the THIS 10. Rewrite the sentences from active to passive and vice versa. n Active Passive a 1. Charles Francis Jenkins invented the first film projector in the early 1890s. The first film projector was invented by Charles Francis Jenkins in the early 1890s. a a films in five 2. They stages. Films are created in five stages. 3. They will make a film next month. A film next month. 4. They auditions to choose talented actors and actresses. Auditions are held to choose talented actors and actresses. 5. An American screenwriter, Paul Schrader wrote a screenplay for Taxi Driver in five days. The screenplay for Taxi Driver by an American screenwriter, Paul Schrader in five days. 6. A composer new music for the film. New music for the film is created by a composer. A screenplay for the film 7. She will write a screenplay for the film.
1)Building materials are divided into natural (natural) and artificial(Строительные материалы разделяют на природные (естественные) и искусственные)
2)Не смогу сказать.
3)metals are divided into two groups: ferrous and non-ferrous(металлы делятся на две группы: черные и цветные)
4)Ferrous metals are those that contain steel and iron.Non-ferrous metals do not contain steel or iron. This group of metals includes: aluminum and copper, Nickel and lead, zinc and tin, brass and gold, silver and platinum, as well as many others that do not contain iron.(Чёрными называются те металлы, которые содержат сталь и железо.Цветные металлы не содержат стали и железа. К данной группе металлов относятся: алюминий и медь, никель и свинец, цинк и олово, латунь и золото, серебро и платина, а так же многие другие, не содержащие железо.)
1) The properties of building and materials are classified into four groups: physical, mechanical, chemical, technological, etc.
2) Resistance to salt aggression and other chemicals (wood)
An important advantage of natural stone is strength, durability, resistance to environmental influences, frost resistance (stone)
Strength; reliability; versatility; combination with other materials (metal)
3) All metals are divided into two groups: ferrous and non-ferrous
4) Ferrous metals and alloys contain iron, non-ferrous metals do not. Ferrous metals are mild steel, carbon steel, stainless steel, cast iron and wrought iron. ... Since they do not contain iron, non-ferrous metals have a higher resistance to corrosion and rust.
Объяснение: just decided