1. a passport
2.a boarding card
3.a visa
4.a ticket

а a card which a passenger must have when boarding a plane or a boat

б a printed or written statement of the money owed for goods or services

в a piece of paper or card that gives the holder a certain right, especially to enter a place, travel by public transport, or participate in an event

г an endorsement on a passport indicating that the holder is allowed to enter, leave, or stay for a specified period of time in a country

д an official document issued by a government, certifying the holder's identity and citizenship and allowing them to travel under its protection to and from foreign countries

2.

1.i gave him my address and

2.we gave them our presents and

3.he gave you his pencil and

4.they gave me their books and

а they gave us theirs.

б he gave me his.

в you gave him yours.

г i gave you hers.

д i gave them mine.

be ready for everything while travelling because (for example) some of the older telephones still only accept

medals

counters

boxes

tokens

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