .

To conclude, then, as with most advances in technology, the message must be: 'proceed with extreme caution'.

Решение 1.

Решение 2.